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 */
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_Div_left(node));
256 return get_irn_mode(get_Mod_left(node));
258 return get_irn_mode(get_Cmp_left(node));
260 return get_irn_mode(node);
265 * Walker, prepare the node links and determine which nodes need to be lowered
268 static void prepare_links(lower_env_t *env, ir_node *node)
270 ir_mode *mode = get_irn_op_mode(node);
274 if (mode == env->high_signed || mode == env->high_unsigned) {
275 unsigned idx = get_irn_idx(node);
276 /* ok, found a node that will be lowered */
277 link = OALLOCZ(&env->obst, node_entry_t);
279 if (idx >= env->n_entries) {
280 /* enlarge: this happens only for Rotl nodes which is RARELY */
281 unsigned old = env->n_entries;
282 unsigned n_idx = idx + (idx >> 3);
284 ARR_RESIZE(node_entry_t *, env->entries, n_idx);
285 memset(&env->entries[old], 0, (n_idx - old) * sizeof(env->entries[0]));
286 env->n_entries = n_idx;
288 env->entries[idx] = link;
289 env->flags |= MUST_BE_LOWERED;
290 } else if (is_Conv(node)) {
291 /* Conv nodes have two modes */
292 ir_node *pred = get_Conv_op(node);
293 mode = get_irn_mode(pred);
295 if (mode == env->high_signed || mode == env->high_unsigned) {
296 /* must lower this node either but don't need a link */
297 env->flags |= MUST_BE_LOWERED;
303 /* link all Proj nodes to its predecessor:
304 Note that Tuple Proj's and its Projs are linked either. */
305 ir_node *pred = get_Proj_pred(node);
307 set_irn_link(node, get_irn_link(pred));
308 set_irn_link(pred, node);
309 } else if (is_Phi(node)) {
310 /* link all Phi nodes to its block */
311 ir_node *block = get_nodes_block(node);
312 add_Block_phi(block, node);
313 } else if (is_Block(node)) {
314 /* fill the Proj -> Block map */
315 for (i = get_Block_n_cfgpreds(node) - 1; i >= 0; --i) {
316 ir_node *pred = get_Block_cfgpred(node, i);
319 pmap_insert(env->proj_2_block, pred, node);
324 static node_entry_t *get_node_entry(lower_env_t *env, ir_node *node)
326 unsigned idx = get_irn_idx(node);
327 assert(idx < env->n_entries);
328 return env->entries[idx];
331 static void set_lowered(lower_env_t *env, ir_node *old,
332 ir_node *new_low, ir_node *new_high)
334 node_entry_t *entry = get_node_entry(env, old);
335 entry->low_word = new_low;
336 entry->high_word = new_high;
340 * Translate a Constant: create two.
342 static void lower_Const(ir_node *node, ir_mode *mode, lower_env_t *env)
344 ir_graph *irg = get_irn_irg(node);
345 dbg_info *dbg = get_irn_dbg_info(node);
346 ir_mode *low_mode = env->low_unsigned;
347 ir_tarval *tv = get_Const_tarval(node);
348 ir_tarval *tv_l = tarval_convert_to(tv, low_mode);
349 ir_node *res_low = new_rd_Const(dbg, irg, tv_l);
350 ir_tarval *tv_shrs = tarval_shrs(tv, env->tv_mode_bits);
351 ir_tarval *tv_h = tarval_convert_to(tv_shrs, mode);
352 ir_node *res_high = new_rd_Const(dbg, irg, tv_h);
354 set_lowered(env, node, res_low, res_high);
358 * Translate a Load: create two.
360 static void lower_Load(ir_node *node, ir_mode *mode, lower_env_t *env)
362 ir_mode *low_mode = env->low_unsigned;
363 ir_graph *irg = get_irn_irg(node);
364 ir_node *adr = get_Load_ptr(node);
365 ir_node *mem = get_Load_mem(node);
366 ir_node *low, *high, *proj;
368 ir_node *block = get_nodes_block(node);
369 ir_cons_flags volatility = get_Load_volatility(node) == volatility_is_volatile
370 ? cons_volatile : cons_none;
372 if (env->params->little_endian) {
374 high = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
376 low = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
380 /* create two loads */
381 dbg = get_irn_dbg_info(node);
382 low = new_rd_Load(dbg, block, mem, low, low_mode, volatility);
383 proj = new_r_Proj(low, mode_M, pn_Load_M);
384 high = new_rd_Load(dbg, block, proj, high, mode, volatility);
386 set_lowered(env, node, low, high);
388 for (proj = (ir_node*)get_irn_link(node); proj;
389 proj = (ir_node*)get_irn_link(proj)) {
390 switch (get_Proj_proj(proj)) {
391 case pn_Load_M: /* Memory result. */
392 /* put it to the second one */
393 set_Proj_pred(proj, high);
395 case pn_Load_X_except: /* Execution result if exception occurred. */
396 /* put it to the first one */
397 set_Proj_pred(proj, low);
399 case pn_Load_res: { /* Result of load operation. */
400 ir_node *res_low = new_r_Proj(low, low_mode, pn_Load_res);
401 ir_node *res_high = new_r_Proj(high, mode, pn_Load_res);
402 set_lowered(env, proj, res_low, res_high);
406 assert(0 && "unexpected Proj number");
408 /* mark this proj: we have handled it already, otherwise we might fall
409 * into out new nodes. */
410 mark_irn_visited(proj);
415 * Translate a Store: create two.
417 static void lower_Store(ir_node *node, ir_mode *mode, lower_env_t *env)
420 ir_node *block, *adr, *mem;
421 ir_node *low, *high, *proj;
423 ir_node *value = get_Store_value(node);
424 const node_entry_t *entry = get_node_entry(env, value);
425 ir_cons_flags volatility = get_Store_volatility(node) == volatility_is_volatile
426 ? cons_volatile : cons_none;
431 if (! entry->low_word) {
432 /* not ready yet, wait */
433 pdeq_putr(env->waitq, node);
437 irg = get_irn_irg(node);
438 adr = get_Store_ptr(node);
439 mem = get_Store_mem(node);
440 block = get_nodes_block(node);
442 if (env->params->little_endian) {
444 high = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
446 low = new_r_Add(block, adr, new_r_Const(irg, env->tv_mode_bytes), get_irn_mode(adr));
450 /* create two Stores */
451 dbg = get_irn_dbg_info(node);
452 low = new_rd_Store(dbg, block, mem, low, entry->low_word, volatility);
453 proj = new_r_Proj(low, mode_M, pn_Store_M);
454 high = new_rd_Store(dbg, block, proj, high, entry->high_word, volatility);
456 set_lowered(env, node, low, high);
458 for (proj = (ir_node*)get_irn_link(node); proj;
459 proj = (ir_node*)get_irn_link(proj)) {
460 switch (get_Proj_proj(proj)) {
461 case pn_Store_M: /* Memory result. */
462 /* put it to the second one */
463 set_Proj_pred(proj, high);
465 case pn_Store_X_except: /* Execution result if exception occurred. */
466 /* put it to the first one */
467 set_Proj_pred(proj, low);
470 assert(0 && "unexpected Proj number");
472 /* mark this proj: we have handled it already, otherwise we might fall into
474 mark_irn_visited(proj);
479 * Return a node containing the address of the intrinsic emulation function.
481 * @param method the method type of the emulation function
482 * @param op the emulated ir_op
483 * @param imode the input mode of the emulated opcode
484 * @param omode the output mode of the emulated opcode
485 * @param env the lower environment
487 static ir_node *get_intrinsic_address(ir_type *method, ir_op *op,
488 ir_mode *imode, ir_mode *omode,
493 op_mode_entry_t key, *entry;
500 entry = (op_mode_entry_t*)set_insert(intrinsic_fkt, &key, sizeof(key),
501 HASH_PTR(op) ^ HASH_PTR(imode) ^ (HASH_PTR(omode) << 8));
503 /* create a new one */
504 ent = env->params->create_intrinsic(method, op, imode, omode, env->params->ctx);
506 assert(ent && "Intrinsic creator must return an entity");
512 return new_r_SymConst(env->irg, mode_P_code, sym, symconst_addr_ent);
518 * Create an intrinsic Call.
520 static void lower_Div(ir_node *node, ir_mode *mode, lower_env_t *env)
522 ir_node *left = get_Div_left(node);
523 ir_node *right = get_Div_right(node);
524 const node_entry_t *left_entry = get_node_entry(env, left);
525 const node_entry_t *right_entry = get_node_entry(env, right);
526 ir_node *block = get_nodes_block(node);
527 dbg_info *dbgi = get_irn_dbg_info(node);
529 = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
530 ir_mode *opmode = get_irn_op_mode(node);
532 = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, env);
534 left_entry->low_word, left_entry->high_word,
535 right_entry->low_word, right_entry->high_word };
537 = new_rd_Call(dbgi, block, get_Div_mem(node), addr, 4, in, mtp);
538 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
541 set_irn_pinned(call, get_irn_pinned(node));
543 for (proj = (ir_node*)get_irn_link(node); proj;
544 proj = (ir_node*)get_irn_link(proj)) {
545 switch (get_Proj_proj(proj)) {
546 case pn_Div_M: /* Memory result. */
547 /* reroute to the call */
548 set_Proj_pred(proj, call);
549 set_Proj_proj(proj, pn_Call_M);
551 case pn_Div_X_except: /* Execution result if exception occurred. */
552 /* reroute to the call */
553 set_Proj_pred(proj, call);
554 set_Proj_proj(proj, pn_Call_X_except);
557 /* Result of computation. */
558 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
559 ir_node *res_high = new_r_Proj(resproj, mode, 1);
560 set_lowered(env, proj, res_low, res_high);
564 assert(0 && "unexpected Proj number");
566 /* mark this proj: we have handled it already, otherwise we might fall into
568 mark_irn_visited(proj);
575 * Create an intrinsic Call.
577 static void lower_Mod(ir_node *node, ir_mode *mode, lower_env_t *env)
579 ir_node *left = get_Mod_left(node);
580 ir_node *right = get_Mod_right(node);
581 const node_entry_t *left_entry = get_node_entry(env, left);
582 const node_entry_t *right_entry = get_node_entry(env, right);
584 left_entry->low_word, left_entry->high_word,
585 right_entry->low_word, right_entry->high_word
587 dbg_info *dbgi = get_irn_dbg_info(node);
588 ir_node *block = get_nodes_block(node);
590 = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
591 ir_mode *opmode = get_irn_op_mode(node);
593 = get_intrinsic_address(mtp, get_irn_op(node), opmode, opmode, env);
595 = new_rd_Call(dbgi, block, get_Mod_mem(node), addr, 4, in, mtp);
596 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
598 set_irn_pinned(call, get_irn_pinned(node));
600 for (proj = (ir_node*)get_irn_link(node); proj;
601 proj = (ir_node*)get_irn_link(proj)) {
602 switch (get_Proj_proj(proj)) {
603 case pn_Mod_M: /* Memory result. */
604 /* reroute to the call */
605 set_Proj_pred(proj, call);
606 set_Proj_proj(proj, pn_Call_M);
608 case pn_Mod_X_except: /* Execution result if exception occurred. */
609 /* reroute to the call */
610 set_Proj_pred(proj, call);
611 set_Proj_proj(proj, pn_Call_X_except);
614 /* Result of computation. */
615 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
616 ir_node *res_high = new_r_Proj(resproj, mode, 1);
617 set_lowered(env, proj, res_low, res_high);
621 assert(0 && "unexpected Proj number");
623 /* mark this proj: we have handled it already, otherwise we might fall
624 * into out new nodes. */
625 mark_irn_visited(proj);
632 * Create an intrinsic Call.
634 static void lower_binop(ir_node *node, ir_mode *mode, lower_env_t *env)
636 ir_node *left = get_binop_left(node);
637 ir_node *right = get_binop_right(node);
638 const node_entry_t *left_entry = get_node_entry(env, left);
639 const node_entry_t *right_entry = get_node_entry(env, right);
641 left_entry->low_word, left_entry->high_word,
642 right_entry->low_word, right_entry->high_word
644 dbg_info *dbgi = get_irn_dbg_info(node);
645 ir_node *block = get_nodes_block(node);
646 ir_graph *irg = get_irn_irg(block);
648 = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
650 = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
652 = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 4, in, mtp);
653 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
654 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
655 ir_node *res_high = new_r_Proj(resproj, mode, 1);
656 set_irn_pinned(call, get_irn_pinned(node));
657 set_lowered(env, node, res_low, res_high);
661 * Translate a Shiftop.
663 * Create an intrinsic Call.
665 static void lower_Shiftop(ir_node *node, ir_mode *mode, lower_env_t *env)
667 ir_node *block = get_nodes_block(node);
668 ir_node *left = get_binop_left(node);
669 const node_entry_t *left_entry = get_node_entry(env, left);
670 ir_node *right = get_binop_right(node);
672 left_entry->low_word, left_entry->high_word,
673 /* it should be safe to conv to low_unsigned */
674 new_r_Conv(block, right, env->low_unsigned)
676 dbg_info *dbgi = get_irn_dbg_info(node);
677 ir_graph *irg = get_irn_irg(block);
679 = mode_is_signed(mode) ? shiftop_tp_s : shiftop_tp_u;
681 = get_intrinsic_address(mtp, get_irn_op(node), mode, mode, env);
683 = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 3, in, mtp);
684 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
685 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
686 ir_node *res_high = new_r_Proj(resproj, mode, 1);
688 set_irn_pinned(call, get_irn_pinned(node));
689 set_lowered(env, node, res_low, res_high);
693 * Translate a Shr and handle special cases.
695 static void lower_Shr(ir_node *node, ir_mode *mode, lower_env_t *env)
697 ir_graph *irg = get_irn_irg(node);
698 ir_node *right = get_Shr_right(node);
700 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
701 ir_tarval *tv = get_Const_tarval(right);
703 if (tarval_is_long(tv) &&
704 get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) {
705 ir_node *block = get_nodes_block(node);
706 ir_node *left = get_Shr_left(node);
707 ir_mode *low_unsigned = env->low_unsigned;
708 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
709 const node_entry_t *left_entry = get_node_entry(env, left);
713 left = left_entry->high_word;
715 /* convert high word into low_unsigned mode if necessary */
716 if (get_irn_mode(left) != low_unsigned)
717 left = new_r_Conv(block, left, low_unsigned);
720 ir_node *c = new_r_Const_long(irg, low_unsigned, shf_cnt);
721 res_low = new_r_Shr(block, left, c, low_unsigned);
725 res_high = new_r_Const(irg, get_mode_null(mode));
726 set_lowered(env, node, res_low, res_high);
731 lower_Shiftop(node, mode, env);
735 * Translate a Shl and handle special cases.
737 static void lower_Shl(ir_node *node, ir_mode *mode, lower_env_t *env)
739 ir_graph *irg = get_irn_irg(node);
740 ir_node *right = get_Shl_right(node);
742 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
743 ir_tarval *tv = get_Const_tarval(right);
745 if (tarval_is_long(tv)) {
746 long value = get_tarval_long(tv);
747 if (value >= (long)get_mode_size_bits(mode)) {
748 /* simple case: shift above the lower word */
750 ir_node *block = get_nodes_block(node);
751 ir_node *left = get_Shl_left(node);
753 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
754 const node_entry_t *left_entry = get_node_entry(env, left);
758 left = left_entry->low_word;
759 left = new_r_Conv(block, left, mode);
761 mode_l = env->low_unsigned;
763 c = new_r_Const_long(irg, mode_l, shf_cnt);
764 res_high = new_r_Shl(block, left, c, mode);
768 res_low = new_r_Const(irg, get_mode_null(mode_l));
769 set_lowered(env, node, res_low, res_high);
774 /* left << 1 == left + left */
775 ir_node *left = get_binop_left(node);
776 const node_entry_t *left_entry = get_node_entry(env, left);
778 left_entry->low_word, left_entry->high_word,
779 left_entry->low_word, left_entry->high_word,
781 dbg_info *dbgi = get_irn_dbg_info(node);
782 ir_node *block = get_nodes_block(node);
783 ir_graph *irg = get_irn_irg(block);
785 = mode_is_signed(mode) ? binop_tp_s : binop_tp_u;
787 = get_intrinsic_address(mtp, op_Add, mode, mode, env);
789 = new_rd_Call(dbgi, block, get_irg_no_mem(irg), addr, 4, in, mtp);
790 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
791 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
792 ir_node *res_high = new_r_Proj(resproj, mode, 1);
793 set_irn_pinned(call, get_irn_pinned(node));
794 set_lowered(env, node, res_low, res_high);
800 lower_Shiftop(node, mode, env);
804 * Translate a Shrs and handle special cases.
806 static void lower_Shrs(ir_node *node, ir_mode *mode, lower_env_t *env)
808 ir_graph *irg = get_irn_irg(node);
809 ir_node *right = get_Shrs_right(node);
811 if (get_mode_arithmetic(mode) == irma_twos_complement && is_Const(right)) {
812 ir_tarval *tv = get_Const_tarval(right);
814 if (tarval_is_long(tv) &&
815 get_tarval_long(tv) >= (long)get_mode_size_bits(mode)) {
816 ir_node *block = get_nodes_block(node);
817 ir_node *left = get_Shrs_left(node);
818 ir_mode *low_unsigned = env->low_unsigned;
819 long shf_cnt = get_tarval_long(tv) - get_mode_size_bits(mode);
820 const node_entry_t *left_entry = get_node_entry(env, left);
821 ir_node *left_unsigned = left;
826 left = left_entry->high_word;
828 /* convert high word into low_unsigned mode if necessary */
829 if (get_irn_mode(left_unsigned) != low_unsigned)
830 left_unsigned = new_r_Conv(block, left, low_unsigned);
833 c = new_r_Const_long(irg, low_unsigned, shf_cnt);
834 res_low = new_r_Shrs(block, left_unsigned, c, low_unsigned);
836 res_low = left_unsigned;
839 c = new_r_Const(irg, get_mode_all_one(low_unsigned));
840 res_high = new_r_Shrs(block, left, c, mode);
841 set_lowered(env, node, res_low, res_high);
845 lower_Shiftop(node, mode, env);
849 * Rebuild Rotl nodes into Or(Shl, Shr) and prepare all nodes.
851 static void prepare_links_and_handle_rotl(ir_node *node, void *env)
853 lower_env_t *lenv = (lower_env_t*)env;
856 ir_mode *mode = get_irn_op_mode(node);
858 ir_node *left, *shl, *shr, *ornode, *block, *sub, *c;
859 ir_mode *omode, *rmode;
862 optimization_state_t state;
864 if (mode != lenv->high_signed && mode != lenv->high_unsigned) {
865 prepare_links(lenv, node);
869 /* replace the Rotl(x,y) by an Or(Shl(x,y), Shr(x,64-y)) */
870 right = get_Rotl_right(node);
871 irg = get_irn_irg(node);
872 dbg = get_irn_dbg_info(node);
873 omode = get_irn_mode(node);
874 left = get_Rotl_left(node);
875 block = get_nodes_block(node);
876 shl = new_rd_Shl(dbg, block, left, right, omode);
877 rmode = get_irn_mode(right);
878 c = new_r_Const_long(irg, rmode, get_mode_size_bits(omode));
879 sub = new_rd_Sub(dbg, block, c, right, rmode);
880 shr = new_rd_Shr(dbg, block, left, sub, omode);
882 /* switch optimization off here, or we will get the Rotl back */
883 save_optimization_state(&state);
884 set_opt_algebraic_simplification(0);
885 ornode = new_rd_Or(dbg, block, shl, shr, omode);
886 restore_optimization_state(&state);
888 exchange(node, ornode);
890 /* do lowering on the new nodes */
891 prepare_links(lenv, shl);
892 prepare_links(lenv, c);
893 prepare_links(lenv, sub);
894 prepare_links(lenv, shr);
895 prepare_links(lenv, ornode);
899 prepare_links(lenv, node);
905 * Create an intrinsic Call.
907 static void lower_Unop(ir_node *node, ir_mode *mode, lower_env_t *env)
909 ir_node *op = get_unop_op(node);
910 const node_entry_t *op_entry = get_node_entry(env, op);
911 ir_node *in[2] = { op_entry->low_word, op_entry->high_word };
912 dbg_info *dbgi = get_irn_dbg_info(node);
913 ir_node *block = get_nodes_block(node);
914 ir_graph *irg = get_irn_irg(block);
915 ir_type *mtp = mode_is_signed(mode) ? unop_tp_s : unop_tp_u;
916 ir_op *irop = get_irn_op(node);
917 ir_node *addr = get_intrinsic_address(mtp, irop, mode, mode, env);
918 ir_node *nomem = get_irg_no_mem(irg);
919 ir_node *call = new_rd_Call(dbgi, block, nomem, addr, 2, in, mtp);
920 ir_node *resproj = new_r_Proj(call, mode_T, pn_Call_T_result);
921 ir_node *res_low = new_r_Proj(resproj, env->low_unsigned, 0);
922 ir_node *res_high = new_r_Proj(resproj, mode, 1);
923 set_irn_pinned(call, get_irn_pinned(node));
924 set_lowered(env, node, res_low, res_high);
928 * Translate a logical binop.
930 * Create two logical binops.
932 static void lower_binop_logical(ir_node *node, ir_mode *mode, lower_env_t *env,
933 ir_node *(*constr_rd)(dbg_info *db, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) )
935 ir_node *left = get_binop_left(node);
936 ir_node *right = get_binop_right(node);
937 const node_entry_t *left_entry = get_node_entry(env, left);
938 const node_entry_t *right_entry = get_node_entry(env, right);
939 dbg_info *dbgi = get_irn_dbg_info(node);
940 ir_node *block = get_nodes_block(node);
942 = constr_rd(dbgi, block, left_entry->low_word, right_entry->low_word,
945 = constr_rd(dbgi, block, left_entry->high_word, right_entry->high_word,
947 set_lowered(env, node, res_low, res_high);
950 static void lower_And(ir_node *node, ir_mode *mode, lower_env_t *env)
952 lower_binop_logical(node, mode, env, new_rd_And);
955 static void lower_Or(ir_node *node, ir_mode *mode, lower_env_t *env)
957 lower_binop_logical(node, mode, env, new_rd_Or);
960 static void lower_Eor(ir_node *node, ir_mode *mode, lower_env_t *env)
962 lower_binop_logical(node, mode, env, new_rd_Eor);
968 * Create two logical Nots.
970 static void lower_Not(ir_node *node, ir_mode *mode, lower_env_t *env)
972 ir_node *op = get_Not_op(node);
973 const node_entry_t *op_entry = get_node_entry(env, op);
974 dbg_info *dbgi = get_irn_dbg_info(node);
975 ir_node *block = get_nodes_block(node);
977 = new_rd_Not(dbgi, block, op_entry->low_word, env->low_unsigned);
979 = new_rd_Not(dbgi, block, op_entry->high_word, mode);
980 set_lowered(env, node, res_low, res_high);
986 static void lower_Cond(ir_node *node, ir_mode *mode, lower_env_t *env)
988 ir_node *left, *right, *block;
989 ir_node *sel = get_Cond_selector(node);
990 ir_mode *m = get_irn_mode(sel);
992 const node_entry_t *lentry, *rentry;
993 ir_node *proj, *projT = NULL, *projF = NULL;
994 ir_node *new_bl, *irn;
995 ir_node *projHF, *projHT;
997 ir_relation relation;
1004 if (m == env->high_signed || m == env->high_unsigned) {
1005 /* bad we can't really handle Switch with 64bit offsets */
1006 panic("Cond with 64bit jumptable not supported");
1014 left = get_Cmp_left(sel);
1015 cmp_mode = get_irn_mode(left);
1016 if (cmp_mode != env->high_signed && cmp_mode != env->high_unsigned)
1019 right = get_Cmp_right(sel);
1020 lentry = get_node_entry(env, left);
1021 rentry = get_node_entry(env, right);
1023 /* all right, build the code */
1024 for (proj = (ir_node*)get_irn_link(node); proj;
1025 proj = (ir_node*)get_irn_link(proj)) {
1026 long proj_nr = get_Proj_proj(proj);
1028 if (proj_nr == pn_Cond_true) {
1029 assert(projT == NULL && "more than one Proj(true)");
1032 assert(proj_nr == pn_Cond_false);
1033 assert(projF == NULL && "more than one Proj(false)");
1036 mark_irn_visited(proj);
1038 assert(projT && projF);
1040 /* create a new high compare */
1041 block = get_nodes_block(node);
1042 irg = get_Block_irg(block);
1043 dbg = get_irn_dbg_info(sel);
1044 relation = get_Cmp_relation(sel);
1046 if (is_Const(right) && is_Const_null(right)) {
1047 if (relation == ir_relation_equal || relation == ir_relation_less_greater) {
1048 /* x ==/!= 0 ==> or(low,high) ==/!= 0 */
1049 ir_mode *mode = env->low_unsigned;
1050 ir_node *low = new_r_Conv(block, lentry->low_word, mode);
1051 ir_node *high = new_r_Conv(block, lentry->high_word, mode);
1052 ir_node *ornode = new_rd_Or(dbg, block, low, high, mode);
1053 ir_node *cmp = new_rd_Cmp(dbg, block, ornode, new_r_Const_long(irg, mode, 0), relation);
1054 set_Cond_selector(node, cmp);
1059 if (relation == ir_relation_equal) {
1060 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
1061 pmap_entry *entry = pmap_find(env->proj_2_block, projF);
1064 dst_blk = (ir_node*)entry->value;
1066 irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1068 dbg = get_irn_dbg_info(node);
1069 irn = new_rd_Cond(dbg, block, irn);
1071 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1072 mark_irn_visited(projHF);
1073 exchange(projF, projHF);
1075 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1076 mark_irn_visited(projHT);
1078 new_bl = new_r_Block(irg, 1, &projHT);
1080 dbg = get_irn_dbg_info(sel);
1081 irn = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word,
1083 dbg = get_irn_dbg_info(node);
1084 irn = new_rd_Cond(dbg, new_bl, irn);
1086 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1087 mark_irn_visited(proj);
1088 add_block_cf_input(dst_blk, projHF, proj);
1090 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1091 mark_irn_visited(proj);
1092 exchange(projT, proj);
1093 } else if (relation == ir_relation_less_greater) {
1094 /* simple case:a != b <==> a_h != b_h || a_l != b_l */
1095 pmap_entry *entry = pmap_find(env->proj_2_block, projT);
1098 dst_blk = (ir_node*)entry->value;
1100 irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1101 ir_relation_less_greater);
1102 dbg = get_irn_dbg_info(node);
1103 irn = new_rd_Cond(dbg, block, irn);
1105 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1106 mark_irn_visited(projHT);
1107 exchange(projT, projHT);
1109 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1110 mark_irn_visited(projHF);
1112 new_bl = new_r_Block(irg, 1, &projHF);
1114 dbg = get_irn_dbg_info(sel);
1115 irn = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word,
1116 ir_relation_less_greater);
1117 dbg = get_irn_dbg_info(node);
1118 irn = new_rd_Cond(dbg, new_bl, irn);
1120 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1121 mark_irn_visited(proj);
1122 add_block_cf_input(dst_blk, projHT, proj);
1124 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1125 mark_irn_visited(proj);
1126 exchange(projF, proj);
1128 /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
1129 ir_node *dstT, *dstF, *newbl_eq, *newbl_l;
1132 entry = pmap_find(env->proj_2_block, projT);
1134 dstT = (ir_node*)entry->value;
1136 entry = pmap_find(env->proj_2_block, projF);
1138 dstF = (ir_node*)entry->value;
1140 irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1141 relation & ~ir_relation_equal);
1142 dbg = get_irn_dbg_info(node);
1143 irn = new_rd_Cond(dbg, block, irn);
1145 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1146 mark_irn_visited(projHT);
1147 exchange(projT, projHT);
1150 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1151 mark_irn_visited(projHF);
1153 newbl_eq = new_r_Block(irg, 1, &projHF);
1155 irn = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word,
1157 irn = new_rd_Cond(dbg, newbl_eq, irn);
1159 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1160 mark_irn_visited(proj);
1161 exchange(projF, proj);
1164 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1165 mark_irn_visited(proj);
1167 newbl_l = new_r_Block(irg, 1, &proj);
1169 dbg = get_irn_dbg_info(sel);
1170 irn = new_rd_Cmp(dbg, newbl_l, lentry->low_word, rentry->low_word,
1172 dbg = get_irn_dbg_info(node);
1173 irn = new_rd_Cond(dbg, newbl_l, irn);
1175 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1176 mark_irn_visited(proj);
1177 add_block_cf_input(dstT, projT, proj);
1179 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1180 mark_irn_visited(proj);
1181 add_block_cf_input(dstF, projF, proj);
1184 /* we have changed the control flow */
1185 env->flags |= CF_CHANGED;
1189 * Translate a Conv to higher_signed
1191 static void lower_Conv_to_Ll(ir_node *node, lower_env_t *env)
1193 ir_mode *omode = get_irn_mode(node);
1194 ir_node *op = get_Conv_op(node);
1195 ir_mode *imode = get_irn_mode(op);
1196 ir_graph *irg = get_irn_irg(node);
1197 ir_node *block = get_nodes_block(node);
1198 dbg_info *dbg = get_irn_dbg_info(node);
1202 ir_mode *low_unsigned = env->low_unsigned;
1204 = mode_is_signed(omode) ? env->low_signed : low_unsigned;
1206 if (mode_is_int(imode) || mode_is_reference(imode)) {
1207 if (imode == env->high_signed || imode == env->high_unsigned) {
1208 /* a Conv from Lu to Ls or Ls to Lu */
1209 const node_entry_t *op_entry = get_node_entry(env, op);
1210 res_low = op_entry->low_word;
1211 res_high = new_rd_Conv(dbg, block, op_entry->high_word, low_signed);
1213 /* simple case: create a high word */
1214 if (imode != low_unsigned)
1215 op = new_rd_Conv(dbg, block, op, low_unsigned);
1219 if (mode_is_signed(imode)) {
1220 int c = get_mode_size_bits(low_signed) - 1;
1221 ir_node *cnst = new_r_Const_long(irg, low_unsigned, c);
1222 if (get_irn_mode(op) != low_signed)
1223 op = new_rd_Conv(dbg, block, op, low_signed);
1224 res_high = new_rd_Shrs(dbg, block, op, cnst, low_signed);
1226 res_high = new_r_Const(irg, get_mode_null(low_signed));
1229 } else if (imode == mode_b) {
1230 res_low = new_rd_Conv(dbg, block, op, low_unsigned);
1231 res_high = new_r_Const(irg, get_mode_null(low_signed));
1233 ir_node *irn, *call;
1234 ir_type *mtp = get_conv_type(imode, omode, env);
1236 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env);
1237 call = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 1, &op, mtp);
1238 set_irn_pinned(call, get_irn_pinned(node));
1239 irn = new_r_Proj(call, mode_T, pn_Call_T_result);
1241 res_low = new_r_Proj(irn, low_unsigned, 0);
1242 res_high = new_r_Proj(irn, low_signed, 1);
1244 set_lowered(env, node, res_low, res_high);
1248 * Translate a Conv from higher_unsigned
1250 static void lower_Conv_from_Ll(ir_node *node, lower_env_t *env)
1252 ir_node *op = get_Conv_op(node);
1253 ir_mode *omode = get_irn_mode(node);
1254 ir_node *block = get_nodes_block(node);
1255 dbg_info *dbg = get_irn_dbg_info(node);
1256 ir_graph *irg = get_irn_irg(node);
1257 const node_entry_t *entry = get_node_entry(env, op);
1259 if (mode_is_int(omode) || mode_is_reference(omode)) {
1260 op = entry->low_word;
1262 /* simple case: create a high word */
1263 if (omode != env->low_unsigned)
1264 op = new_rd_Conv(dbg, block, op, omode);
1266 set_Conv_op(node, op);
1267 } else if (omode == mode_b) {
1268 /* llu ? true : false <=> (low|high) ? true : false */
1269 ir_mode *mode = env->low_unsigned;
1270 ir_node *ornode = new_rd_Or(dbg, block, entry->low_word,
1271 entry->high_word, mode);
1272 set_Conv_op(node, ornode);
1274 ir_node *irn, *call, *in[2];
1275 ir_mode *imode = get_irn_mode(op);
1276 ir_type *mtp = get_conv_type(imode, omode, env);
1278 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env);
1279 in[0] = entry->low_word;
1280 in[1] = entry->high_word;
1282 call = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
1283 set_irn_pinned(call, get_irn_pinned(node));
1284 irn = new_r_Proj(call, mode_T, pn_Call_T_result);
1286 exchange(node, new_r_Proj(irn, omode, 0));
1293 static void lower_Cmp(ir_node *cmp, ir_mode *m, lower_env_t *env)
1295 ir_node *l = get_Cmp_left(cmp);
1296 ir_mode *mode = get_irn_mode(l);
1297 ir_node *r, *low, *high, *t, *res;
1298 ir_relation relation;
1301 const node_entry_t *lentry;
1302 const node_entry_t *rentry;
1305 if (mode != env->high_signed && mode != env->high_unsigned) {
1309 r = get_Cmp_right(cmp);
1310 lentry = get_node_entry(env, l);
1311 rentry = get_node_entry(env, r);
1312 relation = get_Cmp_relation(cmp);
1313 blk = get_nodes_block(cmp);
1314 db = get_irn_dbg_info(cmp);
1316 if (relation == ir_relation_equal) {
1317 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
1318 low = new_rd_Cmp(db, blk, lentry->low_word, rentry->low_word,
1320 high = new_rd_Cmp(db, blk, lentry->high_word, rentry->high_word,
1322 res = new_rd_And(db, blk, low, high, mode_b);
1323 } else if (relation == ir_relation_less_greater) {
1324 /* simple case:a != b <==> a_h != b_h || a_l != b_l */
1325 low = new_rd_Cmp(db, blk, lentry->low_word, rentry->low_word,
1327 high = new_rd_Cmp(db, blk, lentry->high_word, rentry->high_word,
1329 res = new_rd_Or(db, blk, low, high, mode_b);
1331 /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
1332 ir_node *high1 = new_rd_Cmp(db, blk, lentry->high_word,
1333 rentry->high_word, relation & ~ir_relation_equal);
1334 low = new_rd_Cmp(db, blk, lentry->low_word, rentry->low_word,
1336 high = new_rd_Cmp(db, blk, lentry->high_word, rentry->high_word,
1338 t = new_rd_And(db, blk, low, high, mode_b);
1339 res = new_rd_Or(db, blk, high1, t, mode_b);
1347 static void lower_Conv(ir_node *node, ir_mode *mode, lower_env_t *env)
1349 mode = get_irn_mode(node);
1351 if (mode == env->high_signed || mode == env->high_unsigned) {
1352 lower_Conv_to_Ll(node, env);
1354 ir_mode *op_mode = get_irn_mode(get_Conv_op(node));
1356 if (op_mode == env->high_signed || op_mode == env->high_unsigned) {
1357 lower_Conv_from_Ll(node, env);
1363 * Remember the new argument index of this value type entity in the lowered
1366 * @param ent the entity
1367 * @param pos the argument index of this entity
1369 static inline void set_entity_arg_idx(ir_entity *ent, size_t pos)
1371 set_entity_link(ent, INT_TO_PTR(pos));
1375 * Retrieve the argument index of a value type entity.
1377 * @param ent the entity
1379 static size_t get_entity_arg_idx(const ir_entity *ent) {
1380 return PTR_TO_INT(get_entity_link(ent));
1384 * Lower the method type.
1386 * @param env the lower environment
1387 * @param mtp the method type to lower
1389 * @return the lowered type
1391 static ir_type *lower_mtp(lower_env_t *env, ir_type *mtp)
1395 ir_type *res, *value_type;
1397 if (is_lowered_type(mtp))
1400 entry = pmap_find(lowered_type, mtp);
1402 size_t i, orig_n_params, orig_n_res, n_param, n_res;
1404 /* count new number of params */
1405 n_param = orig_n_params = get_method_n_params(mtp);
1406 for (i = orig_n_params; i > 0;) {
1407 ir_type *tp = get_method_param_type(mtp, --i);
1409 if (is_Primitive_type(tp)) {
1410 ir_mode *mode = get_type_mode(tp);
1412 if (mode == env->high_signed ||
1413 mode == env->high_unsigned)
1418 /* count new number of results */
1419 n_res = orig_n_res = get_method_n_ress(mtp);
1420 for (i = orig_n_res; i > 0;) {
1421 ir_type *tp = get_method_res_type(mtp, --i);
1423 if (is_Primitive_type(tp)) {
1424 ir_mode *mode = get_type_mode(tp);
1426 if (mode == env->high_signed ||
1427 mode == env->high_unsigned)
1432 res = new_type_method(n_param, n_res);
1434 /* set param types and result types */
1435 for (i = n_param = 0; i < orig_n_params; ++i) {
1436 ir_type *tp = get_method_param_type(mtp, i);
1438 if (is_Primitive_type(tp)) {
1439 ir_mode *mode = get_type_mode(tp);
1441 if (mode == env->high_signed) {
1442 set_method_param_type(res, n_param++, tp_u);
1443 set_method_param_type(res, n_param++, tp_s);
1444 } else if (mode == env->high_unsigned) {
1445 set_method_param_type(res, n_param++, tp_u);
1446 set_method_param_type(res, n_param++, tp_u);
1448 set_method_param_type(res, n_param++, tp);
1451 set_method_param_type(res, n_param++, tp);
1454 for (i = n_res = 0; i < orig_n_res; ++i) {
1455 ir_type *tp = get_method_res_type(mtp, i);
1457 if (is_Primitive_type(tp)) {
1458 ir_mode *mode = get_type_mode(tp);
1460 if (mode == env->high_signed) {
1461 set_method_res_type(res, n_res++, tp_u);
1462 set_method_res_type(res, n_res++, tp_s);
1463 } else if (mode == env->high_unsigned) {
1464 set_method_res_type(res, n_res++, tp_u);
1465 set_method_res_type(res, n_res++, tp_u);
1467 set_method_res_type(res, n_res++, tp);
1470 set_method_res_type(res, n_res++, tp);
1473 set_lowered_type(mtp, res);
1474 pmap_insert(lowered_type, mtp, res);
1476 value_type = get_method_value_param_type(mtp);
1477 if (value_type != NULL) {
1478 /* this creates a new value parameter type */
1479 (void)get_method_value_param_ent(res, 0);
1481 /* set new param positions for all entities of the value type */
1482 for (i = n_param = 0; i < orig_n_params; ++i) {
1483 ir_type *tp = get_method_param_type(mtp, i);
1484 ident *id = get_method_param_ident(mtp, i);
1485 ir_entity *ent = get_method_value_param_ent(mtp, i);
1487 set_entity_arg_idx(ent, n_param);
1488 if (is_Primitive_type(tp)) {
1489 ir_mode *mode = get_type_mode(tp);
1491 if (mode == env->high_signed || mode == env->high_unsigned) {
1493 lid = id_mangle(id, env->first_id);
1494 set_method_param_ident(res, n_param, lid);
1495 set_entity_ident(get_method_value_param_ent(res, n_param), lid);
1496 lid = id_mangle(id, env->next_id);
1497 set_method_param_ident(res, n_param + 1, lid);
1498 set_entity_ident(get_method_value_param_ent(res, n_param + 1), lid);
1505 set_method_param_ident(res, n_param, id);
1506 set_entity_ident(get_method_value_param_ent(res, n_param), id);
1511 set_lowered_type(value_type, get_method_value_param_type(res));
1514 res = (ir_type*)entry->value;
1520 * Translate a Return.
1522 static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env)
1524 ir_graph *irg = get_irn_irg(node);
1525 ir_entity *ent = get_irg_entity(irg);
1526 ir_type *mtp = get_entity_type(ent);
1532 /* check if this return must be lowered */
1533 for (i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1534 ir_node *pred = get_Return_res(node, i);
1535 ir_mode *mode = get_irn_op_mode(pred);
1537 if (mode == env->high_signed || mode == env->high_unsigned)
1543 ent = get_irg_entity(irg);
1544 mtp = get_entity_type(ent);
1546 mtp = lower_mtp(env, mtp);
1547 set_entity_type(ent, mtp);
1549 /* create a new in array */
1550 NEW_ARR_A(ir_node *, in, get_method_n_ress(mtp) + 1);
1551 in[0] = get_Return_mem(node);
1553 for (j = i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1554 ir_node *pred = get_Return_res(node, i);
1555 ir_mode *pred_mode = get_irn_mode(pred);
1557 if (pred_mode == env->high_signed || pred_mode == env->high_unsigned) {
1558 const node_entry_t *entry = get_node_entry(env, pred);
1559 in[++j] = entry->low_word;
1560 in[++j] = entry->high_word;
1566 set_irn_in(node, j+1, in);
1570 * Translate the parameters.
1572 static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env)
1574 ir_graph *irg = get_irn_irg(node);
1575 ir_entity *ent = get_irg_entity(irg);
1576 ir_type *tp = get_entity_type(ent);
1579 size_t i, j, n_params;
1581 ir_node *proj, *args;
1584 if (is_lowered_type(tp)) {
1585 mtp = get_associated_type(tp);
1589 assert(! is_lowered_type(mtp));
1591 n_params = get_method_n_params(mtp);
1595 NEW_ARR_A(long, new_projs, n_params);
1597 /* first check if we have parameters that must be fixed */
1598 for (i = j = 0; i < n_params; ++i, ++j) {
1599 ir_type *tp = get_method_param_type(mtp, i);
1602 if (is_Primitive_type(tp)) {
1603 ir_mode *mode = get_type_mode(tp);
1605 if (mode == env->high_signed ||
1606 mode == env->high_unsigned)
1613 mtp = lower_mtp(env, mtp);
1614 set_entity_type(ent, mtp);
1616 /* switch off optimization for new Proj nodes or they might be CSE'ed
1617 with not patched one's */
1618 rem = get_optimize();
1621 /* ok, fix all Proj's and create new ones */
1622 args = get_irg_args(irg);
1623 for (proj = (ir_node*)get_irn_link(node); proj;
1624 proj = (ir_node*)get_irn_link(proj)) {
1625 ir_node *pred = get_Proj_pred(proj);
1634 /* do not visit this node again */
1635 mark_irn_visited(proj);
1640 proj_nr = get_Proj_proj(proj);
1641 set_Proj_proj(proj, new_projs[proj_nr]);
1643 mode = get_irn_mode(proj);
1644 mode_l = env->low_unsigned;
1645 if (mode == env->high_signed) {
1646 mode_h = env->low_signed;
1647 } else if (mode == env->high_unsigned) {
1648 mode_h = env->low_unsigned;
1653 dbg = get_irn_dbg_info(proj);
1654 res_low = new_rd_Proj(dbg, args, mode_l, new_projs[proj_nr]);
1655 res_high = new_rd_Proj(dbg, args, mode_h, new_projs[proj_nr] + 1);
1656 set_lowered(env, proj, res_low, res_high);
1664 static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env)
1666 ir_type *tp = get_Call_type(node);
1668 ir_node **in, *proj, *results;
1669 size_t n_params, n_res;
1670 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 (p = 0; p < n_params; ++p) {
1686 ir_type *tp = get_method_param_type(call_tp, p);
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 (proj = (ir_node*)get_irn_link(results); proj; proj = (ir_node*)get_irn_link(proj)) {
1763 if (get_Proj_pred(proj) == results) {
1764 long proj_nr = get_Proj_proj(proj);
1765 ir_mode *proj_mode = get_irn_mode(proj);
1772 /* found a result */
1773 mark_irn_visited(proj);
1775 set_Proj_proj(proj, res_numbers[proj_nr]);
1777 mode_l = env->low_unsigned;
1778 if (proj_mode == env->high_signed) {
1779 mode_h = env->low_signed;
1780 } else if (proj_mode == env->high_unsigned) {
1781 mode_h = env->low_unsigned;
1786 dbg = get_irn_dbg_info(proj);
1787 res_low = new_rd_Proj(dbg, results, mode_l, res_numbers[proj_nr]);
1788 res_high = new_rd_Proj(dbg, results, mode_h, res_numbers[proj_nr] + 1);
1789 set_lowered(env, proj, res_low, res_high);
1797 * Translate an Unknown into two.
1799 static void lower_Unknown(ir_node *node, ir_mode *mode, lower_env_t *env)
1801 ir_mode *low_mode = env->low_unsigned;
1802 ir_graph *irg = get_irn_irg(node);
1803 ir_node *res_low = new_r_Unknown(irg, low_mode);
1804 ir_node *res_high = new_r_Unknown(irg, mode);
1805 set_lowered(env, node, res_low, res_high);
1811 * First step: just create two templates
1813 static void lower_Phi(lower_env_t *env, ir_node *phi)
1815 ir_mode *mode = get_irn_mode(phi);
1830 /* enqueue predecessors */
1831 arity = get_Phi_n_preds(phi);
1832 for (i = 0; i < arity; ++i) {
1833 ir_node *pred = get_Phi_pred(phi, i);
1834 pdeq_putr(env->waitq, pred);
1837 if (mode != env->high_signed && mode != env->high_unsigned)
1840 /* first create a new in array */
1841 NEW_ARR_A(ir_node *, in_l, arity);
1842 NEW_ARR_A(ir_node *, in_h, arity);
1843 irg = get_irn_irg(phi);
1844 mode_l = env->low_unsigned;
1845 mode_h = mode == env->high_signed ? env->low_signed : env->low_unsigned;
1846 unk_l = new_r_Dummy(irg, mode_l);
1847 unk_h = new_r_Dummy(irg, mode_h);
1848 for (i = 0; i < arity; ++i) {
1853 dbg = get_irn_dbg_info(phi);
1854 block = get_nodes_block(phi);
1855 phi_l = new_rd_Phi(dbg, block, arity, in_l, mode_l);
1856 phi_h = new_rd_Phi(dbg, block, arity, in_h, mode_h);
1858 set_lowered(env, phi, phi_l, phi_h);
1860 /* remember that we need to fixup the predecessors later */
1861 ARR_APP1(ir_node*, env->lowered_phis, phi);
1863 /* Don't forget to link the new Phi nodes into the block.
1864 * Beware that some Phis might be optimized away. */
1866 add_Block_phi(block, phi_l);
1868 add_Block_phi(block, phi_h);
1871 static void fixup_phi(lower_env_t *env, ir_node *phi)
1873 const node_entry_t *entry = get_node_entry(env, phi);
1874 ir_node *phi_l = entry->low_word;
1875 ir_node *phi_h = entry->high_word;
1876 int arity = get_Phi_n_preds(phi);
1879 /* exchange phi predecessors which are lowered by now */
1880 for (i = 0; i < arity; ++i) {
1881 ir_node *pred = get_Phi_pred(phi, i);
1882 const node_entry_t *pred_entry = get_node_entry(env, pred);
1884 set_Phi_pred(phi_l, i, pred_entry->low_word);
1885 set_Phi_pred(phi_h, i, pred_entry->high_word);
1892 static void lower_Mux(ir_node *mux, ir_mode *mode, lower_env_t *env)
1894 ir_node *truen = get_Mux_true(mux);
1895 ir_node *falsen = get_Mux_false(mux);
1896 ir_node *sel = get_Mux_sel(mux);
1897 const node_entry_t *true_entry = get_node_entry(env, truen);
1898 const node_entry_t *false_entry = get_node_entry(env, falsen);
1899 ir_node *true_l = true_entry->low_word;
1900 ir_node *true_h = true_entry->high_word;
1901 ir_node *false_l = false_entry->low_word;
1902 ir_node *false_h = false_entry->high_word;
1903 dbg_info *dbgi = get_irn_dbg_info(mux);
1904 ir_node *block = get_nodes_block(mux);
1906 = new_rd_Mux(dbgi, block, sel, false_l, true_l, env->low_unsigned);
1908 = new_rd_Mux(dbgi, block, sel, false_h, true_h, mode);
1909 set_lowered(env, mux, res_low, res_high);
1913 * Translate an ASM node.
1915 static void lower_ASM(ir_node *asmn, ir_mode *mode, lower_env_t *env)
1917 ir_mode *his = env->high_signed;
1918 ir_mode *hiu = env->high_unsigned;
1924 for (i = get_irn_arity(asmn) - 1; i >= 0; --i) {
1925 ir_mode *op_mode = get_irn_mode(get_irn_n(asmn, i));
1926 if (op_mode == his || op_mode == hiu) {
1927 panic("lowering ASM unimplemented");
1934 n = (ir_node*)get_irn_link(n);
1938 proj_mode = get_irn_mode(n);
1939 if (proj_mode == his || proj_mode == hiu) {
1940 panic("lowering ASM unimplemented");
1946 * Translate a Sel node.
1948 static void lower_Sel(ir_node *sel, ir_mode *mode, lower_env_t *env)
1952 /* we must only lower value parameter Sels if we change the
1953 value parameter type. */
1954 if (env->value_param_tp != NULL) {
1955 ir_entity *ent = get_Sel_entity(sel);
1956 if (get_entity_owner(ent) == env->value_param_tp) {
1957 size_t pos = get_entity_arg_idx(ent);
1959 ent = get_method_value_param_ent(env->l_mtp, pos);
1960 set_Sel_entity(sel, ent);
1966 * check for opcodes that must always be lowered.
1968 static bool always_lower(unsigned code)
1986 * Compare two op_mode_entry_t's.
1988 static int cmp_op_mode(const void *elt, const void *key, size_t size)
1990 const op_mode_entry_t *e1 = (const op_mode_entry_t*)elt;
1991 const op_mode_entry_t *e2 = (const op_mode_entry_t*)key;
1994 return (e1->op != e2->op) | (e1->imode != e2->imode) | (e1->omode != e2->omode);
1998 * Compare two conv_tp_entry_t's.
2000 static int cmp_conv_tp(const void *elt, const void *key, size_t size)
2002 const conv_tp_entry_t *e1 = (const conv_tp_entry_t*)elt;
2003 const conv_tp_entry_t *e2 = (const conv_tp_entry_t*)key;
2006 return (e1->imode != e2->imode) | (e1->omode != e2->omode);
2010 * Enter a lowering function into an ir_op.
2012 static void enter_lower_func(ir_op *op, lower_func func)
2014 op->ops.generic = (op_func)func;
2018 * Returns non-zero if a method type must be lowered.
2020 * @param mtp the method type
2022 static bool mtp_must_be_lowered(lower_env_t *env, ir_type *mtp)
2024 size_t i, n_params = get_method_n_params(mtp);
2026 /* first check if we have parameters that must be fixed */
2027 for (i = 0; i < n_params; ++i) {
2028 ir_type *tp = get_method_param_type(mtp, i);
2030 if (is_Primitive_type(tp)) {
2031 ir_mode *mode = get_type_mode(tp);
2033 if (mode == env->high_signed ||
2034 mode == env->high_unsigned)
2041 /* Determine which modes need to be lowered */
2042 static void setup_modes(lower_env_t *env)
2044 unsigned size_bits = env->params->doubleword_size;
2045 ir_mode *doubleword_signed = NULL;
2046 ir_mode *doubleword_unsigned = NULL;
2047 size_t n_modes = get_irp_n_modes();
2048 ir_mode_arithmetic arithmetic;
2049 unsigned modulo_shift;
2052 /* search for doubleword modes... */
2053 for (i = 0; i < n_modes; ++i) {
2054 ir_mode *mode = get_irp_mode(i);
2055 if (!mode_is_int(mode))
2057 if (get_mode_size_bits(mode) != size_bits)
2059 if (mode_is_signed(mode)) {
2060 if (doubleword_signed != NULL) {
2061 /* sigh - the lowerer should really just lower all mode with
2062 * size_bits it finds. Unfortunately this required a bigger
2064 panic("multiple double word signed modes found");
2066 doubleword_signed = mode;
2068 if (doubleword_unsigned != NULL) {
2069 /* sigh - the lowerer should really just lower all mode with
2070 * size_bits it finds. Unfortunately this required a bigger
2072 panic("multiple double word unsigned modes found");
2074 doubleword_unsigned = mode;
2077 if (doubleword_signed == NULL || doubleword_unsigned == NULL) {
2078 panic("Couldn't find doubleword modes");
2081 arithmetic = get_mode_arithmetic(doubleword_signed);
2082 modulo_shift = get_mode_modulo_shift(doubleword_signed);
2084 assert(get_mode_size_bits(doubleword_unsigned) == size_bits);
2085 assert(size_bits % 2 == 0);
2086 assert(get_mode_sign(doubleword_signed) == 1);
2087 assert(get_mode_sign(doubleword_unsigned) == 0);
2088 assert(get_mode_sort(doubleword_signed) == irms_int_number);
2089 assert(get_mode_sort(doubleword_unsigned) == irms_int_number);
2090 assert(get_mode_arithmetic(doubleword_unsigned) == arithmetic);
2091 assert(get_mode_modulo_shift(doubleword_unsigned) == modulo_shift);
2093 /* try to guess a sensible modulo shift for the new mode.
2094 * (This is IMO another indication that this should really be a node
2095 * attribute instead of a mode thing) */
2096 if (modulo_shift == size_bits) {
2097 modulo_shift = modulo_shift / 2;
2098 } else if (modulo_shift == 0) {
2101 panic("Don't know what new modulo shift to use for lowered doubleword mode");
2105 /* produce lowered modes */
2106 env->high_signed = doubleword_signed;
2107 env->high_unsigned = doubleword_unsigned;
2108 env->low_signed = new_ir_mode("WS", irms_int_number, size_bits, 1,
2109 arithmetic, modulo_shift);
2110 env->low_unsigned = new_ir_mode("WU", irms_int_number, size_bits, 0,
2111 arithmetic, modulo_shift);
2114 static void enqueue_preds(lower_env_t *env, ir_node *node)
2116 int arity = get_irn_arity(node);
2119 for (i = 0; i < arity; ++i) {
2120 ir_node *pred = get_irn_n(node, i);
2121 pdeq_putr(env->waitq, pred);
2125 static void lower_node(lower_env_t *env, ir_node *node)
2133 node_entry_t *entry;
2135 if (irn_visited(node))
2137 mark_irn_visited(node);
2139 /* cycles are always broken at Phi and Block nodes. So we don't need special
2140 * magic in all the other lower functions */
2141 if (is_Block(node)) {
2142 enqueue_preds(env, node);
2144 } else if (is_Phi(node)) {
2145 lower_Phi(env, node);
2149 /* depth-first: descend into operands */
2150 if (!is_Block(node)) {
2151 ir_node *block = get_nodes_block(node);
2152 lower_node(env, block);
2155 arity = get_irn_arity(node);
2156 for (i = 0; i < arity; ++i) {
2157 ir_node *pred = get_irn_n(node, i);
2158 lower_node(env, pred);
2161 op = get_irn_op(node);
2162 func = (lower_func) op->ops.generic;
2166 idx = get_irn_idx(node);
2167 entry = idx < env->n_entries ? env->entries[idx] : NULL;
2168 if (entry != NULL || always_lower(get_irn_opcode(node))) {
2169 mode = get_irn_op_mode(node);
2170 if (mode == env->high_signed) {
2171 mode = env->low_signed;
2173 mode = env->low_unsigned;
2175 DB((dbg, LEVEL_1, " %+F\n", node));
2176 func(node, mode, env);
2180 static void lower_irg(lower_env_t *env, ir_graph *irg)
2186 obstack_init(&env->obst);
2188 n_idx = get_irg_last_idx(irg);
2189 n_idx = n_idx + (n_idx >> 2); /* add 25% */
2190 env->n_entries = n_idx;
2191 env->entries = NEW_ARR_F(node_entry_t*, n_idx);
2192 memset(env->entries, 0, sizeof(env->entries[0]) * n_idx);
2197 env->proj_2_block = pmap_create();
2198 env->value_param_tp = NULL;
2200 ent = get_irg_entity(irg);
2201 mtp = get_entity_type(ent);
2203 if (mtp_must_be_lowered(env, mtp)) {
2204 ir_type *ltp = lower_mtp(env, mtp);
2205 env->flags |= MUST_BE_LOWERED;
2206 set_entity_type(ent, ltp);
2208 env->value_param_tp = get_method_value_param_type(mtp);
2211 /* first step: link all nodes and allocate data */
2212 ir_reserve_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
2213 irg_walk_graph(irg, firm_clear_node_and_phi_links,
2214 prepare_links_and_handle_rotl, env);
2216 if (env->flags & MUST_BE_LOWERED) {
2218 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
2219 inc_irg_visited(irg);
2221 assert(pdeq_empty(env->waitq));
2222 pdeq_putr(env->waitq, get_irg_end(irg));
2224 env->lowered_phis = NEW_ARR_F(ir_node*, 0);
2225 while (!pdeq_empty(env->waitq)) {
2226 ir_node *node = (ir_node*)pdeq_getl(env->waitq);
2227 lower_node(env, node);
2230 /* we need to fixup phis */
2231 for (i = 0; i < ARR_LEN(env->lowered_phis); ++i) {
2232 ir_node *phi = env->lowered_phis[i];
2233 fixup_phi(env, phi);
2235 DEL_ARR_F(env->lowered_phis);
2238 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
2240 /* outs are invalid, we changed the graph */
2241 set_irg_outs_inconsistent(irg);
2243 if (env->flags & CF_CHANGED) {
2244 /* control flow changed, dominance info is invalid */
2245 set_irg_doms_inconsistent(irg);
2246 set_irg_extblk_inconsistent(irg);
2247 set_irg_loopinfo_inconsistent(irg);
2251 ir_free_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
2253 pmap_destroy(env->proj_2_block);
2254 DEL_ARR_F(env->entries);
2255 obstack_free(&env->obst, NULL);
2261 void lower_dw_ops(const lwrdw_param_t *param)
2266 assert(param != NULL);
2267 FIRM_DBG_REGISTER(dbg, "firm.lower.dw");
2269 memset(&lenv, 0, sizeof(lenv));
2270 lenv.params = param;
2273 /* create the necessary maps */
2274 if (! intrinsic_fkt)
2275 intrinsic_fkt = new_set(cmp_op_mode, iro_Last + 1);
2277 conv_types = new_set(cmp_conv_tp, 16);
2279 lowered_type = pmap_create();
2281 /* create a primitive unsigned and signed type */
2283 tp_u = get_type_for_mode(lenv.low_unsigned);
2285 tp_s = get_type_for_mode(lenv.low_signed);
2287 /* create method types for the created binop calls */
2289 binop_tp_u = new_type_method(4, 2);
2290 set_method_param_type(binop_tp_u, 0, tp_u);
2291 set_method_param_type(binop_tp_u, 1, tp_u);
2292 set_method_param_type(binop_tp_u, 2, tp_u);
2293 set_method_param_type(binop_tp_u, 3, tp_u);
2294 set_method_res_type(binop_tp_u, 0, tp_u);
2295 set_method_res_type(binop_tp_u, 1, tp_u);
2298 binop_tp_s = new_type_method(4, 2);
2299 set_method_param_type(binop_tp_s, 0, tp_u);
2300 set_method_param_type(binop_tp_s, 1, tp_s);
2301 set_method_param_type(binop_tp_s, 2, tp_u);
2302 set_method_param_type(binop_tp_s, 3, tp_s);
2303 set_method_res_type(binop_tp_s, 0, tp_u);
2304 set_method_res_type(binop_tp_s, 1, tp_s);
2306 if (! shiftop_tp_u) {
2307 shiftop_tp_u = new_type_method(3, 2);
2308 set_method_param_type(shiftop_tp_u, 0, tp_u);
2309 set_method_param_type(shiftop_tp_u, 1, tp_u);
2310 set_method_param_type(shiftop_tp_u, 2, tp_u);
2311 set_method_res_type(shiftop_tp_u, 0, tp_u);
2312 set_method_res_type(shiftop_tp_u, 1, tp_u);
2314 if (! shiftop_tp_s) {
2315 shiftop_tp_s = new_type_method(3, 2);
2316 set_method_param_type(shiftop_tp_s, 0, tp_u);
2317 set_method_param_type(shiftop_tp_s, 1, tp_s);
2318 set_method_param_type(shiftop_tp_s, 2, tp_u);
2319 set_method_res_type(shiftop_tp_s, 0, tp_u);
2320 set_method_res_type(shiftop_tp_s, 1, tp_s);
2323 unop_tp_u = new_type_method(2, 2);
2324 set_method_param_type(unop_tp_u, 0, tp_u);
2325 set_method_param_type(unop_tp_u, 1, tp_u);
2326 set_method_res_type(unop_tp_u, 0, tp_u);
2327 set_method_res_type(unop_tp_u, 1, tp_u);
2330 unop_tp_s = new_type_method(2, 2);
2331 set_method_param_type(unop_tp_s, 0, tp_u);
2332 set_method_param_type(unop_tp_s, 1, tp_s);
2333 set_method_res_type(unop_tp_s, 0, tp_u);
2334 set_method_res_type(unop_tp_s, 1, tp_s);
2337 clear_irp_opcodes_generic_func();
2338 enter_lower_func(op_ASM, lower_ASM);
2339 enter_lower_func(op_Add, lower_binop);
2340 enter_lower_func(op_And, lower_And);
2341 enter_lower_func(op_Call, lower_Call);
2342 enter_lower_func(op_Cmp, lower_Cmp);
2343 enter_lower_func(op_Cond, lower_Cond);
2344 enter_lower_func(op_Const, lower_Const);
2345 enter_lower_func(op_Conv, lower_Conv);
2346 enter_lower_func(op_Div, lower_Div);
2347 enter_lower_func(op_Eor, lower_Eor);
2348 enter_lower_func(op_Load, lower_Load);
2349 enter_lower_func(op_Minus, lower_Unop);
2350 enter_lower_func(op_Mod, lower_Mod);
2351 enter_lower_func(op_Mul, lower_binop);
2352 enter_lower_func(op_Mux, lower_Mux);
2353 enter_lower_func(op_Not, lower_Not);
2354 enter_lower_func(op_Or, lower_Or);
2355 enter_lower_func(op_Return, lower_Return);
2356 enter_lower_func(op_Sel, lower_Sel);
2357 enter_lower_func(op_Shl, lower_Shl);
2358 enter_lower_func(op_Shr, lower_Shr);
2359 enter_lower_func(op_Shrs, lower_Shrs);
2360 enter_lower_func(op_Start, lower_Start);
2361 enter_lower_func(op_Store, lower_Store);
2362 enter_lower_func(op_Sub, lower_binop);
2363 enter_lower_func(op_Unknown, lower_Unknown);
2365 lenv.tv_mode_bytes = new_tarval_from_long(param->doubleword_size/(2*8), lenv.low_unsigned);
2366 lenv.tv_mode_bits = new_tarval_from_long(param->doubleword_size/2, lenv.low_unsigned);
2367 lenv.waitq = new_pdeq();
2368 lenv.first_id = new_id_from_chars(param->little_endian ? ".l" : ".h", 2);
2369 lenv.next_id = new_id_from_chars(param->little_endian ? ".h" : ".l", 2);
2371 /* transform all graphs */
2372 for (i = 0, n = get_irp_n_irgs(); i < n; ++i) {
2373 ir_graph *irg = get_irp_irg(i);
2374 lower_irg(&lenv, irg);
2376 del_pdeq(lenv.waitq);
2379 /* Default implementation. */
2380 ir_entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op,
2381 const ir_mode *imode, const ir_mode *omode,
2389 if (imode == omode) {
2390 snprintf(buf, sizeof(buf), "__l%s%s", get_op_name(op), get_mode_name(imode));
2392 snprintf(buf, sizeof(buf), "__l%s%s%s", get_op_name(op),
2393 get_mode_name(imode), get_mode_name(omode));
2395 id = new_id_from_str(buf);
2397 ent = new_entity(get_glob_type(), id, method);
2398 set_entity_ld_ident(ent, get_entity_ident(ent));