2 * Copyright (C) 1995-2010 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief code selection (transform FIRM into SPARC FIRM)
28 #include "irgraph_t.h"
40 #include "../benode.h"
42 #include "../beutil.h"
43 #include "../betranshlp.h"
44 #include "../beabihelper.h"
45 #include "bearch_sparc_t.h"
47 #include "sparc_nodes_attr.h"
48 #include "sparc_transform.h"
49 #include "sparc_new_nodes.h"
50 #include "gen_sparc_new_nodes.h"
52 #include "gen_sparc_regalloc_if.h"
53 #include "sparc_cconv.h"
57 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
59 static sparc_code_gen_t *env_cg;
60 static beabi_helper_env_t *abihelper;
61 static const arch_register_t *sp_reg = &sparc_gp_regs[REG_SP];
62 static const arch_register_t *fp_reg = &sparc_gp_regs[REG_FRAME_POINTER];
63 static calling_convention_t *cconv = NULL;
64 static ir_mode *mode_gp;
65 static ir_mode *mode_fp;
66 static pmap *node_to_stack;
68 static ir_node *gen_SymConst(ir_node *node);
71 static inline int mode_needs_gp_reg(ir_mode *mode)
73 return mode_is_int(mode) || mode_is_reference(mode);
77 * Create an And that will zero out upper bits.
79 * @param dbgi debug info
80 * @param block the basic block
81 * @param op the original node
82 * @param src_bits number of lower bits that will remain
84 static ir_node *gen_zero_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
88 return new_bd_sparc_And_imm(dbgi, block, op, 0xFF);
89 } else if (src_bits == 16) {
90 ir_node *lshift = new_bd_sparc_Sll_imm(dbgi, block, op, 16);
91 ir_node *rshift = new_bd_sparc_Slr_imm(dbgi, block, lshift, 16);
94 panic("zero extension only supported for 8 and 16 bits");
99 * Generate code for a sign extension.
101 * @param dbgi debug info
102 * @param block the basic block
103 * @param op the original node
104 * @param src_bits number of lower bits that will remain
106 static ir_node *gen_sign_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
109 int shift_width = 32 - src_bits;
110 ir_node *lshift_node = new_bd_sparc_Sll_imm(dbgi, block, op, shift_width);
111 ir_node *rshift_node = new_bd_sparc_Sra_imm(dbgi, block, lshift_node, shift_width);
116 * returns true if it is assured, that the upper bits of a node are "clean"
117 * which means for a 16 or 8 bit value, that the upper bits in the register
118 * are 0 for unsigned and a copy of the last significant bit for signed
121 static bool upper_bits_clean(ir_node *transformed_node, ir_mode *mode)
123 (void) transformed_node;
130 * Extend a value to 32 bit signed/unsigned depending on its mode.
132 * @param dbgi debug info
133 * @param block the basic block
134 * @param op the original node
135 * @param orig_mode the original mode of op
137 static ir_node *gen_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
140 int bits = get_mode_size_bits(orig_mode);
144 if (mode_is_signed(orig_mode)) {
145 return gen_sign_extension(dbgi, block, op, bits);
147 return gen_zero_extension(dbgi, block, op, bits);
152 * Creates a possible DAG for a constant.
154 static ir_node *create_const_graph_value(dbg_info *dbgi, ir_node *block,
159 /* we need to load hi & lo separately */
160 if (value < -4096 || value > 4095) {
161 ir_node *hi = new_bd_sparc_HiImm(dbgi, block, (int) value);
162 result = new_bd_sparc_LoImm(dbgi, block, hi, value);
165 result = new_bd_sparc_Mov_imm(dbgi, block, (int) value);
166 be_dep_on_frame(result);
173 * Create a DAG constructing a given Const.
175 * @param irn a Firm const
177 static ir_node *create_const_graph(ir_node *irn, ir_node *block)
179 tarval *tv = get_Const_tarval(irn);
180 ir_mode *mode = get_tarval_mode(tv);
181 dbg_info *dbgi = get_irn_dbg_info(irn);
185 if (mode_is_reference(mode)) {
186 /* SPARC V8 is 32bit, so we can safely convert a reference tarval into Iu */
187 assert(get_mode_size_bits(mode) == get_mode_size_bits(mode_gp));
188 tv = tarval_convert_to(tv, mode_gp);
191 value = get_tarval_long(tv);
192 return create_const_graph_value(dbgi, block, value);
197 MATCH_COMMUTATIVE = 1 << 0, /**< commutative operation. */
198 MATCH_SIZE_NEUTRAL = 1 << 1,
201 typedef ir_node* (*new_binop_reg_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2);
202 typedef ir_node* (*new_binop_fp_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode);
203 typedef ir_node* (*new_binop_imm_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, int simm13);
206 * checks if a node's value can be encoded as a immediate
209 static bool is_imm_encodeable(const ir_node *node)
213 //assert(mode_is_float_vector(get_irn_mode(node)));
218 val = get_tarval_long(get_Const_tarval(node));
220 return -4096 <= val && val <= 4095;
224 * helper function for binop operations
226 * @param new_reg register generation function ptr
227 * @param new_imm immediate generation function ptr
229 static ir_node *gen_helper_binop(ir_node *node, match_flags_t flags,
230 new_binop_reg_func new_reg, new_binop_imm_func new_imm)
232 ir_node *block = be_transform_node(get_nodes_block(node));
233 ir_node *op1 = get_binop_left(node);
235 ir_node *op2 = get_binop_right(node);
237 dbg_info *dbgi = get_irn_dbg_info(node);
239 if (is_imm_encodeable(op2)) {
240 ir_node *new_op1 = be_transform_node(op1);
241 return new_imm(dbgi, block, new_op1, get_tarval_long(get_Const_tarval(op2)));
244 new_op2 = be_transform_node(op2);
246 if ((flags & MATCH_COMMUTATIVE) && is_imm_encodeable(op1)) {
247 return new_imm(dbgi, block, new_op2, get_tarval_long(get_Const_tarval(op1)) );
250 new_op1 = be_transform_node(op1);
252 return new_reg(dbgi, block, new_op1, new_op2);
256 * helper function for FP binop operations
258 static ir_node *gen_helper_binfpop(ir_node *node, ir_mode *mode,
259 new_binop_fp_func new_func)
261 ir_node *block = be_transform_node(get_nodes_block(node));
262 ir_node *op1 = get_binop_left(node);
263 ir_node *new_op1 = be_transform_node(op1);
264 ir_node *op2 = get_binop_right(node);
265 ir_node *new_op2 = be_transform_node(op2);
266 dbg_info *dbgi = get_irn_dbg_info(node);
268 return new_func(dbgi, block, new_op1, new_op2, mode);
272 * Creates an sparc Add.
274 * @param node FIRM node
275 * @return the created sparc Add node
277 static ir_node *gen_Add(ir_node *node)
279 ir_mode *mode = get_irn_mode(node);
281 if (mode_is_float(mode)) {
282 return gen_helper_binfpop(node, mode, new_bd_sparc_fadd);
285 return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL, new_bd_sparc_Add_reg, new_bd_sparc_Add_imm);
289 * Creates an sparc Sub.
291 * @param node FIRM node
292 * @return the created sparc Sub node
294 static ir_node *gen_Sub(ir_node *node)
296 ir_mode *mode = get_irn_mode(node);
298 if (mode_is_float(mode)) {
299 return gen_helper_binfpop(node, mode, new_bd_sparc_fsub);
302 return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Sub_reg, new_bd_sparc_Sub_imm);
308 * @param node the ir Load node
309 * @return the created sparc Load node
311 static ir_node *gen_Load(ir_node *node)
313 ir_mode *mode = get_Load_mode(node);
314 ir_node *block = be_transform_node(get_nodes_block(node));
315 ir_node *ptr = get_Load_ptr(node);
316 ir_node *new_ptr = be_transform_node(ptr);
317 ir_node *mem = get_Load_mem(node);
318 ir_node *new_mem = be_transform_node(mem);
319 dbg_info *dbgi = get_irn_dbg_info(node);
320 ir_node *new_load = NULL;
322 if (mode_is_float(mode)) {
323 new_load = new_bd_sparc_Ldf(dbgi, block, new_ptr, new_mem, mode, NULL, 0, 0, false);
325 new_load = new_bd_sparc_Ld(dbgi, block, new_ptr, new_mem, mode, NULL, 0, 0, false);
327 set_irn_pinned(new_load, get_irn_pinned(node));
333 * Transforms a Store.
335 * @param node the ir Store node
336 * @return the created sparc Store node
338 static ir_node *gen_Store(ir_node *node)
340 ir_node *block = be_transform_node(get_nodes_block(node));
341 ir_node *ptr = get_Store_ptr(node);
342 ir_node *new_ptr = be_transform_node(ptr);
343 ir_node *mem = get_Store_mem(node);
344 ir_node *new_mem = be_transform_node(mem);
345 ir_node *val = get_Store_value(node);
346 ir_node *new_val = be_transform_node(val);
347 ir_mode *mode = get_irn_mode(val);
348 dbg_info *dbgi = get_irn_dbg_info(node);
349 ir_node *new_store = NULL;
351 if (mode_is_float(mode)) {
352 new_store = new_bd_sparc_Stf(dbgi, block, new_ptr, new_val, new_mem, mode, NULL, 0, 0, false);
354 new_store = new_bd_sparc_St(dbgi, block, new_ptr, new_val, new_mem, mode, NULL, 0, 0, false);
356 set_irn_pinned(new_store, get_irn_pinned(node));
362 * Creates an sparc Mul.
363 * returns the lower 32bits of the 64bit multiply result
365 * @return the created sparc Mul node
367 static ir_node *gen_Mul(ir_node *node)
369 ir_mode *mode = get_irn_mode(node);
370 if (mode_is_float(mode)) {
371 return gen_helper_binfpop(node, mode, new_bd_sparc_fmul);
374 assert(mode_is_data(mode));
375 return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL,
376 new_bd_sparc_Mul_reg, new_bd_sparc_Mul_imm);
380 * Creates an sparc Mulh.
381 * Mulh returns the upper 32bits of a mul instruction
383 * @return the created sparc Mulh node
385 static ir_node *gen_Mulh(ir_node *node)
387 ir_mode *mode = get_irn_mode(node);
389 ir_node *proj_res_hi;
391 if (mode_is_float(mode))
392 panic("FP not supported yet");
395 assert(mode_is_data(mode));
396 mul = gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL, new_bd_sparc_Mulh_reg, new_bd_sparc_Mulh_imm);
397 //arch_irn_add_flags(mul, arch_irn_flags_modify_flags);
398 proj_res_hi = new_r_Proj(mul, mode_gp, pn_sparc_Mulh_low);
403 * Creates an sparc Div.
405 * @return the created sparc Div node
407 static ir_node *gen_Div(ir_node *node)
409 ir_mode *mode = get_Div_resmode(node);
412 assert(!mode_is_float(mode));
413 if (mode_is_signed(mode)) {
414 res = gen_helper_binop(node, 0, new_bd_sparc_SDiv_reg,
415 new_bd_sparc_SDiv_imm);
417 res = gen_helper_binop(node, 0, new_bd_sparc_UDiv_reg,
418 new_bd_sparc_UDiv_imm);
423 static ir_node *gen_Quot(ir_node *node)
425 ir_mode *mode = get_Quot_resmode(node);
426 assert(mode_is_float(mode));
427 return gen_helper_binfpop(node, mode, new_bd_sparc_fdiv);
431 * transform abs node:
439 static ir_node *gen_Abs(ir_node *node) {
440 ir_node *block = be_transform_node(get_nodes_block(node));
441 ir_mode *mode = get_irn_mode(node);
442 dbg_info *dbgi = get_irn_dbg_info(node);
443 ir_node *op = get_Abs_op(node);
445 ir_node *mov, *sra, *xor, *sub, *new_op;
447 if (mode_is_float(mode))
448 panic("FP not supported yet");
450 new_op = be_transform_node(op);
452 mov = new_bd_sparc_Mov_reg(dbgi, block, new_op);
453 sra = new_bd_sparc_Sra_imm(dbgi, block, mov, 31);
454 xor = new_bd_sparc_Xor_reg(dbgi, block, new_op, sra);
455 sub = new_bd_sparc_Sub_reg(dbgi, block, sra, xor);
461 * Transforms a Not node.
463 * @return the created sparc Not node
465 static ir_node *gen_Not(ir_node *node)
467 ir_node *block = be_transform_node(get_nodes_block(node));
468 ir_node *op = get_Not_op(node);
469 ir_node *new_op = be_transform_node(op);
470 dbg_info *dbgi = get_irn_dbg_info(node);
472 return new_bd_sparc_Not(dbgi, block, new_op);
475 static ir_node *gen_And(ir_node *node)
477 return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_And_reg, new_bd_sparc_And_imm);
480 static ir_node *gen_Or(ir_node *node)
482 return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Or_reg, new_bd_sparc_Or_imm);
485 static ir_node *gen_Eor(ir_node *node)
487 return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Xor_reg, new_bd_sparc_Xor_imm);
490 static ir_node *gen_Shl(ir_node *node)
492 return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Sll_reg, new_bd_sparc_Sll_imm);
495 static ir_node *gen_Shr(ir_node *node)
497 return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Slr_reg, new_bd_sparc_Slr_imm);
500 static ir_node *gen_Shrs(ir_node *node)
502 return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Sra_reg, new_bd_sparc_Sra_imm);
506 * Transforms a Minus node.
508 static ir_node *gen_Minus(ir_node *node)
510 ir_node *block = be_transform_node(get_nodes_block(node));
511 ir_node *op = get_Minus_op(node);
512 ir_node *new_op = be_transform_node(op);
513 dbg_info *dbgi = get_irn_dbg_info(node);
514 ir_mode *mode = get_irn_mode(node);
516 if (mode_is_float(mode)) {
517 return new_bd_sparc_fneg(dbgi, block, new_op, mode);
520 return new_bd_sparc_Minus(dbgi, block, new_op);
523 static ir_node *make_addr(dbg_info *dbgi, ir_entity *entity)
525 ir_node *block = get_irg_start_block(current_ir_graph);
526 ir_node *node = new_bd_sparc_SymConst(dbgi, block, entity);
527 be_dep_on_frame(node);
532 * Create an entity for a given (floating point) tarval
534 static ir_entity *create_float_const_entity(tarval *tv)
536 ir_entity *entity = (ir_entity*) pmap_get(env_cg->constants, tv);
537 ir_initializer_t *initializer;
545 mode = get_tarval_mode(tv);
546 type = get_type_for_mode(mode);
547 glob = get_glob_type();
548 entity = new_entity(glob, id_unique("C%u"), type);
549 set_entity_visibility(entity, ir_visibility_private);
550 add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
552 initializer = create_initializer_tarval(tv);
553 set_entity_initializer(entity, initializer);
555 pmap_insert(env_cg->constants, tv, entity);
560 * Transforms a Const node.
562 * @param node the ir Const node
563 * @return The transformed sparc node.
565 static ir_node *gen_Const(ir_node *node)
567 ir_node *block = be_transform_node(get_nodes_block(node));
568 ir_mode *mode = get_irn_mode(node);
570 if (mode_is_float(mode)) {
571 dbg_info *dbgi = get_irn_dbg_info(node);
572 tarval *tv = get_Const_tarval(node);
573 ir_entity *entity = create_float_const_entity(tv);
574 ir_node *addr = make_addr(dbgi, entity);
575 ir_node *mem = new_NoMem();
577 = new_bd_sparc_Ldf(dbgi, block, addr, mem, mode, NULL, 0, 0, false);
579 ir_node *proj = new_Proj(new_op, mode, pn_sparc_Ldf_res);
583 return create_const_graph(node, block);
588 * @param node the ir AddSP node
589 * @return transformed sparc SAVE node
591 static ir_node *gen_be_AddSP(ir_node *node)
593 ir_node *block = be_transform_node(get_nodes_block(node));
594 ir_node *sz = get_irn_n(node, be_pos_AddSP_size);
595 ir_node *new_sz = be_transform_node(sz);
596 ir_node *sp = get_irn_n(node, be_pos_AddSP_old_sp);
597 ir_node *new_sp = be_transform_node(sp);
598 dbg_info *dbgi = get_irn_dbg_info(node);
599 ir_node *nomem = new_NoMem();
602 /* SPARC stack grows in reverse direction */
603 new_op = new_bd_sparc_SubSP(dbgi, block, new_sp, new_sz, nomem);
610 * @param node the ir SubSP node
611 * @return transformed sparc SAVE node
613 static ir_node *gen_be_SubSP(ir_node *node)
615 ir_node *block = be_transform_node(get_nodes_block(node));
616 ir_node *sz = get_irn_n(node, be_pos_SubSP_size);
617 ir_node *new_sz = be_transform_node(sz);
618 ir_node *sp = get_irn_n(node, be_pos_SubSP_old_sp);
619 ir_node *new_sp = be_transform_node(sp);
620 dbg_info *dbgi = get_irn_dbg_info(node);
621 ir_node *nomem = new_NoMem();
624 /* SPARC stack grows in reverse direction */
625 new_op = new_bd_sparc_AddSP(dbgi, block, new_sp, new_sz, nomem);
630 * transform FrameAddr
632 static ir_node *gen_be_FrameAddr(ir_node *node)
634 ir_node *block = be_transform_node(get_nodes_block(node));
635 ir_entity *ent = be_get_frame_entity(node);
636 ir_node *fp = be_get_FrameAddr_frame(node);
637 ir_node *new_fp = be_transform_node(fp);
638 dbg_info *dbgi = get_irn_dbg_info(node);
640 new_node = new_bd_sparc_FrameAddr(dbgi, block, new_fp, ent);
645 * Transform a be_Copy.
647 static ir_node *gen_be_Copy(ir_node *node)
649 ir_node *result = be_duplicate_node(node);
650 ir_mode *mode = get_irn_mode(result);
652 if (mode_needs_gp_reg(mode)) {
653 set_irn_mode(node, mode_gp);
662 static ir_node *gen_be_Call(ir_node *node)
664 ir_node *res = be_duplicate_node(node);
665 arch_irn_add_flags(res, arch_irn_flags_modify_flags);
670 * Transforms a Switch.
673 static ir_node *gen_SwitchJmp(ir_node *node)
675 ir_node *block = be_transform_node(get_nodes_block(node));
676 ir_node *selector = get_Cond_selector(node);
677 dbg_info *dbgi = get_irn_dbg_info(node);
678 ir_node *new_op = be_transform_node(selector);
679 ir_node *const_graph;
683 const ir_edge_t *edge;
690 foreach_out_edge(node, edge) {
691 proj = get_edge_src_irn(edge);
692 assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
694 pn = get_Proj_proj(proj);
696 min = pn<min ? pn : min;
697 max = pn>max ? pn : max;
701 n_projs = max - translation + 1;
703 foreach_out_edge(node, edge) {
704 proj = get_edge_src_irn(edge);
705 assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
707 pn = get_Proj_proj(proj) - translation;
708 set_Proj_proj(proj, pn);
711 const_graph = create_const_graph_value(dbgi, block, translation);
712 sub = new_bd_sparc_Sub_reg(dbgi, block, new_op, const_graph);
713 return new_bd_sparc_SwitchJmp(dbgi, block, sub, n_projs, get_Cond_default_proj(node) - translation);
716 static bool is_cmp_unsigned(ir_node *b_value)
721 if (!is_Proj(b_value))
722 panic("can't determine cond signednes");
723 pred = get_Proj_pred(b_value);
725 panic("can't determine cond signednes (no cmp)");
726 op = get_Cmp_left(pred);
727 return !mode_is_signed(get_irn_mode(op));
731 * Transform Cond nodes
733 static ir_node *gen_Cond(ir_node *node)
735 ir_node *selector = get_Cond_selector(node);
736 ir_mode *mode = get_irn_mode(selector);
744 if (mode != mode_b) {
745 return gen_SwitchJmp(node);
748 // regular if/else jumps
749 assert(is_Proj(selector));
750 assert(is_Cmp(get_Proj_pred(selector)));
752 block = be_transform_node(get_nodes_block(node));
753 dbgi = get_irn_dbg_info(node);
754 flag_node = be_transform_node(get_Proj_pred(selector));
755 pnc = get_Proj_proj(selector);
756 is_unsigned = is_cmp_unsigned(selector);
757 return new_bd_sparc_BXX(dbgi, block, flag_node, pnc, is_unsigned);
763 static ir_node *gen_Cmp(ir_node *node)
765 ir_node *block = be_transform_node(get_nodes_block(node));
766 ir_node *op1 = get_Cmp_left(node);
767 ir_node *op2 = get_Cmp_right(node);
768 ir_mode *cmp_mode = get_irn_mode(op1);
769 dbg_info *dbgi = get_irn_dbg_info(node);
770 ir_node *new_op1 = be_transform_node(op1);
771 ir_node *new_op2 = be_transform_node(op2);
773 if (mode_is_float(cmp_mode)) {
774 panic("FloatCmp not implemented");
777 assert(get_irn_mode(op2) == cmp_mode);
780 /* compare with 0 can be done with Tst */
781 if (is_Const(op2) && tarval_is_null(get_Const_tarval(op2))) {
782 new_op1 = be_transform_node(op1);
783 return new_bd_sparc_Tst(dbgi, block, new_op1, false,
787 if (is_Const(op1) && tarval_is_null(get_Const_tarval(op1))) {
788 new_op2 = be_transform_node(op2);
789 return new_bd_sparc_Tst(dbgi, block, new_op2, true,
794 /* integer compare */
795 new_op1 = gen_extension(dbgi, block, new_op1, cmp_mode);
796 new_op2 = gen_extension(dbgi, block, new_op2, cmp_mode);
797 return new_bd_sparc_Cmp_reg(dbgi, block, new_op1, new_op2);
801 * Transforms a SymConst node.
803 static ir_node *gen_SymConst(ir_node *node)
805 ir_entity *entity = get_SymConst_entity(node);
806 dbg_info *dbgi = get_irn_dbg_info(node);
808 return make_addr(dbgi, entity);
812 * Transforms a Conv node.
815 static ir_node *gen_Conv(ir_node *node)
817 ir_node *block = be_transform_node(get_nodes_block(node));
818 ir_node *op = get_Conv_op(node);
819 ir_node *new_op = be_transform_node(op);
820 ir_mode *src_mode = get_irn_mode(op);
821 ir_mode *dst_mode = get_irn_mode(node);
822 dbg_info *dbg = get_irn_dbg_info(node);
824 int src_bits = get_mode_size_bits(src_mode);
825 int dst_bits = get_mode_size_bits(dst_mode);
827 if (src_mode == dst_mode)
830 if (mode_is_float(src_mode) || mode_is_float(dst_mode)) {
831 assert((src_bits <= 64 && dst_bits <= 64) && "quad FP not implemented");
833 if (mode_is_float(src_mode)) {
834 if (mode_is_float(dst_mode)) {
835 /* float -> float conv */
836 return new_bd_sparc_fftof(dbg, block, new_op, src_mode, dst_mode);
838 /* float -> int conv */
839 if (!mode_is_signed(dst_mode))
840 panic("float to unsigned not implemented yet");
841 return new_bd_sparc_fftoi(dbg, block, new_op, src_mode);
844 /* int -> float conv */
845 if (!mode_is_signed(src_mode))
846 panic("unsigned to float not implemented yet");
847 return new_bd_sparc_fitof(dbg, block, new_op, dst_mode);
849 } else { /* complete in gp registers */
853 if (src_bits == dst_bits) {
854 /* kill unnecessary conv */
858 if (src_bits < dst_bits) {
866 if (upper_bits_clean(new_op, min_mode)) {
870 if (mode_is_signed(min_mode)) {
871 return gen_sign_extension(dbg, block, new_op, min_bits);
873 return gen_zero_extension(dbg, block, new_op, min_bits);
878 static ir_node *gen_Unknown(ir_node *node)
880 ir_node *block = get_nodes_block(node);
881 ir_node *new_block = be_transform_node(block);
882 dbg_info *dbgi = get_irn_dbg_info(node);
884 /* just produce a 0 */
885 ir_mode *mode = get_irn_mode(node);
886 if (mode_is_float(mode)) {
887 panic("FP not implemented");
888 be_dep_on_frame(node);
890 } else if (mode_needs_gp_reg(mode)) {
891 return create_const_graph_value(dbgi, new_block, 0);
894 panic("Unexpected Unknown mode");
898 * Produces the type which sits between the stack args and the locals on the
901 static ir_type *sparc_get_between_type(void)
903 static ir_type *between_type = NULL;
905 if (between_type == NULL) {
906 between_type = new_type_class(new_id_from_str("sparc_between_type"));
907 set_type_size_bytes(between_type, SPARC_MIN_STACKSIZE);
913 static void create_stacklayout(ir_graph *irg)
915 ir_entity *entity = get_irg_entity(irg);
916 ir_type *function_type = get_entity_type(entity);
917 be_stack_layout_t *layout = be_get_irg_stack_layout(irg);
922 /* calling conventions must be decided by now */
923 assert(cconv != NULL);
925 /* construct argument type */
926 arg_type = new_type_struct(id_mangle_u(get_entity_ident(entity), new_id_from_chars("arg_type", 8)));
927 n_params = get_method_n_params(function_type);
928 for (p = 0; p < n_params; ++p) {
929 reg_or_stackslot_t *param = &cconv->parameters[p];
933 if (param->type == NULL)
936 snprintf(buf, sizeof(buf), "param_%d", p);
937 id = new_id_from_str(buf);
938 param->entity = new_entity(arg_type, id, param->type);
939 set_entity_offset(param->entity, param->offset);
942 memset(layout, 0, sizeof(*layout));
944 layout->frame_type = get_irg_frame_type(irg);
945 layout->between_type = sparc_get_between_type();
946 layout->arg_type = arg_type;
947 layout->initial_offset = 0;
948 layout->initial_bias = 0;
949 layout->stack_dir = -1;
950 layout->sp_relative = false;
952 assert(N_FRAME_TYPES == 3);
953 layout->order[0] = layout->frame_type;
954 layout->order[1] = layout->between_type;
955 layout->order[2] = layout->arg_type;
959 * transform the start node to the prolog code + initial barrier
961 static ir_node *gen_Start(ir_node *node)
963 ir_graph *irg = get_irn_irg(node);
964 ir_entity *entity = get_irg_entity(irg);
965 ir_type *function_type = get_entity_type(entity);
966 ir_node *block = get_nodes_block(node);
967 ir_node *new_block = be_transform_node(block);
968 dbg_info *dbgi = get_irn_dbg_info(node);
977 /* stackpointer is important at function prolog */
978 be_prolog_add_reg(abihelper, sp_reg,
979 arch_register_req_type_produces_sp | arch_register_req_type_ignore);
980 /* function parameters in registers */
981 for (i = 0; i < get_method_n_params(function_type); ++i) {
982 const reg_or_stackslot_t *param = &cconv->parameters[i];
983 if (param->reg0 != NULL)
984 be_prolog_add_reg(abihelper, param->reg0, 0);
985 if (param->reg1 != NULL)
986 be_prolog_add_reg(abihelper, param->reg1, 0);
989 start = be_prolog_create_start(abihelper, dbgi, new_block);
991 mem = be_prolog_get_memory(abihelper);
992 sp = be_prolog_get_reg_value(abihelper, sp_reg);
993 save = new_bd_sparc_Save(NULL, block, sp, mem, SPARC_MIN_STACKSIZE);
994 fp = new_r_Proj(save, mode_gp, pn_sparc_Save_frame);
995 sp = new_r_Proj(save, mode_gp, pn_sparc_Save_stack);
996 mem = new_r_Proj(save, mode_M, pn_sparc_Save_mem);
997 arch_set_irn_register(fp, fp_reg);
998 arch_set_irn_register(sp, sp_reg);
1000 be_prolog_add_reg(abihelper, fp_reg, arch_register_req_type_ignore);
1001 be_prolog_set_reg_value(abihelper, fp_reg, fp);
1003 sp = be_new_IncSP(sp_reg, new_block, sp, BE_STACK_FRAME_SIZE_EXPAND, 0);
1004 be_prolog_set_reg_value(abihelper, sp_reg, sp);
1005 be_prolog_set_memory(abihelper, mem);
1007 barrier = be_prolog_create_barrier(abihelper, new_block);
1012 static ir_node *get_stack_pointer_for(ir_node *node)
1014 /* get predecessor in stack_order list */
1015 ir_node *stack_pred = be_get_stack_pred(abihelper, node);
1016 ir_node *stack_pred_transformed;
1019 if (stack_pred == NULL) {
1020 /* first stack user in the current block. We can simply use the
1021 * initial sp_proj for it */
1022 ir_node *sp_proj = be_prolog_get_reg_value(abihelper, sp_reg);
1026 stack_pred_transformed = be_transform_node(stack_pred);
1027 stack = pmap_get(node_to_stack, stack_pred);
1028 if (stack == NULL) {
1029 return get_stack_pointer_for(stack_pred);
1036 * transform a Return node into epilogue code + return statement
1038 static ir_node *gen_Return(ir_node *node)
1040 ir_node *block = get_nodes_block(node);
1041 ir_node *new_block = be_transform_node(block);
1042 dbg_info *dbgi = get_irn_dbg_info(node);
1043 ir_node *mem = get_Return_mem(node);
1044 ir_node *new_mem = be_transform_node(mem);
1045 ir_node *sp_proj = get_stack_pointer_for(node);
1046 int n_res = get_Return_n_ress(node);
1051 be_epilog_begin(abihelper);
1052 be_epilog_set_memory(abihelper, new_mem);
1053 /* connect stack pointer with initial stack pointer. fix_stack phase
1054 will later serialize all stack pointer adjusting nodes */
1055 be_epilog_add_reg(abihelper, sp_reg,
1056 arch_register_req_type_produces_sp | arch_register_req_type_ignore,
1060 for (i = 0; i < n_res; ++i) {
1061 ir_node *res_value = get_Return_res(node, i);
1062 ir_node *new_res_value = be_transform_node(res_value);
1063 const reg_or_stackslot_t *slot = &cconv->results[i];
1064 const arch_register_t *reg = slot->reg0;
1065 assert(slot->reg1 == NULL);
1066 be_epilog_add_reg(abihelper, reg, 0, new_res_value);
1069 /* create the barrier before the epilog code */
1070 be_epilog_create_barrier(abihelper, new_block);
1072 /* epilog code: an incsp */
1073 sp_proj = be_epilog_get_reg_value(abihelper, sp_reg);
1074 incsp = be_new_IncSP(sp_reg, new_block, sp_proj,
1075 BE_STACK_FRAME_SIZE_SHRINK, 0);
1076 be_epilog_set_reg_value(abihelper, sp_reg, incsp);
1078 bereturn = be_epilog_create_return(abihelper, dbgi, new_block);
1083 static ir_node *bitcast_int_to_float(dbg_info *dbgi, ir_node *block,
1086 ir_graph *irg = current_ir_graph;
1087 ir_node *stack = get_irg_frame(irg);
1088 ir_node *nomem = new_NoMem();
1089 ir_node *st = new_bd_sparc_St(dbgi, block, stack, node, nomem, mode_gp,
1092 set_irn_pinned(st, op_pin_state_floats);
1094 ldf = new_bd_sparc_Ldf(dbgi, block, stack, st, mode_fp, NULL, 0, 0, true);
1095 set_irn_pinned(ldf, op_pin_state_floats);
1097 return new_Proj(ldf, mode_fp, pn_sparc_Ldf_res);
1100 static ir_node *bitcast_float_to_int(dbg_info *dbgi, ir_node *block,
1103 ir_graph *irg = current_ir_graph;
1104 ir_node *stack = get_irg_frame(irg);
1105 ir_node *nomem = new_NoMem();
1106 ir_node *stf = new_bd_sparc_Stf(dbgi, block, stack, node, nomem, mode_fp,
1109 set_irn_pinned(stf, op_pin_state_floats);
1111 ld = new_bd_sparc_Ld(dbgi, block, stack, stf, mode_gp, NULL, 0, 0, true);
1112 set_irn_pinned(ld, op_pin_state_floats);
1114 return new_Proj(ld, mode_fp, pn_sparc_Ld_res);
1117 static ir_node *gen_Call(ir_node *node)
1119 ir_graph *irg = get_irn_irg(node);
1120 ir_node *callee = get_Call_ptr(node);
1121 ir_node *block = get_nodes_block(node);
1122 ir_node *new_block = be_transform_node(block);
1123 ir_node *mem = get_Call_mem(node);
1124 ir_node *new_mem = be_transform_node(mem);
1125 dbg_info *dbgi = get_irn_dbg_info(node);
1126 ir_type *type = get_Call_type(node);
1127 int n_params = get_Call_n_params(node);
1128 int n_param_regs = sizeof(param_regs)/sizeof(param_regs[0]);
1129 /* max inputs: memory, callee, register arguments */
1130 int max_inputs = 2 + n_param_regs;
1131 ir_node **in = ALLOCAN(ir_node*, max_inputs);
1132 ir_node **sync_ins = ALLOCAN(ir_node*, max_inputs);
1133 struct obstack *obst = be_get_be_obst(irg);
1134 const arch_register_req_t **in_req
1135 = OALLOCNZ(obst, const arch_register_req_t*, max_inputs);
1136 calling_convention_t *cconv
1137 = sparc_decide_calling_convention(type, true);
1141 = sizeof(caller_saves)/sizeof(caller_saves[0]);
1142 ir_entity *entity = NULL;
1143 ir_node *new_frame = get_stack_pointer_for(node);
1152 assert(n_params == get_method_n_params(type));
1154 /* construct arguments */
1157 in_req[in_arity] = arch_no_register_req;
1161 /* stack pointer input */
1162 /* construct an IncSP -> we have to always be sure that the stack is
1163 * aligned even if we don't push arguments on it */
1164 incsp = be_new_IncSP(sp_reg, new_block, new_frame,
1165 cconv->param_stack_size, 1);
1166 in_req[in_arity] = sp_reg->single_req;
1167 in[in_arity] = incsp;
1171 for (p = 0; p < n_params; ++p) {
1172 ir_node *value = get_Call_param(node, p);
1173 ir_node *new_value = be_transform_node(value);
1174 ir_node *new_value1 = NULL;
1175 const reg_or_stackslot_t *param = &cconv->parameters[p];
1176 ir_type *param_type = get_method_param_type(type, p);
1177 ir_mode *mode = get_type_mode(param_type);
1180 if (mode_is_float(mode) && param->reg0 != NULL) {
1181 unsigned size_bits = get_mode_size_bits(mode);
1182 assert(size_bits == 32);
1183 new_value = bitcast_float_to_int(dbgi, new_block, new_value);
1186 /* put value into registers */
1187 if (param->reg0 != NULL) {
1188 in[in_arity] = new_value;
1189 in_req[in_arity] = param->reg0->single_req;
1191 if (new_value1 == NULL)
1194 if (param->reg1 != NULL) {
1195 assert(new_value1 != NULL);
1196 in[in_arity] = new_value1;
1197 in_req[in_arity] = param->reg1->single_req;
1202 /* we need a store if we're here */
1203 if (new_value1 != NULL) {
1204 new_value = new_value1;
1208 /* create a parameter frame if necessary */
1209 if (mode_is_float(mode)) {
1210 str = new_bd_sparc_Stf(dbgi, new_block, incsp, new_value, new_mem,
1211 mode, NULL, 0, param->offset, true);
1213 str = new_bd_sparc_St(dbgi, new_block, incsp, new_value, new_mem,
1214 mode, NULL, 0, param->offset, true);
1216 sync_ins[sync_arity++] = str;
1218 assert(in_arity <= max_inputs);
1220 /* construct memory input */
1221 if (sync_arity == 0) {
1222 in[mem_pos] = new_mem;
1223 } else if (sync_arity == 1) {
1224 in[mem_pos] = sync_ins[0];
1226 in[mem_pos] = new_rd_Sync(NULL, new_block, sync_arity, sync_ins);
1229 if (is_SymConst(callee)) {
1230 entity = get_SymConst_entity(callee);
1232 in[in_arity] = be_transform_node(callee);
1233 in_req[in_arity] = sparc_reg_classes[CLASS_sparc_gp].class_req;
1241 out_arity = 1 + n_caller_saves;
1243 /* create call node */
1244 if (entity != NULL) {
1245 res = new_bd_sparc_Call_imm(dbgi, new_block, in_arity, in, out_arity,
1248 res = new_bd_sparc_Call_reg(dbgi, new_block, in_arity, in, out_arity);
1250 set_sparc_in_req_all(res, in_req);
1252 /* create output register reqs */
1254 arch_set_out_register_req(res, o++, arch_no_register_req);
1255 for (i = 0; i < n_caller_saves; ++i) {
1256 const arch_register_t *reg = caller_saves[i];
1257 arch_set_out_register_req(res, o++, reg->single_req);
1259 assert(o == out_arity);
1261 /* copy pinned attribute */
1262 set_irn_pinned(res, get_irn_pinned(node));
1264 /* IncSP to destroy the call stackframe */
1265 incsp = be_new_IncSP(sp_reg, new_block, incsp, -cconv->param_stack_size, 0);
1266 /* if we are the last IncSP producer in a block then we have to keep
1268 * Note: This here keeps all producers which is more than necessary */
1269 add_irn_dep(incsp, res);
1272 pmap_insert(node_to_stack, node, incsp);
1274 sparc_free_calling_convention(cconv);
1278 static ir_node *gen_Sel(ir_node *node)
1280 dbg_info *dbgi = get_irn_dbg_info(node);
1281 ir_node *block = get_nodes_block(node);
1282 ir_node *new_block = be_transform_node(block);
1283 ir_node *ptr = get_Sel_ptr(node);
1284 ir_node *new_ptr = be_transform_node(ptr);
1285 ir_entity *entity = get_Sel_entity(node);
1287 /* must be the frame pointer all other sels must have been lowered
1289 assert(is_Proj(ptr) && is_Start(get_Proj_pred(ptr)));
1290 /* we should not have value types from parameters anymore - they should be
1292 assert(get_entity_owner(entity) !=
1293 get_method_value_param_type(get_entity_type(get_irg_entity(get_irn_irg(node)))));
1295 return new_bd_sparc_FrameAddr(dbgi, new_block, new_ptr, entity);
1299 * Transform some Phi nodes
1301 static ir_node *gen_Phi(ir_node *node)
1303 const arch_register_req_t *req;
1304 ir_node *block = be_transform_node(get_nodes_block(node));
1305 ir_graph *irg = current_ir_graph;
1306 dbg_info *dbgi = get_irn_dbg_info(node);
1307 ir_mode *mode = get_irn_mode(node);
1310 if (mode_needs_gp_reg(mode)) {
1311 /* we shouldn't have any 64bit stuff around anymore */
1312 assert(get_mode_size_bits(mode) <= 32);
1313 /* all integer operations are on 32bit registers now */
1315 req = sparc_reg_classes[CLASS_sparc_gp].class_req;
1317 req = arch_no_register_req;
1320 /* phi nodes allow loops, so we use the old arguments for now
1321 * and fix this later */
1322 phi = new_ir_node(dbgi, irg, block, op_Phi, mode, get_irn_arity(node), get_irn_in(node) + 1);
1323 copy_node_attr(irg, node, phi);
1324 be_duplicate_deps(node, phi);
1325 arch_set_out_register_req(phi, 0, req);
1326 be_enqueue_preds(node);
1331 * Transform a Proj from a Load.
1333 static ir_node *gen_Proj_Load(ir_node *node)
1335 ir_node *load = get_Proj_pred(node);
1336 ir_node *new_load = be_transform_node(load);
1337 dbg_info *dbgi = get_irn_dbg_info(node);
1338 long pn = get_Proj_proj(node);
1340 /* renumber the proj */
1341 switch (get_sparc_irn_opcode(new_load)) {
1343 /* handle all gp loads equal: they have the same proj numbers. */
1344 if (pn == pn_Load_res) {
1345 return new_rd_Proj(dbgi, new_load, mode_gp, pn_sparc_Ld_res);
1346 } else if (pn == pn_Load_M) {
1347 return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Ld_M);
1351 if (pn == pn_Load_res) {
1352 return new_rd_Proj(dbgi, new_load, mode_fp, pn_sparc_Ldf_res);
1353 } else if (pn == pn_Load_M) {
1354 return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Ld_M);
1360 panic("Unsupported Proj from Load");
1363 static ir_node *gen_Proj_Store(ir_node *node)
1365 ir_node *store = get_Proj_pred(node);
1366 ir_node *new_store = be_transform_node(store);
1367 long pn = get_Proj_proj(node);
1369 /* renumber the proj */
1370 switch (get_sparc_irn_opcode(new_store)) {
1372 if (pn == pn_Store_M) {
1377 if (pn == pn_Store_M) {
1384 panic("Unsupported Proj from Store");
1388 * Transform the Projs from a Cmp.
1390 static ir_node *gen_Proj_Cmp(ir_node *node)
1393 panic("not implemented");
1397 * transform Projs from a Div
1399 static ir_node *gen_Proj_Div(ir_node *node)
1401 ir_node *pred = get_Proj_pred(node);
1402 ir_node *new_pred = be_transform_node(pred);
1403 long pn = get_Proj_proj(node);
1405 assert(is_sparc_SDiv(new_pred) || is_sparc_UDiv(new_pred));
1406 assert(pn_sparc_SDiv_res == pn_sparc_UDiv_res);
1407 assert(pn_sparc_SDiv_M == pn_sparc_UDiv_M);
1410 return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_res);
1412 return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_M);
1416 panic("Unsupported Proj from Div");
1419 static ir_node *gen_Proj_Quot(ir_node *node)
1421 ir_node *pred = get_Proj_pred(node);
1422 ir_node *new_pred = be_transform_node(pred);
1423 long pn = get_Proj_proj(node);
1425 assert(is_sparc_fdiv(new_pred));
1428 return new_r_Proj(new_pred, mode_gp, pn_sparc_fdiv_res);
1430 return new_r_Proj(new_pred, mode_gp, pn_sparc_fdiv_M);
1434 panic("Unsupported Proj from Quot");
1437 static ir_node *gen_Proj_Start(ir_node *node)
1439 ir_node *block = get_nodes_block(node);
1440 ir_node *new_block = be_transform_node(block);
1441 ir_node *barrier = be_transform_node(get_Proj_pred(node));
1442 long pn = get_Proj_proj(node);
1444 switch ((pn_Start) pn) {
1445 case pn_Start_X_initial_exec:
1446 /* exchange ProjX with a jump */
1447 return new_bd_sparc_Ba(NULL, new_block);
1449 return new_r_Proj(barrier, mode_M, 0);
1450 case pn_Start_T_args:
1452 case pn_Start_P_frame_base:
1453 return be_prolog_get_reg_value(abihelper, fp_reg);
1454 case pn_Start_P_tls:
1459 panic("Unexpected start proj: %ld\n", pn);
1462 static ir_node *gen_Proj_Proj_Start(ir_node *node)
1464 long pn = get_Proj_proj(node);
1465 ir_node *block = get_nodes_block(node);
1466 ir_node *new_block = be_transform_node(block);
1467 ir_entity *entity = get_irg_entity(current_ir_graph);
1468 ir_type *method_type = get_entity_type(entity);
1469 ir_type *param_type = get_method_param_type(method_type, pn);
1470 const reg_or_stackslot_t *param;
1472 /* Proj->Proj->Start must be a method argument */
1473 assert(get_Proj_proj(get_Proj_pred(node)) == pn_Start_T_args);
1475 param = &cconv->parameters[pn];
1477 if (param->reg0 != NULL) {
1478 /* argument transmitted in register */
1479 ir_mode *mode = get_type_mode(param_type);
1480 const arch_register_t *reg = param->reg0;
1481 ir_node *value = be_prolog_get_reg_value(abihelper, reg);
1483 if (mode_is_float(mode)) {
1484 /* convert integer value to float */
1485 value = bitcast_int_to_float(NULL, new_block, value);
1489 /* argument transmitted on stack */
1490 ir_node *fp = be_prolog_get_reg_value(abihelper, fp_reg);
1491 ir_node *mem = be_prolog_get_memory(abihelper);
1492 ir_mode *mode = get_type_mode(param->type);
1496 if (mode_is_float(mode)) {
1497 load = new_bd_sparc_Ldf(NULL, new_block, fp, mem, mode,
1498 param->entity, 0, 0, true);
1499 value = new_r_Proj(load, mode_fp, pn_sparc_Ldf_res);
1501 load = new_bd_sparc_Ld(NULL, new_block, fp, mem, mode,
1502 param->entity, 0, 0, true);
1503 value = new_r_Proj(load, mode_gp, pn_sparc_Ld_res);
1505 set_irn_pinned(load, op_pin_state_floats);
1511 static ir_node *gen_Proj_Call(ir_node *node)
1513 long pn = get_Proj_proj(node);
1514 ir_node *call = get_Proj_pred(node);
1515 ir_node *new_call = be_transform_node(call);
1517 switch ((pn_Call) pn) {
1519 return new_r_Proj(new_call, mode_M, 0);
1520 case pn_Call_X_regular:
1521 case pn_Call_X_except:
1522 case pn_Call_T_result:
1523 case pn_Call_P_value_res_base:
1527 panic("Unexpected Call proj %ld\n", pn);
1531 * Finds number of output value of a mode_T node which is constrained to
1532 * a single specific register.
1534 static int find_out_for_reg(ir_node *node, const arch_register_t *reg)
1536 int n_outs = arch_irn_get_n_outs(node);
1539 for (o = 0; o < n_outs; ++o) {
1540 const arch_register_req_t *req = arch_get_out_register_req(node, o);
1541 if (req == reg->single_req)
1547 static ir_node *gen_Proj_Proj_Call(ir_node *node)
1549 long pn = get_Proj_proj(node);
1550 ir_node *call = get_Proj_pred(get_Proj_pred(node));
1551 ir_node *new_call = be_transform_node(call);
1552 ir_type *function_type = get_Call_type(call);
1553 calling_convention_t *cconv
1554 = sparc_decide_calling_convention(function_type, true);
1555 const reg_or_stackslot_t *res = &cconv->results[pn];
1556 const arch_register_t *reg = res->reg0;
1560 assert(res->reg0 != NULL && res->reg1 == NULL);
1561 regn = find_out_for_reg(new_call, reg);
1563 panic("Internal error in calling convention for return %+F", node);
1565 mode = res->reg0->reg_class->mode;
1567 sparc_free_calling_convention(cconv);
1569 return new_r_Proj(new_call, mode, regn);
1573 * Transform a Proj node.
1575 static ir_node *gen_Proj(ir_node *node)
1577 ir_node *pred = get_Proj_pred(node);
1579 switch (get_irn_opcode(pred)) {
1581 return gen_Proj_Store(node);
1583 return gen_Proj_Load(node);
1585 return gen_Proj_Call(node);
1587 return gen_Proj_Cmp(node);
1589 return be_duplicate_node(node);
1591 return gen_Proj_Div(node);
1593 return gen_Proj_Quot(node);
1595 return gen_Proj_Start(node);
1597 ir_node *pred_pred = get_Proj_pred(pred);
1598 if (is_Call(pred_pred)) {
1599 return gen_Proj_Proj_Call(node);
1600 } else if (is_Start(pred_pred)) {
1601 return gen_Proj_Proj_Start(node);
1606 panic("code selection didn't expect Proj after %+F\n", pred);
1613 static ir_node *gen_Jmp(ir_node *node)
1615 ir_node *block = get_nodes_block(node);
1616 ir_node *new_block = be_transform_node(block);
1617 dbg_info *dbgi = get_irn_dbg_info(node);
1619 return new_bd_sparc_Ba(dbgi, new_block);
1623 * configure transformation callbacks
1625 void sparc_register_transformers(void)
1627 be_start_transform_setup();
1629 be_set_transform_function(op_Abs, gen_Abs);
1630 be_set_transform_function(op_Add, gen_Add);
1631 be_set_transform_function(op_And, gen_And);
1632 be_set_transform_function(op_be_AddSP, gen_be_AddSP);
1633 be_set_transform_function(op_be_Call, gen_be_Call);
1634 be_set_transform_function(op_be_Copy, gen_be_Copy);
1635 be_set_transform_function(op_be_FrameAddr, gen_be_FrameAddr);
1636 be_set_transform_function(op_be_SubSP, gen_be_SubSP);
1637 be_set_transform_function(op_Call, gen_Call);
1638 be_set_transform_function(op_Cmp, gen_Cmp);
1639 be_set_transform_function(op_Cond, gen_Cond);
1640 be_set_transform_function(op_Const, gen_Const);
1641 be_set_transform_function(op_Conv, gen_Conv);
1642 be_set_transform_function(op_Div, gen_Div);
1643 be_set_transform_function(op_Eor, gen_Eor);
1644 be_set_transform_function(op_Jmp, gen_Jmp);
1645 be_set_transform_function(op_Load, gen_Load);
1646 be_set_transform_function(op_Minus, gen_Minus);
1647 be_set_transform_function(op_Mul, gen_Mul);
1648 be_set_transform_function(op_Mulh, gen_Mulh);
1649 be_set_transform_function(op_Not, gen_Not);
1650 be_set_transform_function(op_Or, gen_Or);
1651 be_set_transform_function(op_Phi, gen_Phi);
1652 be_set_transform_function(op_Proj, gen_Proj);
1653 be_set_transform_function(op_Quot, gen_Quot);
1654 be_set_transform_function(op_Return, gen_Return);
1655 be_set_transform_function(op_Sel, gen_Sel);
1656 be_set_transform_function(op_Shl, gen_Shl);
1657 be_set_transform_function(op_Shr, gen_Shr);
1658 be_set_transform_function(op_Shrs, gen_Shrs);
1659 be_set_transform_function(op_Start, gen_Start);
1660 be_set_transform_function(op_Store, gen_Store);
1661 be_set_transform_function(op_Sub, gen_Sub);
1662 be_set_transform_function(op_SymConst, gen_SymConst);
1663 be_set_transform_function(op_Unknown, gen_Unknown);
1665 be_set_transform_function(op_sparc_Save, be_duplicate_node);
1668 /* hack to avoid unused fp proj at start barrier */
1669 static void assure_fp_keep(void)
1671 unsigned n_users = 0;
1672 const ir_edge_t *edge;
1673 ir_node *fp_proj = be_prolog_get_reg_value(abihelper, fp_reg);
1675 foreach_out_edge(fp_proj, edge) {
1676 ir_node *succ = get_edge_src_irn(edge);
1677 if (is_End(succ) || is_Anchor(succ))
1683 ir_node *block = get_nodes_block(fp_proj);
1684 ir_node *in[1] = { fp_proj };
1685 be_new_Keep(block, 1, in);
1690 * Transform a Firm graph into a SPARC graph.
1692 void sparc_transform_graph(sparc_code_gen_t *cg)
1694 ir_graph *irg = cg->irg;
1695 ir_entity *entity = get_irg_entity(irg);
1696 ir_type *frame_type;
1698 sparc_register_transformers();
1701 node_to_stack = pmap_create();
1706 abihelper = be_abihelper_prepare(irg);
1707 be_collect_stacknodes(abihelper);
1708 cconv = sparc_decide_calling_convention(get_entity_type(entity), false);
1709 create_stacklayout(irg);
1711 be_transform_graph(cg->irg, NULL);
1714 be_abihelper_finish(abihelper);
1715 sparc_free_calling_convention(cconv);
1717 frame_type = get_irg_frame_type(irg);
1718 if (get_type_state(frame_type) == layout_undefined)
1719 default_layout_compound_type(frame_type);
1721 pmap_destroy(node_to_stack);
1722 node_to_stack = NULL;
1724 be_add_missing_keeps(irg);
1727 void sparc_init_transform(void)
1729 FIRM_DBG_REGISTER(dbg, "firm.be.sparc.transform");