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, ie 64bit -> 32bit, 32bit -> 16bit etc.
24 * @author Michael Beck
37 #include "irgraph_t.h"
42 #include "dbginfo_t.h"
43 #include "iropt_dbg.h"
58 typedef struct lower_env_t lower_env_t;
61 * The type of a lower function.
63 * @param node the node to be lowered
64 * @param env the lower environment
66 typedef void (*lower_func)(ir_node *node, ir_mode *mode, lower_env_t *env);
68 /** A map from (op, imode, omode) to Intrinsic functions entities. */
69 static set *intrinsic_fkt;
71 /** A map from (imode, omode) to conv function types. */
72 static set *conv_types;
74 /** A map from a method type to its lowered type. */
75 static pmap *lowered_type;
77 /** The types for the binop and unop intrinsics. */
78 static ir_type *binop_tp_u, *binop_tp_s, *unop_tp_u, *unop_tp_s, *shiftop_tp_u, *shiftop_tp_s, *tp_s, *tp_u;
80 /** the debug handle */
81 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
84 * An entry in the (op, imode, omode) -> entity map.
86 typedef struct op_mode_entry {
87 const ir_op *op; /**< the op */
88 const ir_mode *imode; /**< the input mode */
89 const ir_mode *omode; /**< the output mode */
90 ir_entity *ent; /**< the associated entity of this (op, imode, omode) triple */
94 * An entry in the (imode, omode) -> tp map.
96 typedef struct conv_tp_entry {
97 const ir_mode *imode; /**< the input mode */
98 const ir_mode *omode; /**< the output mode */
99 ir_type *mtd; /**< the associated method type of this (imode, omode) pair */
103 * Every double word node will be replaced,
104 * we need some store to hold the replacement:
106 typedef struct node_entry_t {
107 ir_node *low_word; /**< the low word */
108 ir_node *high_word; /**< the high word */
112 MUST_BE_LOWERED = 1, /**< graph must be lowered */
113 CF_CHANGED = 2, /**< control flow was changed */
117 * The lower environment.
120 node_entry_t **entries; /**< entries per node */
122 struct obstack obst; /**< an obstack holding the temporary data */
123 ir_type *l_mtp; /**< lowered method type of the current method */
124 ir_tarval *tv_mode_bytes; /**< a tarval containing the number of bytes in the lowered modes */
125 ir_tarval *tv_mode_bits; /**< a tarval containing the number of bits in the lowered modes */
126 pdeq *waitq; /**< a wait queue of all nodes that must be handled later */
127 ir_node **lowered_phis; /**< list of lowered phis */
128 pmap *proj_2_block; /**< a map from ProjX to its destination blocks */
129 ir_mode *high_signed; /**< doubleword signed type */
130 ir_mode *high_unsigned; /**< doubleword unsigned type */
131 ir_mode *low_signed; /**< word signed type */
132 ir_mode *low_unsigned; /**< word unsigned type */
133 ident *first_id; /**< .l for little and .h for big endian */
134 ident *next_id; /**< .h for little and .l for big endian */
135 const lwrdw_param_t *params; /**< transformation parameter */
136 unsigned flags; /**< some flags */
137 unsigned n_entries; /**< number of entries */
138 ir_type *value_param_tp; /**< the old value param type */
142 * Create a method type for a Conv emulation from imode to omode.
144 static ir_type *get_conv_type(ir_mode *imode, ir_mode *omode, lower_env_t *env)
146 conv_tp_entry_t key, *entry;
153 entry = (conv_tp_entry_t*)set_insert(conv_types, &key, sizeof(key), HASH_PTR(imode) ^ HASH_PTR(omode));
155 int n_param = 1, n_res = 1;
157 if (imode == env->high_signed || imode == env->high_unsigned)
159 if (omode == env->high_signed || omode == env->high_unsigned)
162 /* create a new one */
163 mtd = new_type_method(n_param, n_res);
165 /* set param types and result types */
167 if (imode == env->high_signed) {
168 set_method_param_type(mtd, n_param++, tp_u);
169 set_method_param_type(mtd, n_param++, tp_s);
170 } else if (imode == env->high_unsigned) {
171 set_method_param_type(mtd, n_param++, tp_u);
172 set_method_param_type(mtd, n_param++, tp_u);
174 ir_type *tp = get_type_for_mode(imode);
175 set_method_param_type(mtd, n_param++, tp);
179 if (omode == env->high_signed) {
180 set_method_res_type(mtd, n_res++, tp_u);
181 set_method_res_type(mtd, n_res++, tp_s);
182 } else if (omode == env->high_unsigned) {
183 set_method_res_type(mtd, n_res++, tp_u);
184 set_method_res_type(mtd, n_res++, tp_u);
186 ir_type *tp = get_type_for_mode(omode);
187 set_method_res_type(mtd, n_res++, tp);
197 * Add an additional control flow input to a block.
198 * Patch all Phi nodes. The new Phi inputs are copied from
199 * old input number nr.
201 static void add_block_cf_input_nr(ir_node *block, int nr, ir_node *cf)
203 int i, arity = get_irn_arity(block);
208 NEW_ARR_A(ir_node *, in, arity + 1);
209 for (i = 0; i < arity; ++i)
210 in[i] = get_irn_n(block, i);
213 set_irn_in(block, i + 1, in);
215 for (phi = get_Block_phis(block); phi != NULL; phi = get_Phi_next(phi)) {
216 for (i = 0; i < arity; ++i)
217 in[i] = get_irn_n(phi, i);
219 set_irn_in(phi, i + 1, in);
224 * Add an additional control flow input to a block.
225 * Patch all Phi nodes. The new Phi inputs are copied from
226 * old input from cf tmpl.
228 static void add_block_cf_input(ir_node *block, ir_node *tmpl, ir_node *cf)
230 int i, arity = get_irn_arity(block);
233 for (i = 0; i < arity; ++i) {
234 if (get_irn_n(block, i) == tmpl) {
240 add_block_cf_input_nr(block, nr, cf);
244 * Return the "operational" mode of a Firm node.
246 static ir_mode *get_irn_op_mode(ir_node *node)
248 switch (get_irn_opcode(node)) {
250 return get_Load_mode(node);
252 return get_irn_mode(get_Store_value(node));
254 return get_irn_mode(get_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 *cmp, *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, *cmpH, *cmpL, *irn;
995 ir_node *projHF, *projHT;
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 cmp = get_Proj_pred(sel);
1018 left = get_Cmp_left(cmp);
1019 cmp_mode = get_irn_mode(left);
1020 if (cmp_mode != env->high_signed && cmp_mode != env->high_unsigned)
1023 right = get_Cmp_right(cmp);
1024 lentry = get_node_entry(env, left);
1025 rentry = get_node_entry(env, right);
1027 /* all right, build the code */
1028 for (proj = (ir_node*)get_irn_link(node); proj;
1029 proj = (ir_node*)get_irn_link(proj)) {
1030 long proj_nr = get_Proj_proj(proj);
1032 if (proj_nr == pn_Cond_true) {
1033 assert(projT == NULL && "more than one Proj(true)");
1036 assert(proj_nr == pn_Cond_false);
1037 assert(projF == NULL && "more than one Proj(false)");
1040 mark_irn_visited(proj);
1042 assert(projT && projF);
1044 /* create a new high compare */
1045 block = get_nodes_block(node);
1046 irg = get_Block_irg(block);
1047 dbg = get_irn_dbg_info(cmp);
1048 pnc = get_Proj_pn_cmp(sel);
1050 if (is_Const(right) && is_Const_null(right)) {
1051 if (pnc == pn_Cmp_Eq || pnc == pn_Cmp_Lg) {
1052 /* x ==/!= 0 ==> or(low,high) ==/!= 0 */
1053 ir_mode *mode = env->low_unsigned;
1054 ir_node *low = new_r_Conv(block, lentry->low_word, mode);
1055 ir_node *high = new_r_Conv(block, lentry->high_word, mode);
1056 ir_node *ornode = new_rd_Or(dbg, block, low, high, mode);
1057 ir_node *cmp = new_rd_Cmp(dbg, block, ornode, new_r_Const_long(irg, mode, 0));
1059 ir_node *proj = new_r_Proj(cmp, mode_b, pnc);
1060 set_Cond_selector(node, proj);
1065 cmpH = new_rd_Cmp(dbg, block, lentry->high_word, rentry->high_word);
1067 if (pnc == pn_Cmp_Eq) {
1068 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
1069 pmap_entry *entry = pmap_find(env->proj_2_block, projF);
1072 dst_blk = (ir_node*)entry->value;
1074 irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Eq);
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(cmp);
1088 cmpL = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word);
1089 irn = new_r_Proj(cmpL, mode_b, pn_Cmp_Eq);
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 (pnc == pn_Cmp_Lg) {
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_r_Proj(cmpH, mode_b, pn_Cmp_Lg);
1108 dbg = get_irn_dbg_info(node);
1109 irn = new_rd_Cond(dbg, block, irn);
1111 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1112 mark_irn_visited(projHT);
1113 exchange(projT, projHT);
1115 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1116 mark_irn_visited(projHF);
1118 new_bl = new_r_Block(irg, 1, &projHF);
1120 dbg = get_irn_dbg_info(cmp);
1121 cmpL = new_rd_Cmp(dbg, new_bl, lentry->low_word, rentry->low_word);
1122 irn = new_r_Proj(cmpL, mode_b, pn_Cmp_Lg);
1123 dbg = get_irn_dbg_info(node);
1124 irn = new_rd_Cond(dbg, new_bl, irn);
1126 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1127 mark_irn_visited(proj);
1128 add_block_cf_input(dst_blk, projHT, proj);
1130 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1131 mark_irn_visited(proj);
1132 exchange(projF, proj);
1134 /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
1135 ir_node *dstT, *dstF, *newbl_eq, *newbl_l;
1138 entry = pmap_find(env->proj_2_block, projT);
1140 dstT = (ir_node*)entry->value;
1142 entry = pmap_find(env->proj_2_block, projF);
1144 dstF = (ir_node*)entry->value;
1146 irn = new_r_Proj(cmpH, mode_b, pnc & ~pn_Cmp_Eq);
1147 dbg = get_irn_dbg_info(node);
1148 irn = new_rd_Cond(dbg, block, irn);
1150 projHT = new_r_Proj(irn, mode_X, pn_Cond_true);
1151 mark_irn_visited(projHT);
1152 exchange(projT, projHT);
1155 projHF = new_r_Proj(irn, mode_X, pn_Cond_false);
1156 mark_irn_visited(projHF);
1158 newbl_eq = new_r_Block(irg, 1, &projHF);
1160 irn = new_r_Proj(cmpH, mode_b, pn_Cmp_Eq);
1161 irn = new_rd_Cond(dbg, newbl_eq, irn);
1163 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1164 mark_irn_visited(proj);
1165 exchange(projF, proj);
1168 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1169 mark_irn_visited(proj);
1171 newbl_l = new_r_Block(irg, 1, &proj);
1173 dbg = get_irn_dbg_info(cmp);
1174 cmpL = new_rd_Cmp(dbg, newbl_l, lentry->low_word, rentry->low_word);
1175 irn = new_r_Proj(cmpL, mode_b, pnc);
1176 dbg = get_irn_dbg_info(node);
1177 irn = new_rd_Cond(dbg, newbl_l, irn);
1179 proj = new_r_Proj(irn, mode_X, pn_Cond_true);
1180 mark_irn_visited(proj);
1181 add_block_cf_input(dstT, projT, proj);
1183 proj = new_r_Proj(irn, mode_X, pn_Cond_false);
1184 mark_irn_visited(proj);
1185 add_block_cf_input(dstF, projF, proj);
1188 /* we have changed the control flow */
1189 env->flags |= CF_CHANGED;
1193 * Translate a Conv to higher_signed
1195 static void lower_Conv_to_Ll(ir_node *node, lower_env_t *env)
1197 ir_mode *omode = get_irn_mode(node);
1198 ir_node *op = get_Conv_op(node);
1199 ir_mode *imode = get_irn_mode(op);
1200 ir_graph *irg = get_irn_irg(node);
1201 ir_node *block = get_nodes_block(node);
1202 dbg_info *dbg = get_irn_dbg_info(node);
1206 ir_mode *low_unsigned = env->low_unsigned;
1208 = mode_is_signed(omode) ? env->low_signed : low_unsigned;
1210 if (mode_is_int(imode) || mode_is_reference(imode)) {
1211 if (imode == env->high_signed || imode == env->high_unsigned) {
1212 /* a Conv from Lu to Ls or Ls to Lu */
1213 const node_entry_t *op_entry = get_node_entry(env, op);
1214 res_low = op_entry->low_word;
1215 res_high = new_rd_Conv(dbg, block, op_entry->high_word, low_signed);
1217 /* simple case: create a high word */
1218 if (imode != low_unsigned)
1219 op = new_rd_Conv(dbg, block, op, low_unsigned);
1223 if (mode_is_signed(imode)) {
1224 int c = get_mode_size_bits(low_signed) - 1;
1225 ir_node *cnst = new_r_Const_long(irg, low_unsigned, c);
1226 if (get_irn_mode(op) != low_signed)
1227 op = new_rd_Conv(dbg, block, op, low_signed);
1228 res_high = new_rd_Shrs(dbg, block, op, cnst, low_signed);
1230 res_high = new_r_Const(irg, get_mode_null(low_signed));
1233 } else if (imode == mode_b) {
1234 res_low = new_rd_Conv(dbg, block, op, low_unsigned);
1235 res_high = new_r_Const(irg, get_mode_null(low_signed));
1237 ir_node *irn, *call;
1238 ir_type *mtp = get_conv_type(imode, omode, env);
1240 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env);
1241 call = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 1, &op, mtp);
1242 set_irn_pinned(call, get_irn_pinned(node));
1243 irn = new_r_Proj(call, mode_T, pn_Call_T_result);
1245 res_low = new_r_Proj(irn, low_unsigned, 0);
1246 res_high = new_r_Proj(irn, low_signed, 1);
1248 set_lowered(env, node, res_low, res_high);
1252 * Translate a Conv from higher_unsigned
1254 static void lower_Conv_from_Ll(ir_node *node, lower_env_t *env)
1256 ir_node *op = get_Conv_op(node);
1257 ir_mode *omode = get_irn_mode(node);
1258 ir_node *block = get_nodes_block(node);
1259 dbg_info *dbg = get_irn_dbg_info(node);
1260 ir_graph *irg = get_irn_irg(node);
1261 const node_entry_t *entry = get_node_entry(env, op);
1263 if (mode_is_int(omode) || mode_is_reference(omode)) {
1264 op = entry->low_word;
1266 /* simple case: create a high word */
1267 if (omode != env->low_unsigned)
1268 op = new_rd_Conv(dbg, block, op, omode);
1270 set_Conv_op(node, op);
1271 } else if (omode == mode_b) {
1272 /* llu ? true : false <=> (low|high) ? true : false */
1273 ir_mode *mode = env->low_unsigned;
1274 ir_node *ornode = new_rd_Or(dbg, block, entry->low_word,
1275 entry->high_word, mode);
1276 set_Conv_op(node, ornode);
1278 ir_node *irn, *call, *in[2];
1279 ir_mode *imode = get_irn_mode(op);
1280 ir_type *mtp = get_conv_type(imode, omode, env);
1282 irn = get_intrinsic_address(mtp, get_irn_op(node), imode, omode, env);
1283 in[0] = entry->low_word;
1284 in[1] = entry->high_word;
1286 call = new_rd_Call(dbg, block, get_irg_no_mem(irg), irn, 2, in, mtp);
1287 set_irn_pinned(call, get_irn_pinned(node));
1288 irn = new_r_Proj(call, mode_T, pn_Call_T_result);
1290 exchange(node, new_r_Proj(irn, omode, 0));
1295 * lower boolean Proj(Cmp)
1297 static void lower_Proj_Cmp(lower_env_t *env, ir_node *proj)
1299 ir_node *cmp = get_Proj_pred(proj);
1300 ir_node *l = get_Cmp_left(cmp);
1301 ir_mode *mode = get_irn_mode(l);
1302 ir_node *r, *low, *high, *t, *res;
1306 const node_entry_t *lentry;
1307 const node_entry_t *rentry;
1309 if (mode != env->high_signed && mode != env->high_unsigned) {
1313 r = get_Cmp_right(cmp);
1314 lentry = get_node_entry(env, l);
1315 rentry = get_node_entry(env, r);
1316 pnc = get_Proj_pn_cmp(proj);
1317 blk = get_nodes_block(cmp);
1318 db = get_irn_dbg_info(cmp);
1319 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 if (pnc == pn_Cmp_Eq) {
1323 /* simple case:a == b <==> a_h == b_h && a_l == b_l */
1324 res = new_rd_And(db, blk,
1325 new_r_Proj(low, mode_b, pnc),
1326 new_r_Proj(high, mode_b, pnc),
1328 } else if (pnc == pn_Cmp_Lg) {
1329 /* simple case:a != b <==> a_h != b_h || a_l != b_l */
1330 res = new_rd_Or(db, blk,
1331 new_r_Proj(low, mode_b, pnc),
1332 new_r_Proj(high, mode_b, pnc),
1335 /* a rel b <==> a_h REL b_h || (a_h == b_h && a_l rel b_l) */
1336 t = new_rd_And(db, blk,
1337 new_r_Proj(low, mode_b, pnc),
1338 new_r_Proj(high, mode_b, pn_Cmp_Eq),
1340 res = new_rd_Or(db, blk,
1341 new_r_Proj(high, mode_b, pnc & ~pn_Cmp_Eq),
1345 exchange(proj, res);
1348 static void lower_Proj(ir_node *node, ir_mode *mode, lower_env_t *env)
1350 ir_node *pred = get_Proj_pred(node);
1353 lower_Proj_Cmp(env, node);
1360 static void lower_Conv(ir_node *node, ir_mode *mode, lower_env_t *env)
1362 mode = get_irn_mode(node);
1364 if (mode == env->high_signed || mode == env->high_unsigned) {
1365 lower_Conv_to_Ll(node, env);
1367 ir_mode *op_mode = get_irn_mode(get_Conv_op(node));
1369 if (op_mode == env->high_signed || op_mode == env->high_unsigned) {
1370 lower_Conv_from_Ll(node, env);
1376 * Remember the new argument index of this value type entity in the lowered
1379 * @param ent the entity
1380 * @param pos the argument index of this entity
1382 static inline void set_entity_arg_idx(ir_entity *ent, int pos)
1384 set_entity_link(ent, INT_TO_PTR(pos));
1388 * Retrieve the argument index of a value type entity.
1390 * @param ent the entity
1392 static int get_entity_arg_idx(const ir_entity *ent) {
1393 return (int)PTR_TO_INT(get_entity_link(ent));
1397 * Lower the method type.
1399 * @param env the lower environment
1400 * @param mtp the method type to lower
1402 * @return the lowered type
1404 static ir_type *lower_mtp(lower_env_t *env, ir_type *mtp)
1408 ir_type *res, *value_type;
1410 if (is_lowered_type(mtp))
1413 entry = pmap_find(lowered_type, mtp);
1415 int i, orig_n_params, orig_n_res, n_param, n_res;
1417 /* count new number of params */
1418 n_param = orig_n_params = get_method_n_params(mtp);
1419 for (i = orig_n_params - 1; i >= 0; --i) {
1420 ir_type *tp = get_method_param_type(mtp, i);
1422 if (is_Primitive_type(tp)) {
1423 ir_mode *mode = get_type_mode(tp);
1425 if (mode == env->high_signed ||
1426 mode == env->high_unsigned)
1431 /* count new number of results */
1432 n_res = orig_n_res = get_method_n_ress(mtp);
1433 for (i = orig_n_res - 1; i >= 0; --i) {
1434 ir_type *tp = get_method_res_type(mtp, i);
1436 if (is_Primitive_type(tp)) {
1437 ir_mode *mode = get_type_mode(tp);
1439 if (mode == env->high_signed ||
1440 mode == env->high_unsigned)
1445 res = new_type_method(n_param, n_res);
1447 /* set param types and result types */
1448 for (i = n_param = 0; i < orig_n_params; ++i) {
1449 ir_type *tp = get_method_param_type(mtp, i);
1451 if (is_Primitive_type(tp)) {
1452 ir_mode *mode = get_type_mode(tp);
1454 if (mode == env->high_signed) {
1455 set_method_param_type(res, n_param++, tp_u);
1456 set_method_param_type(res, n_param++, tp_s);
1457 } else if (mode == env->high_unsigned) {
1458 set_method_param_type(res, n_param++, tp_u);
1459 set_method_param_type(res, n_param++, tp_u);
1461 set_method_param_type(res, n_param++, tp);
1464 set_method_param_type(res, n_param++, tp);
1467 for (i = n_res = 0; i < orig_n_res; ++i) {
1468 ir_type *tp = get_method_res_type(mtp, i);
1470 if (is_Primitive_type(tp)) {
1471 ir_mode *mode = get_type_mode(tp);
1473 if (mode == env->high_signed) {
1474 set_method_res_type(res, n_res++, tp_u);
1475 set_method_res_type(res, n_res++, tp_s);
1476 } else if (mode == env->high_unsigned) {
1477 set_method_res_type(res, n_res++, tp_u);
1478 set_method_res_type(res, n_res++, tp_u);
1480 set_method_res_type(res, n_res++, tp);
1483 set_method_res_type(res, n_res++, tp);
1486 set_lowered_type(mtp, res);
1487 pmap_insert(lowered_type, mtp, res);
1489 value_type = get_method_value_param_type(mtp);
1490 if (value_type != NULL) {
1491 /* this creates a new value parameter type */
1492 (void)get_method_value_param_ent(res, 0);
1494 /* set new param positions for all entities of the value type */
1495 for (i = n_param = 0; i < orig_n_params; ++i) {
1496 ir_type *tp = get_method_param_type(mtp, i);
1497 ident *id = get_method_param_ident(mtp, i);
1498 ir_entity *ent = get_method_value_param_ent(mtp, i);
1500 set_entity_arg_idx(ent, n_param);
1501 if (is_Primitive_type(tp)) {
1502 ir_mode *mode = get_type_mode(tp);
1504 if (mode == env->high_signed || mode == env->high_unsigned) {
1506 lid = id_mangle(id, env->first_id);
1507 set_method_param_ident(res, n_param, lid);
1508 set_entity_ident(get_method_value_param_ent(res, n_param), lid);
1509 lid = id_mangle(id, env->next_id);
1510 set_method_param_ident(res, n_param + 1, lid);
1511 set_entity_ident(get_method_value_param_ent(res, n_param + 1), lid);
1518 set_method_param_ident(res, n_param, id);
1519 set_entity_ident(get_method_value_param_ent(res, n_param), id);
1524 set_lowered_type(value_type, get_method_value_param_type(res));
1527 res = (ir_type*)entry->value;
1533 * Translate a Return.
1535 static void lower_Return(ir_node *node, ir_mode *mode, lower_env_t *env)
1537 ir_graph *irg = get_irn_irg(node);
1538 ir_entity *ent = get_irg_entity(irg);
1539 ir_type *mtp = get_entity_type(ent);
1545 /* check if this return must be lowered */
1546 for (i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1547 ir_node *pred = get_Return_res(node, i);
1548 ir_mode *mode = get_irn_op_mode(pred);
1550 if (mode == env->high_signed || mode == env->high_unsigned)
1556 ent = get_irg_entity(irg);
1557 mtp = get_entity_type(ent);
1559 mtp = lower_mtp(env, mtp);
1560 set_entity_type(ent, mtp);
1562 /* create a new in array */
1563 NEW_ARR_A(ir_node *, in, get_method_n_ress(mtp) + 1);
1564 in[0] = get_Return_mem(node);
1566 for (j = i = 0, n = get_Return_n_ress(node); i < n; ++i) {
1567 ir_node *pred = get_Return_res(node, i);
1568 ir_mode *pred_mode = get_irn_mode(pred);
1570 if (pred_mode == env->high_signed || pred_mode == env->high_unsigned) {
1571 const node_entry_t *entry = get_node_entry(env, pred);
1572 in[++j] = entry->low_word;
1573 in[++j] = entry->high_word;
1579 set_irn_in(node, j+1, in);
1583 * Translate the parameters.
1585 static void lower_Start(ir_node *node, ir_mode *mode, lower_env_t *env)
1587 ir_graph *irg = get_irn_irg(node);
1588 ir_entity *ent = get_irg_entity(irg);
1589 ir_type *tp = get_entity_type(ent);
1592 int i, j, n_params, rem;
1593 ir_node *proj, *args;
1596 if (is_lowered_type(tp)) {
1597 mtp = get_associated_type(tp);
1601 assert(! is_lowered_type(mtp));
1603 n_params = get_method_n_params(mtp);
1607 NEW_ARR_A(long, new_projs, n_params);
1609 /* first check if we have parameters that must be fixed */
1610 for (i = j = 0; i < n_params; ++i, ++j) {
1611 ir_type *tp = get_method_param_type(mtp, i);
1614 if (is_Primitive_type(tp)) {
1615 ir_mode *mode = get_type_mode(tp);
1617 if (mode == env->high_signed ||
1618 mode == env->high_unsigned)
1625 mtp = lower_mtp(env, mtp);
1626 set_entity_type(ent, mtp);
1628 /* switch off optimization for new Proj nodes or they might be CSE'ed
1629 with not patched one's */
1630 rem = get_optimize();
1633 /* ok, fix all Proj's and create new ones */
1634 args = get_irg_args(irg);
1635 for (proj = (ir_node*)get_irn_link(node); proj;
1636 proj = (ir_node*)get_irn_link(proj)) {
1637 ir_node *pred = get_Proj_pred(proj);
1646 /* do not visit this node again */
1647 mark_irn_visited(proj);
1652 proj_nr = get_Proj_proj(proj);
1653 set_Proj_proj(proj, new_projs[proj_nr]);
1655 mode = get_irn_mode(proj);
1656 mode_l = env->low_unsigned;
1657 if (mode == env->high_signed) {
1658 mode_h = env->low_signed;
1659 } else if (mode == env->high_unsigned) {
1660 mode_h = env->low_unsigned;
1665 dbg = get_irn_dbg_info(proj);
1666 res_low = new_rd_Proj(dbg, args, mode_l, new_projs[proj_nr]);
1667 res_high = new_rd_Proj(dbg, args, mode_h, new_projs[proj_nr] + 1);
1668 set_lowered(env, proj, res_low, res_high);
1676 static void lower_Call(ir_node *node, ir_mode *mode, lower_env_t *env)
1678 ir_type *tp = get_Call_type(node);
1680 ir_node **in, *proj, *results;
1681 int n_params, n_res;
1682 bool need_lower = false;
1684 long *res_numbers = NULL;
1687 if (is_lowered_type(tp)) {
1688 call_tp = get_associated_type(tp);
1693 assert(! is_lowered_type(call_tp));
1695 n_params = get_method_n_params(call_tp);
1696 for (i = 0; i < n_params; ++i) {
1697 ir_type *tp = get_method_param_type(call_tp, i);
1699 if (is_Primitive_type(tp)) {
1700 ir_mode *mode = get_type_mode(tp);
1702 if (mode == env->high_signed || mode == env->high_unsigned) {
1708 n_res = get_method_n_ress(call_tp);
1710 NEW_ARR_A(long, res_numbers, n_res);
1712 for (i = j = 0; i < n_res; ++i, ++j) {
1713 ir_type *tp = get_method_res_type(call_tp, i);
1716 if (is_Primitive_type(tp)) {
1717 ir_mode *mode = get_type_mode(tp);
1719 if (mode == env->high_signed || mode == env->high_unsigned) {
1730 /* let's lower it */
1731 call_tp = lower_mtp(env, call_tp);
1732 set_Call_type(node, call_tp);
1734 NEW_ARR_A(ir_node *, in, get_method_n_params(call_tp) + 2);
1736 in[0] = get_Call_mem(node);
1737 in[1] = get_Call_ptr(node);
1739 for (j = 2, i = 0; i < n_params; ++i) {
1740 ir_node *pred = get_Call_param(node, i);
1741 ir_mode *pred_mode = get_irn_mode(pred);
1743 if (pred_mode == env->high_signed || pred_mode == env->high_unsigned) {
1744 const node_entry_t *pred_entry = get_node_entry(env, pred);
1745 in[j++] = pred_entry->low_word;
1746 in[j++] = pred_entry->high_word;
1752 set_irn_in(node, j, in);
1754 /* fix the results */
1756 for (proj = (ir_node*)get_irn_link(node); proj;
1757 proj = (ir_node*)get_irn_link(proj)) {
1758 long proj_nr = get_Proj_proj(proj);
1760 if (proj_nr == pn_Call_T_result && get_Proj_pred(proj) == node) {
1761 /* found the result proj */
1767 if (results != NULL) { /* there are results */
1768 int rem = get_optimize();
1770 /* switch off optimization for new Proj nodes or they might be CSE'ed
1771 with not patched one's */
1773 for (i = j = 0, proj = (ir_node*)get_irn_link(results); proj;
1774 proj = (ir_node*)get_irn_link(proj), ++i, ++j) {
1775 if (get_Proj_pred(proj) == results) {
1776 long proj_nr = get_Proj_proj(proj);
1777 ir_mode *proj_mode = get_irn_mode(proj);
1784 /* found a result */
1785 mark_irn_visited(proj);
1787 set_Proj_proj(proj, res_numbers[proj_nr]);
1789 mode_l = env->low_unsigned;
1790 if (proj_mode == env->high_signed) {
1791 mode_h = env->low_signed;
1792 } else if (proj_mode == env->high_unsigned) {
1793 mode_h = env->low_unsigned;
1798 dbg = get_irn_dbg_info(proj);
1799 res_low = new_rd_Proj(dbg, results, mode_l, res_numbers[proj_nr]);
1800 res_high = new_rd_Proj(dbg, results, mode_h, res_numbers[proj_nr] + 1);
1801 set_lowered(env, proj, res_low, res_high);
1809 * Translate an Unknown into two.
1811 static void lower_Unknown(ir_node *node, ir_mode *mode, lower_env_t *env)
1813 ir_mode *low_mode = env->low_unsigned;
1814 ir_graph *irg = get_irn_irg(node);
1815 ir_node *res_low = new_r_Unknown(irg, low_mode);
1816 ir_node *res_high = new_r_Unknown(irg, mode);
1817 set_lowered(env, node, res_low, res_high);
1823 * First step: just create two templates
1825 static void lower_Phi(lower_env_t *env, ir_node *phi)
1827 ir_mode *mode = get_irn_mode(phi);
1842 /* enqueue predecessors */
1843 arity = get_Phi_n_preds(phi);
1844 for (i = 0; i < arity; ++i) {
1845 ir_node *pred = get_Phi_pred(phi, i);
1846 pdeq_putr(env->waitq, pred);
1849 if (mode != env->high_signed && mode != env->high_unsigned)
1852 /* first create a new in array */
1853 NEW_ARR_A(ir_node *, in_l, arity);
1854 NEW_ARR_A(ir_node *, in_h, arity);
1855 irg = get_irn_irg(phi);
1856 mode_l = env->low_unsigned;
1857 mode_h = mode == env->high_signed ? env->low_signed : env->low_unsigned;
1858 unk_l = new_r_Dummy(irg, mode_l);
1859 unk_h = new_r_Dummy(irg, mode_h);
1860 for (i = 0; i < arity; ++i) {
1865 dbg = get_irn_dbg_info(phi);
1866 block = get_nodes_block(phi);
1867 phi_l = new_rd_Phi(dbg, block, arity, in_l, mode_l);
1868 phi_h = new_rd_Phi(dbg, block, arity, in_h, mode_h);
1870 set_lowered(env, phi, phi_l, phi_h);
1872 /* remember that we need to fixup the predecessors later */
1873 ARR_APP1(ir_node*, env->lowered_phis, phi);
1875 /* Don't forget to link the new Phi nodes into the block.
1876 * Beware that some Phis might be optimized away. */
1878 add_Block_phi(block, phi_l);
1880 add_Block_phi(block, phi_h);
1883 static void fixup_phi(lower_env_t *env, ir_node *phi)
1885 const node_entry_t *entry = get_node_entry(env, phi);
1886 ir_node *phi_l = entry->low_word;
1887 ir_node *phi_h = entry->high_word;
1888 int arity = get_Phi_n_preds(phi);
1891 /* exchange phi predecessors which are lowered by now */
1892 for (i = 0; i < arity; ++i) {
1893 ir_node *pred = get_Phi_pred(phi, i);
1894 const node_entry_t *pred_entry = get_node_entry(env, pred);
1896 set_Phi_pred(phi_l, i, pred_entry->low_word);
1897 set_Phi_pred(phi_h, i, pred_entry->high_word);
1904 static void lower_Mux(ir_node *mux, ir_mode *mode, lower_env_t *env)
1906 ir_node *truen = get_Mux_true(mux);
1907 ir_node *falsen = get_Mux_false(mux);
1908 ir_node *sel = get_Mux_sel(mux);
1909 const node_entry_t *true_entry = get_node_entry(env, truen);
1910 const node_entry_t *false_entry = get_node_entry(env, falsen);
1911 ir_node *true_l = true_entry->low_word;
1912 ir_node *true_h = true_entry->high_word;
1913 ir_node *false_l = false_entry->low_word;
1914 ir_node *false_h = false_entry->high_word;
1915 dbg_info *dbgi = get_irn_dbg_info(mux);
1916 ir_node *block = get_nodes_block(mux);
1918 = new_rd_Mux(dbgi, block, sel, false_l, true_l, env->low_unsigned);
1920 = new_rd_Mux(dbgi, block, sel, false_h, true_h, mode);
1921 set_lowered(env, mux, res_low, res_high);
1925 * Translate an ASM node.
1927 static void lower_ASM(ir_node *asmn, ir_mode *mode, lower_env_t *env)
1929 ir_mode *his = env->high_signed;
1930 ir_mode *hiu = env->high_unsigned;
1936 for (i = get_irn_arity(asmn) - 1; i >= 0; --i) {
1937 ir_mode *op_mode = get_irn_mode(get_irn_n(asmn, i));
1938 if (op_mode == his || op_mode == hiu) {
1939 panic("lowering ASM unimplemented");
1946 n = (ir_node*)get_irn_link(n);
1950 proj_mode = get_irn_mode(n);
1951 if (proj_mode == his || proj_mode == hiu) {
1952 panic("lowering ASM unimplemented");
1958 * Translate a Sel node.
1960 static void lower_Sel(ir_node *sel, ir_mode *mode, lower_env_t *env)
1964 /* we must only lower value parameter Sels if we change the
1965 value parameter type. */
1966 if (env->value_param_tp != NULL) {
1967 ir_entity *ent = get_Sel_entity(sel);
1968 if (get_entity_owner(ent) == env->value_param_tp) {
1969 int pos = get_entity_arg_idx(ent);
1971 ent = get_method_value_param_ent(env->l_mtp, pos);
1972 set_Sel_entity(sel, ent);
1978 * check for opcodes that must always be lowered.
1980 static bool always_lower(unsigned code)
1998 * Compare two op_mode_entry_t's.
2000 static int cmp_op_mode(const void *elt, const void *key, size_t size)
2002 const op_mode_entry_t *e1 = (const op_mode_entry_t*)elt;
2003 const op_mode_entry_t *e2 = (const op_mode_entry_t*)key;
2006 return (e1->op != e2->op) | (e1->imode != e2->imode) | (e1->omode != e2->omode);
2010 * Compare two conv_tp_entry_t's.
2012 static int cmp_conv_tp(const void *elt, const void *key, size_t size)
2014 const conv_tp_entry_t *e1 = (const conv_tp_entry_t*)elt;
2015 const conv_tp_entry_t *e2 = (const conv_tp_entry_t*)key;
2018 return (e1->imode != e2->imode) | (e1->omode != e2->omode);
2022 * Enter a lowering function into an ir_op.
2024 static void enter_lower_func(ir_op *op, lower_func func)
2026 op->ops.generic = (op_func)func;
2030 * Returns non-zero if a method type must be lowered.
2032 * @param mtp the method type
2034 static bool mtp_must_be_lowered(lower_env_t *env, ir_type *mtp)
2036 int n_params = get_method_n_params(mtp);
2039 /* first check if we have parameters that must be fixed */
2040 for (i = 0; i < n_params; ++i) {
2041 ir_type *tp = get_method_param_type(mtp, i);
2043 if (is_Primitive_type(tp)) {
2044 ir_mode *mode = get_type_mode(tp);
2046 if (mode == env->high_signed ||
2047 mode == env->high_unsigned)
2054 /* Determine which modes need to be lowered */
2055 static void setup_modes(lower_env_t *env)
2057 unsigned size_bits = env->params->doubleword_size;
2058 ir_mode *doubleword_signed = NULL;
2059 ir_mode *doubleword_unsigned = NULL;
2060 size_t n_modes = get_irp_n_modes();
2061 ir_mode_arithmetic arithmetic;
2062 unsigned modulo_shift;
2065 /* search for doubleword modes... */
2066 for (i = 0; i < n_modes; ++i) {
2067 ir_mode *mode = get_irp_mode(i);
2068 if (!mode_is_int(mode))
2070 if (get_mode_size_bits(mode) != size_bits)
2072 if (mode_is_signed(mode)) {
2073 if (doubleword_signed != NULL) {
2074 /* sigh - the lowerer should really just lower all mode with
2075 * size_bits it finds. Unfortunately this required a bigger
2077 panic("multiple double word signed modes found");
2079 doubleword_signed = mode;
2081 if (doubleword_unsigned != NULL) {
2082 /* sigh - the lowerer should really just lower all mode with
2083 * size_bits it finds. Unfortunately this required a bigger
2085 panic("multiple double word unsigned modes found");
2087 doubleword_unsigned = mode;
2090 if (doubleword_signed == NULL || doubleword_unsigned == NULL) {
2091 panic("Couldn't find doubleword modes");
2094 arithmetic = get_mode_arithmetic(doubleword_signed);
2095 modulo_shift = get_mode_modulo_shift(doubleword_signed);
2097 assert(get_mode_size_bits(doubleword_unsigned) == size_bits);
2098 assert(size_bits % 2 == 0);
2099 assert(get_mode_sign(doubleword_signed) == 1);
2100 assert(get_mode_sign(doubleword_unsigned) == 0);
2101 assert(get_mode_sort(doubleword_signed) == irms_int_number);
2102 assert(get_mode_sort(doubleword_unsigned) == irms_int_number);
2103 assert(get_mode_arithmetic(doubleword_unsigned) == arithmetic);
2104 assert(get_mode_modulo_shift(doubleword_unsigned) == modulo_shift);
2106 /* try to guess a sensible modulo shift for the new mode.
2107 * (This is IMO another indication that this should really be a node
2108 * attribute instead of a mode thing) */
2109 if (modulo_shift == size_bits) {
2110 modulo_shift = modulo_shift / 2;
2111 } else if (modulo_shift == 0) {
2114 panic("Don't know what new modulo shift to use for lowered doubleword mode");
2118 /* produce lowered modes */
2119 env->high_signed = doubleword_signed;
2120 env->high_unsigned = doubleword_unsigned;
2121 env->low_signed = new_ir_mode("WS", irms_int_number, size_bits, 1,
2122 arithmetic, modulo_shift);
2123 env->low_unsigned = new_ir_mode("WU", irms_int_number, size_bits, 0,
2124 arithmetic, modulo_shift);
2127 static void enqueue_preds(lower_env_t *env, ir_node *node)
2129 int arity = get_irn_arity(node);
2132 for (i = 0; i < arity; ++i) {
2133 ir_node *pred = get_irn_n(node, i);
2134 pdeq_putr(env->waitq, pred);
2138 static void lower_node(lower_env_t *env, ir_node *node)
2146 node_entry_t *entry;
2148 if (irn_visited(node))
2150 mark_irn_visited(node);
2152 /* cycles are always broken at Phi and Block nodes. So we don't need special
2153 * magic in all the other lower functions */
2154 if (is_Block(node)) {
2155 enqueue_preds(env, node);
2157 } else if (is_Phi(node)) {
2158 lower_Phi(env, node);
2162 /* depth-first: descend into operands */
2163 if (!is_Block(node)) {
2164 ir_node *block = get_nodes_block(node);
2165 lower_node(env, block);
2168 arity = get_irn_arity(node);
2169 for (i = 0; i < arity; ++i) {
2170 ir_node *pred = get_irn_n(node, i);
2171 lower_node(env, pred);
2174 op = get_irn_op(node);
2175 func = (lower_func) op->ops.generic;
2179 idx = get_irn_idx(node);
2180 entry = idx < env->n_entries ? env->entries[idx] : NULL;
2181 if (entry != NULL || always_lower(get_irn_opcode(node))) {
2182 mode = get_irn_op_mode(node);
2183 if (mode == env->high_signed) {
2184 mode = env->low_signed;
2186 mode = env->low_unsigned;
2188 DB((dbg, LEVEL_1, " %+F\n", node));
2189 func(node, mode, env);
2193 static void lower_irg(lower_env_t *env, ir_graph *irg)
2199 obstack_init(&env->obst);
2201 n_idx = get_irg_last_idx(irg);
2202 n_idx = n_idx + (n_idx >> 2); /* add 25% */
2203 env->n_entries = n_idx;
2204 env->entries = NEW_ARR_F(node_entry_t*, n_idx);
2205 memset(env->entries, 0, sizeof(env->entries[0]) * n_idx);
2210 env->proj_2_block = pmap_create();
2211 env->value_param_tp = NULL;
2213 ent = get_irg_entity(irg);
2214 mtp = get_entity_type(ent);
2216 if (mtp_must_be_lowered(env, mtp)) {
2217 ir_type *ltp = lower_mtp(env, mtp);
2218 env->flags |= MUST_BE_LOWERED;
2219 set_entity_type(ent, ltp);
2221 env->value_param_tp = get_method_value_param_type(mtp);
2224 /* first step: link all nodes and allocate data */
2225 ir_reserve_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
2226 irg_walk_graph(irg, firm_clear_node_and_phi_links,
2227 prepare_links_and_handle_rotl, env);
2229 if (env->flags & MUST_BE_LOWERED) {
2231 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
2232 inc_irg_visited(irg);
2234 assert(pdeq_empty(env->waitq));
2235 pdeq_putr(env->waitq, get_irg_end(irg));
2237 env->lowered_phis = NEW_ARR_F(ir_node*, 0);
2238 while (!pdeq_empty(env->waitq)) {
2239 ir_node *node = (ir_node*)pdeq_getl(env->waitq);
2240 lower_node(env, node);
2243 /* we need to fixup phis */
2244 for (i = 0; i < ARR_LEN(env->lowered_phis); ++i) {
2245 ir_node *phi = env->lowered_phis[i];
2246 fixup_phi(env, phi);
2248 DEL_ARR_F(env->lowered_phis);
2251 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
2253 /* outs are invalid, we changed the graph */
2254 set_irg_outs_inconsistent(irg);
2256 if (env->flags & CF_CHANGED) {
2257 /* control flow changed, dominance info is invalid */
2258 set_irg_doms_inconsistent(irg);
2259 set_irg_extblk_inconsistent(irg);
2260 set_irg_loopinfo_inconsistent(irg);
2264 ir_free_resources(irg, IR_RESOURCE_PHI_LIST | IR_RESOURCE_IRN_LINK);
2266 pmap_destroy(env->proj_2_block);
2267 DEL_ARR_F(env->entries);
2268 obstack_free(&env->obst, NULL);
2274 void lower_dw_ops(const lwrdw_param_t *param)
2279 assert(param != NULL);
2280 FIRM_DBG_REGISTER(dbg, "firm.lower.dw");
2282 memset(&lenv, 0, sizeof(lenv));
2283 lenv.params = param;
2286 /* create the necessary maps */
2287 if (! intrinsic_fkt)
2288 intrinsic_fkt = new_set(cmp_op_mode, iro_Last + 1);
2290 conv_types = new_set(cmp_conv_tp, 16);
2292 lowered_type = pmap_create();
2294 /* create a primitive unsigned and signed type */
2296 tp_u = get_type_for_mode(lenv.low_unsigned);
2298 tp_s = get_type_for_mode(lenv.low_signed);
2300 /* create method types for the created binop calls */
2302 binop_tp_u = new_type_method(4, 2);
2303 set_method_param_type(binop_tp_u, 0, tp_u);
2304 set_method_param_type(binop_tp_u, 1, tp_u);
2305 set_method_param_type(binop_tp_u, 2, tp_u);
2306 set_method_param_type(binop_tp_u, 3, tp_u);
2307 set_method_res_type(binop_tp_u, 0, tp_u);
2308 set_method_res_type(binop_tp_u, 1, tp_u);
2311 binop_tp_s = new_type_method(4, 2);
2312 set_method_param_type(binop_tp_s, 0, tp_u);
2313 set_method_param_type(binop_tp_s, 1, tp_s);
2314 set_method_param_type(binop_tp_s, 2, tp_u);
2315 set_method_param_type(binop_tp_s, 3, tp_s);
2316 set_method_res_type(binop_tp_s, 0, tp_u);
2317 set_method_res_type(binop_tp_s, 1, tp_s);
2319 if (! shiftop_tp_u) {
2320 shiftop_tp_u = new_type_method(3, 2);
2321 set_method_param_type(shiftop_tp_u, 0, tp_u);
2322 set_method_param_type(shiftop_tp_u, 1, tp_u);
2323 set_method_param_type(shiftop_tp_u, 2, tp_u);
2324 set_method_res_type(shiftop_tp_u, 0, tp_u);
2325 set_method_res_type(shiftop_tp_u, 1, tp_u);
2327 if (! shiftop_tp_s) {
2328 shiftop_tp_s = new_type_method(3, 2);
2329 set_method_param_type(shiftop_tp_s, 0, tp_u);
2330 set_method_param_type(shiftop_tp_s, 1, tp_s);
2331 set_method_param_type(shiftop_tp_s, 2, tp_u);
2332 set_method_res_type(shiftop_tp_s, 0, tp_u);
2333 set_method_res_type(shiftop_tp_s, 1, tp_s);
2336 unop_tp_u = new_type_method(2, 2);
2337 set_method_param_type(unop_tp_u, 0, tp_u);
2338 set_method_param_type(unop_tp_u, 1, tp_u);
2339 set_method_res_type(unop_tp_u, 0, tp_u);
2340 set_method_res_type(unop_tp_u, 1, tp_u);
2343 unop_tp_s = new_type_method(2, 2);
2344 set_method_param_type(unop_tp_s, 0, tp_u);
2345 set_method_param_type(unop_tp_s, 1, tp_s);
2346 set_method_res_type(unop_tp_s, 0, tp_u);
2347 set_method_res_type(unop_tp_s, 1, tp_s);
2350 clear_irp_opcodes_generic_func();
2351 enter_lower_func(op_Add, lower_binop);
2352 enter_lower_func(op_And, lower_And);
2353 enter_lower_func(op_ASM, lower_ASM);
2354 enter_lower_func(op_Call, lower_Call);
2355 enter_lower_func(op_Cond, lower_Cond);
2356 enter_lower_func(op_Const, lower_Const);
2357 enter_lower_func(op_Conv, lower_Conv);
2358 enter_lower_func(op_Div, lower_Div);
2359 enter_lower_func(op_Eor, lower_Eor);
2360 enter_lower_func(op_Load, lower_Load);
2361 enter_lower_func(op_Minus, lower_Unop);
2362 enter_lower_func(op_Mod, lower_Mod);
2363 enter_lower_func(op_Mul, lower_binop);
2364 enter_lower_func(op_Mux, lower_Mux);
2365 enter_lower_func(op_Not, lower_Not);
2366 enter_lower_func(op_Or, lower_Or);
2367 enter_lower_func(op_Proj, lower_Proj);
2368 enter_lower_func(op_Return, lower_Return);
2369 enter_lower_func(op_Sel, lower_Sel);
2370 enter_lower_func(op_Shl, lower_Shl);
2371 enter_lower_func(op_Shr, lower_Shr);
2372 enter_lower_func(op_Shrs, lower_Shrs);
2373 enter_lower_func(op_Start, lower_Start);
2374 enter_lower_func(op_Store, lower_Store);
2375 enter_lower_func(op_Sub, lower_binop);
2376 enter_lower_func(op_Unknown, lower_Unknown);
2378 lenv.tv_mode_bytes = new_tarval_from_long(param->doubleword_size/(2*8), lenv.low_unsigned);
2379 lenv.tv_mode_bits = new_tarval_from_long(param->doubleword_size/2, lenv.low_unsigned);
2380 lenv.waitq = new_pdeq();
2381 lenv.first_id = new_id_from_chars(param->little_endian ? ".l" : ".h", 2);
2382 lenv.next_id = new_id_from_chars(param->little_endian ? ".h" : ".l", 2);
2384 /* transform all graphs */
2385 for (i = 0, n = get_irp_n_irgs(); i < n; ++i) {
2386 ir_graph *irg = get_irp_irg(i);
2387 lower_irg(&lenv, irg);
2389 del_pdeq(lenv.waitq);
2392 /* Default implementation. */
2393 ir_entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op,
2394 const ir_mode *imode, const ir_mode *omode,
2402 if (imode == omode) {
2403 snprintf(buf, sizeof(buf), "__l%s%s", get_op_name(op), get_mode_name(imode));
2405 snprintf(buf, sizeof(buf), "__l%s%s%s", get_op_name(op),
2406 get_mode_name(imode), get_mode_name(omode));
2408 id = new_id_from_str(buf);
2410 ent = new_entity(get_glob_type(), id, method);
2411 set_entity_ld_ident(ent, get_entity_ident(ent));