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"
39 #include "../benode.h"
41 #include "../beutil.h"
42 #include "../betranshlp.h"
43 #include "../beabihelper.h"
44 #include "bearch_sparc_t.h"
46 #include "sparc_nodes_attr.h"
47 #include "sparc_transform.h"
48 #include "sparc_new_nodes.h"
49 #include "gen_sparc_new_nodes.h"
51 #include "gen_sparc_regalloc_if.h"
52 #include "sparc_cconv.h"
56 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
58 static sparc_code_gen_t *env_cg;
59 static beabi_helper_env_t *abihelper;
60 static const arch_register_t *sp_reg = &sparc_gp_regs[REG_SP];
61 static const arch_register_t *fp_reg = &sparc_gp_regs[REG_FRAME_POINTER];
62 static calling_convention_t *cconv = NULL;
63 static ir_mode *mode_gp;
64 static ir_mode *mode_fp;
65 static pmap *node_to_stack;
67 static ir_node *gen_SymConst(ir_node *node);
70 static inline int mode_needs_gp_reg(ir_mode *mode)
72 return mode_is_int(mode) || mode_is_reference(mode);
76 * Create an And that will zero out upper bits.
78 * @param dbgi debug info
79 * @param block the basic block
80 * @param op the original node
81 * @param src_bits number of lower bits that will remain
83 static ir_node *gen_zero_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
87 return new_bd_sparc_And_imm(dbgi, block, op, 0xFF);
88 } else if (src_bits == 16) {
89 ir_node *lshift = new_bd_sparc_Sll_imm(dbgi, block, op, 16);
90 ir_node *rshift = new_bd_sparc_Slr_imm(dbgi, block, lshift, 16);
93 panic("zero extension only supported for 8 and 16 bits");
98 * Generate code for a sign extension.
100 * @param dbgi debug info
101 * @param block the basic block
102 * @param op the original node
103 * @param src_bits number of lower bits that will remain
105 static ir_node *gen_sign_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
108 int shift_width = 32 - src_bits;
109 ir_node *lshift_node = new_bd_sparc_Sll_imm(dbgi, block, op, shift_width);
110 ir_node *rshift_node = new_bd_sparc_Sra_imm(dbgi, block, lshift_node, shift_width);
115 * returns true if it is assured, that the upper bits of a node are "clean"
116 * which means for a 16 or 8 bit value, that the upper bits in the register
117 * are 0 for unsigned and a copy of the last significant bit for signed
120 static bool upper_bits_clean(ir_node *transformed_node, ir_mode *mode)
122 (void) transformed_node;
129 * Extend a value to 32 bit signed/unsigned depending on its mode.
131 * @param dbgi debug info
132 * @param block the basic block
133 * @param op the original node
134 * @param orig_mode the original mode of op
136 static ir_node *gen_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
139 int bits = get_mode_size_bits(orig_mode);
143 if (mode_is_signed(orig_mode)) {
144 return gen_sign_extension(dbgi, block, op, bits);
146 return gen_zero_extension(dbgi, block, op, bits);
151 * Creates a possible DAG for a constant.
153 static ir_node *create_const_graph_value(dbg_info *dbgi, ir_node *block,
158 /* we need to load hi & lo separately */
159 if (value < -4096 || value > 4095) {
160 ir_node *hi = new_bd_sparc_HiImm(dbgi, block, (int) value);
161 result = new_bd_sparc_LoImm(dbgi, block, hi, value);
164 result = new_bd_sparc_Mov_imm(dbgi, block, (int) value);
165 be_dep_on_frame(result);
172 * Create a DAG constructing a given Const.
174 * @param irn a Firm const
176 static ir_node *create_const_graph(ir_node *irn, ir_node *block)
178 tarval *tv = get_Const_tarval(irn);
179 ir_mode *mode = get_tarval_mode(tv);
180 dbg_info *dbgi = get_irn_dbg_info(irn);
184 if (mode_is_reference(mode)) {
185 /* SPARC V8 is 32bit, so we can safely convert a reference tarval into Iu */
186 assert(get_mode_size_bits(mode) == get_mode_size_bits(mode_gp));
187 tv = tarval_convert_to(tv, mode_gp);
190 value = get_tarval_long(tv);
191 return create_const_graph_value(dbgi, block, value);
196 MATCH_COMMUTATIVE = 1 << 0, /**< commutative operation. */
197 MATCH_SIZE_NEUTRAL = 1 << 1,
200 typedef ir_node* (*new_binop_reg_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2);
201 typedef ir_node* (*new_binop_fp_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode);
202 typedef ir_node* (*new_binop_imm_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, int simm13);
205 * checks if a node's value can be encoded as a immediate
208 static bool is_imm_encodeable(const ir_node *node)
212 //assert(mode_is_float_vector(get_irn_mode(node)));
217 val = get_tarval_long(get_Const_tarval(node));
219 return -4096 <= val && val <= 4095;
223 * helper function for binop operations
225 * @param new_reg register generation function ptr
226 * @param new_imm immediate generation function ptr
228 static ir_node *gen_helper_binop(ir_node *node, match_flags_t flags,
229 new_binop_reg_func new_reg, new_binop_imm_func new_imm)
231 ir_node *block = be_transform_node(get_nodes_block(node));
232 ir_node *op1 = get_binop_left(node);
234 ir_node *op2 = get_binop_right(node);
236 dbg_info *dbgi = get_irn_dbg_info(node);
238 if (is_imm_encodeable(op2)) {
239 ir_node *new_op1 = be_transform_node(op1);
240 return new_imm(dbgi, block, new_op1, get_tarval_long(get_Const_tarval(op2)));
243 new_op2 = be_transform_node(op2);
245 if ((flags & MATCH_COMMUTATIVE) && is_imm_encodeable(op1)) {
246 return new_imm(dbgi, block, new_op2, get_tarval_long(get_Const_tarval(op1)) );
249 new_op1 = be_transform_node(op1);
251 return new_reg(dbgi, block, new_op1, new_op2);
255 * helper function for FP binop operations
257 static ir_node *gen_helper_binfpop(ir_node *node, ir_mode *mode,
258 new_binop_fp_func new_func)
260 ir_node *block = be_transform_node(get_nodes_block(node));
261 ir_node *op1 = get_binop_left(node);
262 ir_node *new_op1 = be_transform_node(op1);
263 ir_node *op2 = get_binop_right(node);
264 ir_node *new_op2 = be_transform_node(op2);
265 dbg_info *dbgi = get_irn_dbg_info(node);
267 return new_func(dbgi, block, new_op1, new_op2, mode);
271 * Creates an sparc Add.
273 * @param node FIRM node
274 * @return the created sparc Add node
276 static ir_node *gen_Add(ir_node *node)
278 ir_mode *mode = get_irn_mode(node);
280 if (mode_is_float(mode)) {
281 return gen_helper_binfpop(node, mode, new_bd_sparc_fadd);
284 return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL, new_bd_sparc_Add_reg, new_bd_sparc_Add_imm);
288 * Creates an sparc Sub.
290 * @param node FIRM node
291 * @return the created sparc Sub node
293 static ir_node *gen_Sub(ir_node *node)
295 ir_mode *mode = get_irn_mode(node);
297 if (mode_is_float(mode)) {
298 return gen_helper_binfpop(node, mode, new_bd_sparc_fsub);
301 return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Sub_reg, new_bd_sparc_Sub_imm);
307 * @param node the ir Load node
308 * @return the created sparc Load node
310 static ir_node *gen_Load(ir_node *node)
312 ir_mode *mode = get_Load_mode(node);
313 ir_node *block = be_transform_node(get_nodes_block(node));
314 ir_node *ptr = get_Load_ptr(node);
315 ir_node *new_ptr = be_transform_node(ptr);
316 ir_node *mem = get_Load_mem(node);
317 ir_node *new_mem = be_transform_node(mem);
318 dbg_info *dbgi = get_irn_dbg_info(node);
319 ir_node *new_load = NULL;
321 if (mode_is_float(mode)) {
322 new_load = new_bd_sparc_Ldf(dbgi, block, new_ptr, new_mem, mode, NULL, 0, 0, false);
324 new_load = new_bd_sparc_Ld(dbgi, block, new_ptr, new_mem, mode, NULL, 0, 0, false);
326 set_irn_pinned(new_load, get_irn_pinned(node));
332 * Transforms a Store.
334 * @param node the ir Store node
335 * @return the created sparc Store node
337 static ir_node *gen_Store(ir_node *node)
339 ir_node *block = be_transform_node(get_nodes_block(node));
340 ir_node *ptr = get_Store_ptr(node);
341 ir_node *new_ptr = be_transform_node(ptr);
342 ir_node *mem = get_Store_mem(node);
343 ir_node *new_mem = be_transform_node(mem);
344 ir_node *val = get_Store_value(node);
345 ir_node *new_val = be_transform_node(val);
346 ir_mode *mode = get_irn_mode(val);
347 dbg_info *dbgi = get_irn_dbg_info(node);
348 ir_node *new_store = NULL;
350 if (mode_is_float(mode)) {
351 new_store = new_bd_sparc_Stf(dbgi, block, new_ptr, new_val, new_mem, mode, NULL, 0, 0, false);
353 new_store = new_bd_sparc_St(dbgi, block, new_ptr, new_val, new_mem, mode, NULL, 0, 0, false);
355 set_irn_pinned(new_store, get_irn_pinned(node));
361 * Creates an sparc Mul.
362 * returns the lower 32bits of the 64bit multiply result
364 * @return the created sparc Mul node
366 static ir_node *gen_Mul(ir_node *node)
368 ir_mode *mode = get_irn_mode(node);
369 if (mode_is_float(mode)) {
370 return gen_helper_binfpop(node, mode, new_bd_sparc_fmul);
373 assert(mode_is_data(mode));
374 return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL,
375 new_bd_sparc_Mul_reg, new_bd_sparc_Mul_imm);
379 * Creates an sparc Mulh.
380 * Mulh returns the upper 32bits of a mul instruction
382 * @return the created sparc Mulh node
384 static ir_node *gen_Mulh(ir_node *node)
386 ir_mode *mode = get_irn_mode(node);
388 ir_node *proj_res_hi;
390 if (mode_is_float(mode))
391 panic("FP not supported yet");
394 assert(mode_is_data(mode));
395 mul = gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL, new_bd_sparc_Mulh_reg, new_bd_sparc_Mulh_imm);
396 //arch_irn_add_flags(mul, arch_irn_flags_modify_flags);
397 proj_res_hi = new_r_Proj(mul, mode_gp, pn_sparc_Mulh_low);
402 * Creates an sparc Div.
404 * @return the created sparc Div node
406 static ir_node *gen_Div(ir_node *node)
408 ir_mode *mode = get_Div_resmode(node);
411 assert(!mode_is_float(mode));
412 if (mode_is_signed(mode)) {
413 res = gen_helper_binop(node, 0, new_bd_sparc_SDiv_reg,
414 new_bd_sparc_SDiv_imm);
416 res = gen_helper_binop(node, 0, new_bd_sparc_UDiv_reg,
417 new_bd_sparc_UDiv_imm);
422 static ir_node *gen_Quot(ir_node *node)
424 ir_mode *mode = get_Quot_resmode(node);
425 assert(mode_is_float(mode));
426 return gen_helper_binfpop(node, mode, new_bd_sparc_fdiv);
430 * transform abs node:
438 static ir_node *gen_Abs(ir_node *node) {
439 ir_node *block = be_transform_node(get_nodes_block(node));
440 ir_mode *mode = get_irn_mode(node);
441 dbg_info *dbgi = get_irn_dbg_info(node);
442 ir_node *op = get_Abs_op(node);
444 ir_node *mov, *sra, *xor, *sub, *new_op;
446 if (mode_is_float(mode))
447 panic("FP not supported yet");
449 new_op = be_transform_node(op);
451 mov = new_bd_sparc_Mov_reg(dbgi, block, new_op);
452 sra = new_bd_sparc_Sra_imm(dbgi, block, mov, 31);
453 xor = new_bd_sparc_Xor_reg(dbgi, block, new_op, sra);
454 sub = new_bd_sparc_Sub_reg(dbgi, block, sra, xor);
460 * Transforms a Not node.
462 * @return the created sparc Not node
464 static ir_node *gen_Not(ir_node *node)
466 ir_node *block = be_transform_node(get_nodes_block(node));
467 ir_node *op = get_Not_op(node);
468 ir_node *new_op = be_transform_node(op);
469 dbg_info *dbgi = get_irn_dbg_info(node);
471 return new_bd_sparc_Not(dbgi, block, new_op);
474 static ir_node *gen_And(ir_node *node)
476 return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_And_reg, new_bd_sparc_And_imm);
479 static ir_node *gen_Or(ir_node *node)
481 return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Or_reg, new_bd_sparc_Or_imm);
484 static ir_node *gen_Eor(ir_node *node)
486 return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Xor_reg, new_bd_sparc_Xor_imm);
489 static ir_node *gen_Shl(ir_node *node)
491 return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Sll_reg, new_bd_sparc_Sll_imm);
494 static ir_node *gen_Shr(ir_node *node)
496 return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Slr_reg, new_bd_sparc_Slr_imm);
499 static ir_node *gen_Shrs(ir_node *node)
501 return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Sra_reg, new_bd_sparc_Sra_imm);
505 * Transforms a Minus node.
507 static ir_node *gen_Minus(ir_node *node)
509 ir_node *block = be_transform_node(get_nodes_block(node));
510 ir_node *op = get_Minus_op(node);
511 ir_node *new_op = be_transform_node(op);
512 dbg_info *dbgi = get_irn_dbg_info(node);
513 ir_mode *mode = get_irn_mode(node);
515 if (mode_is_float(mode)) {
516 return new_bd_sparc_fneg(dbgi, block, new_op, mode);
519 return new_bd_sparc_Minus(dbgi, block, new_op);
522 static ir_node *make_addr(dbg_info *dbgi, ir_entity *entity)
524 ir_node *block = get_irg_start_block(current_ir_graph);
525 ir_node *node = new_bd_sparc_SymConst(dbgi, block, entity);
526 be_dep_on_frame(node);
531 * Create an entity for a given (floating point) tarval
533 static ir_entity *create_float_const_entity(tarval *tv)
535 ir_entity *entity = (ir_entity*) pmap_get(env_cg->constants, tv);
536 ir_initializer_t *initializer;
544 mode = get_tarval_mode(tv);
545 type = get_type_for_mode(mode);
546 glob = get_glob_type();
547 entity = new_entity(glob, id_unique("C%u"), type);
548 set_entity_visibility(entity, ir_visibility_private);
549 add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
551 initializer = create_initializer_tarval(tv);
552 set_entity_initializer(entity, initializer);
554 pmap_insert(env_cg->constants, tv, entity);
559 * Transforms a Const node.
561 * @param node the ir Const node
562 * @return The transformed sparc node.
564 static ir_node *gen_Const(ir_node *node)
566 ir_node *block = be_transform_node(get_nodes_block(node));
567 ir_mode *mode = get_irn_mode(node);
569 if (mode_is_float(mode)) {
570 dbg_info *dbgi = get_irn_dbg_info(node);
571 tarval *tv = get_Const_tarval(node);
572 ir_entity *entity = create_float_const_entity(tv);
573 ir_node *addr = make_addr(dbgi, entity);
574 ir_node *mem = new_NoMem();
576 = new_bd_sparc_Ldf(dbgi, block, addr, mem, mode, NULL, 0, 0, false);
578 ir_node *proj = new_Proj(new_op, mode, pn_sparc_Ldf_res);
582 return create_const_graph(node, block);
587 * @param node the ir AddSP node
588 * @return transformed sparc SAVE node
590 static ir_node *gen_be_AddSP(ir_node *node)
592 ir_node *block = be_transform_node(get_nodes_block(node));
593 ir_node *sz = get_irn_n(node, be_pos_AddSP_size);
594 ir_node *new_sz = be_transform_node(sz);
595 ir_node *sp = get_irn_n(node, be_pos_AddSP_old_sp);
596 ir_node *new_sp = be_transform_node(sp);
597 dbg_info *dbgi = get_irn_dbg_info(node);
598 ir_node *nomem = new_NoMem();
601 /* SPARC stack grows in reverse direction */
602 new_op = new_bd_sparc_SubSP(dbgi, block, new_sp, new_sz, nomem);
609 * @param node the ir SubSP node
610 * @return transformed sparc SAVE node
612 static ir_node *gen_be_SubSP(ir_node *node)
614 ir_node *block = be_transform_node(get_nodes_block(node));
615 ir_node *sz = get_irn_n(node, be_pos_SubSP_size);
616 ir_node *new_sz = be_transform_node(sz);
617 ir_node *sp = get_irn_n(node, be_pos_SubSP_old_sp);
618 ir_node *new_sp = be_transform_node(sp);
619 dbg_info *dbgi = get_irn_dbg_info(node);
620 ir_node *nomem = new_NoMem();
623 /* SPARC stack grows in reverse direction */
624 new_op = new_bd_sparc_AddSP(dbgi, block, new_sp, new_sz, nomem);
629 * transform FrameAddr
631 static ir_node *gen_be_FrameAddr(ir_node *node)
633 ir_node *block = be_transform_node(get_nodes_block(node));
634 ir_entity *ent = be_get_frame_entity(node);
635 ir_node *fp = be_get_FrameAddr_frame(node);
636 ir_node *new_fp = be_transform_node(fp);
637 dbg_info *dbgi = get_irn_dbg_info(node);
639 new_node = new_bd_sparc_FrameAddr(dbgi, block, new_fp, ent);
644 * Transform a be_Copy.
646 static ir_node *gen_be_Copy(ir_node *node)
648 ir_node *result = be_duplicate_node(node);
649 ir_mode *mode = get_irn_mode(result);
651 if (mode_needs_gp_reg(mode)) {
652 set_irn_mode(node, mode_gp);
661 static ir_node *gen_be_Call(ir_node *node)
663 ir_node *res = be_duplicate_node(node);
664 arch_irn_add_flags(res, arch_irn_flags_modify_flags);
669 * Transforms a Switch.
672 static ir_node *gen_SwitchJmp(ir_node *node)
674 ir_node *block = be_transform_node(get_nodes_block(node));
675 ir_node *selector = get_Cond_selector(node);
676 dbg_info *dbgi = get_irn_dbg_info(node);
677 ir_node *new_op = be_transform_node(selector);
678 ir_node *const_graph;
682 const ir_edge_t *edge;
689 foreach_out_edge(node, edge) {
690 proj = get_edge_src_irn(edge);
691 assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
693 pn = get_Proj_proj(proj);
695 min = pn<min ? pn : min;
696 max = pn>max ? pn : max;
700 n_projs = max - translation + 1;
702 foreach_out_edge(node, edge) {
703 proj = get_edge_src_irn(edge);
704 assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
706 pn = get_Proj_proj(proj) - translation;
707 set_Proj_proj(proj, pn);
710 const_graph = create_const_graph_value(dbgi, block, translation);
711 sub = new_bd_sparc_Sub_reg(dbgi, block, new_op, const_graph);
712 return new_bd_sparc_SwitchJmp(dbgi, block, sub, n_projs, get_Cond_default_proj(node) - translation);
715 static ir_mode *get_cmp_mode(ir_node *b_value)
720 if (!is_Proj(b_value))
721 panic("can't determine cond signednes");
722 pred = get_Proj_pred(b_value);
724 panic("can't determine cond signednes (no cmp)");
725 op = get_Cmp_left(pred);
726 return get_irn_mode(op);
730 * Transform Cond nodes
732 static ir_node *gen_Cond(ir_node *node)
734 ir_node *selector = get_Cond_selector(node);
735 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 cmp_mode = get_cmp_mode(selector);
754 block = be_transform_node(get_nodes_block(node));
755 dbgi = get_irn_dbg_info(node);
756 flag_node = be_transform_node(get_Proj_pred(selector));
757 pnc = get_Proj_proj(selector);
758 is_unsigned = !mode_is_signed(cmp_mode);
759 if (mode_is_float(cmp_mode)) {
760 assert(!is_unsigned);
761 return new_bd_sparc_fbfcc(dbgi, block, flag_node, pnc);
763 return new_bd_sparc_Bicc(dbgi, block, flag_node, pnc, is_unsigned);
770 static ir_node *gen_Cmp(ir_node *node)
772 ir_node *block = be_transform_node(get_nodes_block(node));
773 ir_node *op1 = get_Cmp_left(node);
774 ir_node *op2 = get_Cmp_right(node);
775 ir_mode *cmp_mode = get_irn_mode(op1);
776 dbg_info *dbgi = get_irn_dbg_info(node);
777 ir_node *new_op1 = be_transform_node(op1);
778 ir_node *new_op2 = be_transform_node(op2);
779 assert(get_irn_mode(op2) == cmp_mode);
781 if (mode_is_float(cmp_mode)) {
782 return new_bd_sparc_fcmp(dbgi, block, new_op1, new_op2, cmp_mode);
785 /* integer compare */
786 new_op1 = gen_extension(dbgi, block, new_op1, cmp_mode);
787 new_op2 = gen_extension(dbgi, block, new_op2, cmp_mode);
788 return new_bd_sparc_Cmp_reg(dbgi, block, new_op1, new_op2);
792 * Transforms a SymConst node.
794 static ir_node *gen_SymConst(ir_node *node)
796 ir_entity *entity = get_SymConst_entity(node);
797 dbg_info *dbgi = get_irn_dbg_info(node);
799 return make_addr(dbgi, entity);
803 * Transforms a Conv node.
806 static ir_node *gen_Conv(ir_node *node)
808 ir_node *block = be_transform_node(get_nodes_block(node));
809 ir_node *op = get_Conv_op(node);
810 ir_node *new_op = be_transform_node(op);
811 ir_mode *src_mode = get_irn_mode(op);
812 ir_mode *dst_mode = get_irn_mode(node);
813 dbg_info *dbg = get_irn_dbg_info(node);
815 int src_bits = get_mode_size_bits(src_mode);
816 int dst_bits = get_mode_size_bits(dst_mode);
818 if (src_mode == dst_mode)
821 if (mode_is_float(src_mode) || mode_is_float(dst_mode)) {
822 assert((src_bits <= 64 && dst_bits <= 64) && "quad FP not implemented");
824 if (mode_is_float(src_mode)) {
825 if (mode_is_float(dst_mode)) {
826 /* float -> float conv */
827 return new_bd_sparc_fftof(dbg, block, new_op, src_mode, dst_mode);
829 /* float -> int conv */
830 if (!mode_is_signed(dst_mode))
831 panic("float to unsigned not implemented yet");
832 return new_bd_sparc_fftoi(dbg, block, new_op, src_mode);
835 /* int -> float conv */
836 if (!mode_is_signed(src_mode))
837 panic("unsigned to float not implemented yet");
838 return new_bd_sparc_fitof(dbg, block, new_op, dst_mode);
840 } else { /* complete in gp registers */
844 if (src_bits == dst_bits) {
845 /* kill unnecessary conv */
849 if (src_bits < dst_bits) {
857 if (upper_bits_clean(new_op, min_mode)) {
861 if (mode_is_signed(min_mode)) {
862 return gen_sign_extension(dbg, block, new_op, min_bits);
864 return gen_zero_extension(dbg, block, new_op, min_bits);
869 static ir_node *gen_Unknown(ir_node *node)
871 ir_node *block = get_nodes_block(node);
872 ir_node *new_block = be_transform_node(block);
873 dbg_info *dbgi = get_irn_dbg_info(node);
875 /* just produce a 0 */
876 ir_mode *mode = get_irn_mode(node);
877 if (mode_is_float(mode)) {
878 panic("FP not implemented");
879 be_dep_on_frame(node);
881 } else if (mode_needs_gp_reg(mode)) {
882 return create_const_graph_value(dbgi, new_block, 0);
885 panic("Unexpected Unknown mode");
889 * Produces the type which sits between the stack args and the locals on the
892 static ir_type *sparc_get_between_type(void)
894 static ir_type *between_type = NULL;
896 if (between_type == NULL) {
897 between_type = new_type_class(new_id_from_str("sparc_between_type"));
898 set_type_size_bytes(between_type, SPARC_MIN_STACKSIZE);
904 static void create_stacklayout(ir_graph *irg)
906 ir_entity *entity = get_irg_entity(irg);
907 ir_type *function_type = get_entity_type(entity);
908 be_stack_layout_t *layout = be_get_irg_stack_layout(irg);
913 /* calling conventions must be decided by now */
914 assert(cconv != NULL);
916 /* construct argument type */
917 arg_type = new_type_struct(id_mangle_u(get_entity_ident(entity), new_id_from_chars("arg_type", 8)));
918 n_params = get_method_n_params(function_type);
919 for (p = 0; p < n_params; ++p) {
920 reg_or_stackslot_t *param = &cconv->parameters[p];
924 if (param->type == NULL)
927 snprintf(buf, sizeof(buf), "param_%d", p);
928 id = new_id_from_str(buf);
929 param->entity = new_entity(arg_type, id, param->type);
930 set_entity_offset(param->entity, param->offset);
933 memset(layout, 0, sizeof(*layout));
935 layout->frame_type = get_irg_frame_type(irg);
936 layout->between_type = sparc_get_between_type();
937 layout->arg_type = arg_type;
938 layout->initial_offset = 0;
939 layout->initial_bias = 0;
940 layout->stack_dir = -1;
941 layout->sp_relative = false;
943 assert(N_FRAME_TYPES == 3);
944 layout->order[0] = layout->frame_type;
945 layout->order[1] = layout->between_type;
946 layout->order[2] = layout->arg_type;
950 * transform the start node to the prolog code + initial barrier
952 static ir_node *gen_Start(ir_node *node)
954 ir_graph *irg = get_irn_irg(node);
955 ir_entity *entity = get_irg_entity(irg);
956 ir_type *function_type = get_entity_type(entity);
957 ir_node *block = get_nodes_block(node);
958 ir_node *new_block = be_transform_node(block);
959 dbg_info *dbgi = get_irn_dbg_info(node);
968 /* stackpointer is important at function prolog */
969 be_prolog_add_reg(abihelper, sp_reg,
970 arch_register_req_type_produces_sp | arch_register_req_type_ignore);
971 /* function parameters in registers */
972 for (i = 0; i < get_method_n_params(function_type); ++i) {
973 const reg_or_stackslot_t *param = &cconv->parameters[i];
974 if (param->reg0 != NULL)
975 be_prolog_add_reg(abihelper, param->reg0, 0);
976 if (param->reg1 != NULL)
977 be_prolog_add_reg(abihelper, param->reg1, 0);
980 start = be_prolog_create_start(abihelper, dbgi, new_block);
982 mem = be_prolog_get_memory(abihelper);
983 sp = be_prolog_get_reg_value(abihelper, sp_reg);
984 save = new_bd_sparc_Save(NULL, block, sp, mem, SPARC_MIN_STACKSIZE);
985 fp = new_r_Proj(save, mode_gp, pn_sparc_Save_frame);
986 sp = new_r_Proj(save, mode_gp, pn_sparc_Save_stack);
987 mem = new_r_Proj(save, mode_M, pn_sparc_Save_mem);
988 arch_set_irn_register(fp, fp_reg);
989 arch_set_irn_register(sp, sp_reg);
991 be_prolog_add_reg(abihelper, fp_reg, arch_register_req_type_ignore);
992 be_prolog_set_reg_value(abihelper, fp_reg, fp);
994 sp = be_new_IncSP(sp_reg, new_block, sp, BE_STACK_FRAME_SIZE_EXPAND, 0);
995 be_prolog_set_reg_value(abihelper, sp_reg, sp);
996 be_prolog_set_memory(abihelper, mem);
998 barrier = be_prolog_create_barrier(abihelper, new_block);
1003 static ir_node *get_stack_pointer_for(ir_node *node)
1005 /* get predecessor in stack_order list */
1006 ir_node *stack_pred = be_get_stack_pred(abihelper, node);
1007 ir_node *stack_pred_transformed;
1010 if (stack_pred == NULL) {
1011 /* first stack user in the current block. We can simply use the
1012 * initial sp_proj for it */
1013 ir_node *sp_proj = be_prolog_get_reg_value(abihelper, sp_reg);
1017 stack_pred_transformed = be_transform_node(stack_pred);
1018 stack = pmap_get(node_to_stack, stack_pred);
1019 if (stack == NULL) {
1020 return get_stack_pointer_for(stack_pred);
1027 * transform a Return node into epilogue code + return statement
1029 static ir_node *gen_Return(ir_node *node)
1031 ir_node *block = get_nodes_block(node);
1032 ir_node *new_block = be_transform_node(block);
1033 dbg_info *dbgi = get_irn_dbg_info(node);
1034 ir_node *mem = get_Return_mem(node);
1035 ir_node *new_mem = be_transform_node(mem);
1036 ir_node *sp_proj = get_stack_pointer_for(node);
1037 int n_res = get_Return_n_ress(node);
1042 be_epilog_begin(abihelper);
1043 be_epilog_set_memory(abihelper, new_mem);
1044 /* connect stack pointer with initial stack pointer. fix_stack phase
1045 will later serialize all stack pointer adjusting nodes */
1046 be_epilog_add_reg(abihelper, sp_reg,
1047 arch_register_req_type_produces_sp | arch_register_req_type_ignore,
1051 for (i = 0; i < n_res; ++i) {
1052 ir_node *res_value = get_Return_res(node, i);
1053 ir_node *new_res_value = be_transform_node(res_value);
1054 const reg_or_stackslot_t *slot = &cconv->results[i];
1055 const arch_register_t *reg = slot->reg0;
1056 assert(slot->reg1 == NULL);
1057 be_epilog_add_reg(abihelper, reg, 0, new_res_value);
1060 /* create the barrier before the epilog code */
1061 be_epilog_create_barrier(abihelper, new_block);
1063 /* epilog code: an incsp */
1064 sp_proj = be_epilog_get_reg_value(abihelper, sp_reg);
1065 incsp = be_new_IncSP(sp_reg, new_block, sp_proj,
1066 BE_STACK_FRAME_SIZE_SHRINK, 0);
1067 be_epilog_set_reg_value(abihelper, sp_reg, incsp);
1069 bereturn = be_epilog_create_return(abihelper, dbgi, new_block);
1074 static ir_node *bitcast_int_to_float(dbg_info *dbgi, ir_node *block,
1077 ir_graph *irg = current_ir_graph;
1078 ir_node *stack = get_irg_frame(irg);
1079 ir_node *nomem = new_NoMem();
1080 ir_node *st = new_bd_sparc_St(dbgi, block, stack, node, nomem, mode_gp,
1083 set_irn_pinned(st, op_pin_state_floats);
1085 ldf = new_bd_sparc_Ldf(dbgi, block, stack, st, mode_fp, NULL, 0, 0, true);
1086 set_irn_pinned(ldf, op_pin_state_floats);
1088 return new_Proj(ldf, mode_fp, pn_sparc_Ldf_res);
1091 static ir_node *bitcast_float_to_int(dbg_info *dbgi, ir_node *block,
1094 ir_graph *irg = current_ir_graph;
1095 ir_node *stack = get_irg_frame(irg);
1096 ir_node *nomem = new_NoMem();
1097 ir_node *stf = new_bd_sparc_Stf(dbgi, block, stack, node, nomem, mode_fp,
1100 set_irn_pinned(stf, op_pin_state_floats);
1102 ld = new_bd_sparc_Ld(dbgi, block, stack, stf, mode_gp, NULL, 0, 0, true);
1103 set_irn_pinned(ld, op_pin_state_floats);
1105 return new_Proj(ld, mode_fp, pn_sparc_Ld_res);
1108 static ir_node *gen_Call(ir_node *node)
1110 ir_graph *irg = get_irn_irg(node);
1111 ir_node *callee = get_Call_ptr(node);
1112 ir_node *block = get_nodes_block(node);
1113 ir_node *new_block = be_transform_node(block);
1114 ir_node *mem = get_Call_mem(node);
1115 ir_node *new_mem = be_transform_node(mem);
1116 dbg_info *dbgi = get_irn_dbg_info(node);
1117 ir_type *type = get_Call_type(node);
1118 int n_params = get_Call_n_params(node);
1119 int n_param_regs = sizeof(param_regs)/sizeof(param_regs[0]);
1120 /* max inputs: memory, callee, register arguments */
1121 int max_inputs = 2 + n_param_regs;
1122 ir_node **in = ALLOCAN(ir_node*, max_inputs);
1123 ir_node **sync_ins = ALLOCAN(ir_node*, max_inputs);
1124 struct obstack *obst = be_get_be_obst(irg);
1125 const arch_register_req_t **in_req
1126 = OALLOCNZ(obst, const arch_register_req_t*, max_inputs);
1127 calling_convention_t *cconv
1128 = sparc_decide_calling_convention(type, true);
1132 = sizeof(caller_saves)/sizeof(caller_saves[0]);
1133 ir_entity *entity = NULL;
1134 ir_node *new_frame = get_stack_pointer_for(node);
1143 assert(n_params == get_method_n_params(type));
1145 /* construct arguments */
1148 in_req[in_arity] = arch_no_register_req;
1152 /* stack pointer input */
1153 /* construct an IncSP -> we have to always be sure that the stack is
1154 * aligned even if we don't push arguments on it */
1155 incsp = be_new_IncSP(sp_reg, new_block, new_frame,
1156 cconv->param_stack_size, 1);
1157 in_req[in_arity] = sp_reg->single_req;
1158 in[in_arity] = incsp;
1162 for (p = 0; p < n_params; ++p) {
1163 ir_node *value = get_Call_param(node, p);
1164 ir_node *new_value = be_transform_node(value);
1165 ir_node *new_value1 = NULL;
1166 const reg_or_stackslot_t *param = &cconv->parameters[p];
1167 ir_type *param_type = get_method_param_type(type, p);
1168 ir_mode *mode = get_type_mode(param_type);
1171 if (mode_is_float(mode) && param->reg0 != NULL) {
1172 unsigned size_bits = get_mode_size_bits(mode);
1173 assert(size_bits == 32);
1174 new_value = bitcast_float_to_int(dbgi, new_block, new_value);
1177 /* put value into registers */
1178 if (param->reg0 != NULL) {
1179 in[in_arity] = new_value;
1180 in_req[in_arity] = param->reg0->single_req;
1182 if (new_value1 == NULL)
1185 if (param->reg1 != NULL) {
1186 assert(new_value1 != NULL);
1187 in[in_arity] = new_value1;
1188 in_req[in_arity] = param->reg1->single_req;
1193 /* we need a store if we're here */
1194 if (new_value1 != NULL) {
1195 new_value = new_value1;
1199 /* create a parameter frame if necessary */
1200 if (mode_is_float(mode)) {
1201 str = new_bd_sparc_Stf(dbgi, new_block, incsp, new_value, new_mem,
1202 mode, NULL, 0, param->offset, true);
1204 str = new_bd_sparc_St(dbgi, new_block, incsp, new_value, new_mem,
1205 mode, NULL, 0, param->offset, true);
1207 sync_ins[sync_arity++] = str;
1209 assert(in_arity <= max_inputs);
1211 /* construct memory input */
1212 if (sync_arity == 0) {
1213 in[mem_pos] = new_mem;
1214 } else if (sync_arity == 1) {
1215 in[mem_pos] = sync_ins[0];
1217 in[mem_pos] = new_rd_Sync(NULL, new_block, sync_arity, sync_ins);
1220 if (is_SymConst(callee)) {
1221 entity = get_SymConst_entity(callee);
1223 in[in_arity] = be_transform_node(callee);
1224 in_req[in_arity] = sparc_reg_classes[CLASS_sparc_gp].class_req;
1232 out_arity = 1 + n_caller_saves;
1234 /* create call node */
1235 if (entity != NULL) {
1236 res = new_bd_sparc_Call_imm(dbgi, new_block, in_arity, in, out_arity,
1239 res = new_bd_sparc_Call_reg(dbgi, new_block, in_arity, in, out_arity);
1241 set_sparc_in_req_all(res, in_req);
1243 /* create output register reqs */
1245 arch_set_out_register_req(res, o++, arch_no_register_req);
1246 for (i = 0; i < n_caller_saves; ++i) {
1247 const arch_register_t *reg = caller_saves[i];
1248 arch_set_out_register_req(res, o++, reg->single_req);
1250 assert(o == out_arity);
1252 /* copy pinned attribute */
1253 set_irn_pinned(res, get_irn_pinned(node));
1255 /* IncSP to destroy the call stackframe */
1256 incsp = be_new_IncSP(sp_reg, new_block, incsp, -cconv->param_stack_size, 0);
1257 /* if we are the last IncSP producer in a block then we have to keep
1259 * Note: This here keeps all producers which is more than necessary */
1260 add_irn_dep(incsp, res);
1263 pmap_insert(node_to_stack, node, incsp);
1265 sparc_free_calling_convention(cconv);
1269 static ir_node *gen_Sel(ir_node *node)
1271 dbg_info *dbgi = get_irn_dbg_info(node);
1272 ir_node *block = get_nodes_block(node);
1273 ir_node *new_block = be_transform_node(block);
1274 ir_node *ptr = get_Sel_ptr(node);
1275 ir_node *new_ptr = be_transform_node(ptr);
1276 ir_entity *entity = get_Sel_entity(node);
1278 /* must be the frame pointer all other sels must have been lowered
1280 assert(is_Proj(ptr) && is_Start(get_Proj_pred(ptr)));
1281 /* we should not have value types from parameters anymore - they should be
1283 assert(get_entity_owner(entity) !=
1284 get_method_value_param_type(get_entity_type(get_irg_entity(get_irn_irg(node)))));
1286 return new_bd_sparc_FrameAddr(dbgi, new_block, new_ptr, entity);
1290 * Transform some Phi nodes
1292 static ir_node *gen_Phi(ir_node *node)
1294 const arch_register_req_t *req;
1295 ir_node *block = be_transform_node(get_nodes_block(node));
1296 ir_graph *irg = current_ir_graph;
1297 dbg_info *dbgi = get_irn_dbg_info(node);
1298 ir_mode *mode = get_irn_mode(node);
1301 if (mode_needs_gp_reg(mode)) {
1302 /* we shouldn't have any 64bit stuff around anymore */
1303 assert(get_mode_size_bits(mode) <= 32);
1304 /* all integer operations are on 32bit registers now */
1306 req = sparc_reg_classes[CLASS_sparc_gp].class_req;
1308 req = arch_no_register_req;
1311 /* phi nodes allow loops, so we use the old arguments for now
1312 * and fix this later */
1313 phi = new_ir_node(dbgi, irg, block, op_Phi, mode, get_irn_arity(node), get_irn_in(node) + 1);
1314 copy_node_attr(irg, node, phi);
1315 be_duplicate_deps(node, phi);
1316 arch_set_out_register_req(phi, 0, req);
1317 be_enqueue_preds(node);
1322 * Transform a Proj from a Load.
1324 static ir_node *gen_Proj_Load(ir_node *node)
1326 ir_node *load = get_Proj_pred(node);
1327 ir_node *new_load = be_transform_node(load);
1328 dbg_info *dbgi = get_irn_dbg_info(node);
1329 long pn = get_Proj_proj(node);
1331 /* renumber the proj */
1332 switch (get_sparc_irn_opcode(new_load)) {
1334 /* handle all gp loads equal: they have the same proj numbers. */
1335 if (pn == pn_Load_res) {
1336 return new_rd_Proj(dbgi, new_load, mode_gp, pn_sparc_Ld_res);
1337 } else if (pn == pn_Load_M) {
1338 return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Ld_M);
1342 if (pn == pn_Load_res) {
1343 return new_rd_Proj(dbgi, new_load, mode_fp, pn_sparc_Ldf_res);
1344 } else if (pn == pn_Load_M) {
1345 return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Ld_M);
1351 panic("Unsupported Proj from Load");
1354 static ir_node *gen_Proj_Store(ir_node *node)
1356 ir_node *store = get_Proj_pred(node);
1357 ir_node *new_store = be_transform_node(store);
1358 long pn = get_Proj_proj(node);
1360 /* renumber the proj */
1361 switch (get_sparc_irn_opcode(new_store)) {
1363 if (pn == pn_Store_M) {
1368 if (pn == pn_Store_M) {
1375 panic("Unsupported Proj from Store");
1379 * Transform the Projs from a Cmp.
1381 static ir_node *gen_Proj_Cmp(ir_node *node)
1384 panic("not implemented");
1388 * transform Projs from a Div
1390 static ir_node *gen_Proj_Div(ir_node *node)
1392 ir_node *pred = get_Proj_pred(node);
1393 ir_node *new_pred = be_transform_node(pred);
1394 long pn = get_Proj_proj(node);
1396 assert(is_sparc_SDiv(new_pred) || is_sparc_UDiv(new_pred));
1397 assert(pn_sparc_SDiv_res == pn_sparc_UDiv_res);
1398 assert(pn_sparc_SDiv_M == pn_sparc_UDiv_M);
1401 return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_res);
1403 return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_M);
1407 panic("Unsupported Proj from Div");
1410 static ir_node *gen_Proj_Quot(ir_node *node)
1412 ir_node *pred = get_Proj_pred(node);
1413 ir_node *new_pred = be_transform_node(pred);
1414 long pn = get_Proj_proj(node);
1416 assert(is_sparc_fdiv(new_pred));
1419 return new_r_Proj(new_pred, mode_gp, pn_sparc_fdiv_res);
1421 return new_r_Proj(new_pred, mode_gp, pn_sparc_fdiv_M);
1425 panic("Unsupported Proj from Quot");
1428 static ir_node *gen_Proj_Start(ir_node *node)
1430 ir_node *block = get_nodes_block(node);
1431 ir_node *new_block = be_transform_node(block);
1432 ir_node *barrier = be_transform_node(get_Proj_pred(node));
1433 long pn = get_Proj_proj(node);
1435 switch ((pn_Start) pn) {
1436 case pn_Start_X_initial_exec:
1437 /* exchange ProjX with a jump */
1438 return new_bd_sparc_Ba(NULL, new_block);
1440 return new_r_Proj(barrier, mode_M, 0);
1441 case pn_Start_T_args:
1443 case pn_Start_P_frame_base:
1444 return be_prolog_get_reg_value(abihelper, fp_reg);
1445 case pn_Start_P_tls:
1450 panic("Unexpected start proj: %ld\n", pn);
1453 static ir_node *gen_Proj_Proj_Start(ir_node *node)
1455 long pn = get_Proj_proj(node);
1456 ir_node *block = get_nodes_block(node);
1457 ir_node *new_block = be_transform_node(block);
1458 ir_entity *entity = get_irg_entity(current_ir_graph);
1459 ir_type *method_type = get_entity_type(entity);
1460 ir_type *param_type = get_method_param_type(method_type, pn);
1461 const reg_or_stackslot_t *param;
1463 /* Proj->Proj->Start must be a method argument */
1464 assert(get_Proj_proj(get_Proj_pred(node)) == pn_Start_T_args);
1466 param = &cconv->parameters[pn];
1468 if (param->reg0 != NULL) {
1469 /* argument transmitted in register */
1470 ir_mode *mode = get_type_mode(param_type);
1471 const arch_register_t *reg = param->reg0;
1472 ir_node *value = be_prolog_get_reg_value(abihelper, reg);
1474 if (mode_is_float(mode)) {
1475 /* convert integer value to float */
1476 value = bitcast_int_to_float(NULL, new_block, value);
1480 /* argument transmitted on stack */
1481 ir_node *fp = be_prolog_get_reg_value(abihelper, fp_reg);
1482 ir_node *mem = be_prolog_get_memory(abihelper);
1483 ir_mode *mode = get_type_mode(param->type);
1487 if (mode_is_float(mode)) {
1488 load = new_bd_sparc_Ldf(NULL, new_block, fp, mem, mode,
1489 param->entity, 0, 0, true);
1490 value = new_r_Proj(load, mode_fp, pn_sparc_Ldf_res);
1492 load = new_bd_sparc_Ld(NULL, new_block, fp, mem, mode,
1493 param->entity, 0, 0, true);
1494 value = new_r_Proj(load, mode_gp, pn_sparc_Ld_res);
1496 set_irn_pinned(load, op_pin_state_floats);
1502 static ir_node *gen_Proj_Call(ir_node *node)
1504 long pn = get_Proj_proj(node);
1505 ir_node *call = get_Proj_pred(node);
1506 ir_node *new_call = be_transform_node(call);
1508 switch ((pn_Call) pn) {
1510 return new_r_Proj(new_call, mode_M, 0);
1511 case pn_Call_X_regular:
1512 case pn_Call_X_except:
1513 case pn_Call_T_result:
1514 case pn_Call_P_value_res_base:
1518 panic("Unexpected Call proj %ld\n", pn);
1522 * Finds number of output value of a mode_T node which is constrained to
1523 * a single specific register.
1525 static int find_out_for_reg(ir_node *node, const arch_register_t *reg)
1527 int n_outs = arch_irn_get_n_outs(node);
1530 for (o = 0; o < n_outs; ++o) {
1531 const arch_register_req_t *req = arch_get_out_register_req(node, o);
1532 if (req == reg->single_req)
1538 static ir_node *gen_Proj_Proj_Call(ir_node *node)
1540 long pn = get_Proj_proj(node);
1541 ir_node *call = get_Proj_pred(get_Proj_pred(node));
1542 ir_node *new_call = be_transform_node(call);
1543 ir_type *function_type = get_Call_type(call);
1544 calling_convention_t *cconv
1545 = sparc_decide_calling_convention(function_type, true);
1546 const reg_or_stackslot_t *res = &cconv->results[pn];
1547 const arch_register_t *reg = res->reg0;
1551 assert(res->reg0 != NULL && res->reg1 == NULL);
1552 regn = find_out_for_reg(new_call, reg);
1554 panic("Internal error in calling convention for return %+F", node);
1556 mode = res->reg0->reg_class->mode;
1558 sparc_free_calling_convention(cconv);
1560 return new_r_Proj(new_call, mode, regn);
1564 * Transform a Proj node.
1566 static ir_node *gen_Proj(ir_node *node)
1568 ir_node *pred = get_Proj_pred(node);
1570 switch (get_irn_opcode(pred)) {
1572 return gen_Proj_Store(node);
1574 return gen_Proj_Load(node);
1576 return gen_Proj_Call(node);
1578 return gen_Proj_Cmp(node);
1580 return be_duplicate_node(node);
1582 return gen_Proj_Div(node);
1584 return gen_Proj_Quot(node);
1586 return gen_Proj_Start(node);
1588 ir_node *pred_pred = get_Proj_pred(pred);
1589 if (is_Call(pred_pred)) {
1590 return gen_Proj_Proj_Call(node);
1591 } else if (is_Start(pred_pred)) {
1592 return gen_Proj_Proj_Start(node);
1597 panic("code selection didn't expect Proj after %+F\n", pred);
1604 static ir_node *gen_Jmp(ir_node *node)
1606 ir_node *block = get_nodes_block(node);
1607 ir_node *new_block = be_transform_node(block);
1608 dbg_info *dbgi = get_irn_dbg_info(node);
1610 return new_bd_sparc_Ba(dbgi, new_block);
1614 * configure transformation callbacks
1616 void sparc_register_transformers(void)
1618 be_start_transform_setup();
1620 be_set_transform_function(op_Abs, gen_Abs);
1621 be_set_transform_function(op_Add, gen_Add);
1622 be_set_transform_function(op_And, gen_And);
1623 be_set_transform_function(op_be_AddSP, gen_be_AddSP);
1624 be_set_transform_function(op_be_Call, gen_be_Call);
1625 be_set_transform_function(op_be_Copy, gen_be_Copy);
1626 be_set_transform_function(op_be_FrameAddr, gen_be_FrameAddr);
1627 be_set_transform_function(op_be_SubSP, gen_be_SubSP);
1628 be_set_transform_function(op_Call, gen_Call);
1629 be_set_transform_function(op_Cmp, gen_Cmp);
1630 be_set_transform_function(op_Cond, gen_Cond);
1631 be_set_transform_function(op_Const, gen_Const);
1632 be_set_transform_function(op_Conv, gen_Conv);
1633 be_set_transform_function(op_Div, gen_Div);
1634 be_set_transform_function(op_Eor, gen_Eor);
1635 be_set_transform_function(op_Jmp, gen_Jmp);
1636 be_set_transform_function(op_Load, gen_Load);
1637 be_set_transform_function(op_Minus, gen_Minus);
1638 be_set_transform_function(op_Mul, gen_Mul);
1639 be_set_transform_function(op_Mulh, gen_Mulh);
1640 be_set_transform_function(op_Not, gen_Not);
1641 be_set_transform_function(op_Or, gen_Or);
1642 be_set_transform_function(op_Phi, gen_Phi);
1643 be_set_transform_function(op_Proj, gen_Proj);
1644 be_set_transform_function(op_Quot, gen_Quot);
1645 be_set_transform_function(op_Return, gen_Return);
1646 be_set_transform_function(op_Sel, gen_Sel);
1647 be_set_transform_function(op_Shl, gen_Shl);
1648 be_set_transform_function(op_Shr, gen_Shr);
1649 be_set_transform_function(op_Shrs, gen_Shrs);
1650 be_set_transform_function(op_Start, gen_Start);
1651 be_set_transform_function(op_Store, gen_Store);
1652 be_set_transform_function(op_Sub, gen_Sub);
1653 be_set_transform_function(op_SymConst, gen_SymConst);
1654 be_set_transform_function(op_Unknown, gen_Unknown);
1656 be_set_transform_function(op_sparc_Save, be_duplicate_node);
1659 /* hack to avoid unused fp proj at start barrier */
1660 static void assure_fp_keep(void)
1662 unsigned n_users = 0;
1663 const ir_edge_t *edge;
1664 ir_node *fp_proj = be_prolog_get_reg_value(abihelper, fp_reg);
1666 foreach_out_edge(fp_proj, edge) {
1667 ir_node *succ = get_edge_src_irn(edge);
1668 if (is_End(succ) || is_Anchor(succ))
1674 ir_node *block = get_nodes_block(fp_proj);
1675 ir_node *in[1] = { fp_proj };
1676 be_new_Keep(block, 1, in);
1681 * Transform a Firm graph into a SPARC graph.
1683 void sparc_transform_graph(sparc_code_gen_t *cg)
1685 ir_graph *irg = cg->irg;
1686 ir_entity *entity = get_irg_entity(irg);
1687 ir_type *frame_type;
1689 sparc_register_transformers();
1692 node_to_stack = pmap_create();
1697 abihelper = be_abihelper_prepare(irg);
1698 be_collect_stacknodes(abihelper);
1699 cconv = sparc_decide_calling_convention(get_entity_type(entity), false);
1700 create_stacklayout(irg);
1702 be_transform_graph(cg->irg, NULL);
1705 be_abihelper_finish(abihelper);
1706 sparc_free_calling_convention(cconv);
1708 frame_type = get_irg_frame_type(irg);
1709 if (get_type_state(frame_type) == layout_undefined)
1710 default_layout_compound_type(frame_type);
1712 pmap_destroy(node_to_stack);
1713 node_to_stack = NULL;
1715 be_add_missing_keeps(irg);
1718 void sparc_init_transform(void)
1720 FIRM_DBG_REGISTER(dbg, "firm.be.sparc.transform");