sparc_transform.c 31.2 KB
Newer Older
Hannes Rapp's avatar
Hannes Rapp committed
1
/*
2
 * Copyright (C) 1995-2010 University of Karlsruhe.  All right reserved.
Hannes Rapp's avatar
Hannes Rapp committed
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 *
 * This file is part of libFirm.
 *
 * This file may be distributed and/or modified under the terms of the
 * GNU General Public License version 2 as published by the Free Software
 * Foundation and appearing in the file LICENSE.GPL included in the
 * packaging of this file.
 *
 * Licensees holding valid libFirm Professional Edition licenses may use
 * this file in accordance with the libFirm Commercial License.
 * Agreement provided with the Software.
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE.
 */

/**
 * @file
 * @brief   code selection (transform FIRM into SPARC FIRM)
Michael Beck's avatar
Michael Beck committed
23
 * @version $Id$
Hannes Rapp's avatar
Hannes Rapp committed
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
 */

#include "config.h"

#include "irnode_t.h"
#include "irgraph_t.h"
#include "irmode_t.h"
#include "irgmod.h"
#include "iredges.h"
#include "irvrfy.h"
#include "ircons.h"
#include "irprintf.h"
#include "dbginfo.h"
#include "iropt_t.h"
#include "debug.h"
#include "error.h"

#include "../benode.h"
#include "../beirg.h"
#include "../beutil.h"
#include "../betranshlp.h"
#include "bearch_sparc_t.h"

#include "sparc_nodes_attr.h"
#include "sparc_transform.h"
#include "sparc_new_nodes.h"
#include "gen_sparc_new_nodes.h"

#include "gen_sparc_regalloc_if.h"

#include <limits.h>

DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)

static sparc_code_gen_t *env_cg;

Hannes Rapp's avatar
Hannes Rapp committed
60
61
62
static ir_node *gen_SymConst(ir_node *node);


Hannes Rapp's avatar
Hannes Rapp committed
63
64
65
66
67
static inline int mode_needs_gp_reg(ir_mode *mode)
{
	return mode_is_int(mode) || mode_is_reference(mode);
}

68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/**
 * Create an And that will zero out upper bits.
 *
 * @param dbgi     debug info
 * @param block    the basic block
 * @param op       the original node
 * @param src_bits  number of lower bits that will remain
 */
static ir_node *gen_zero_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
                                   int src_bits)
{
	if (src_bits == 8) {
		return new_bd_sparc_And_imm(dbgi, block, op, 0xFF);
	} else if (src_bits == 16) {
		ir_node *lshift = new_bd_sparc_ShiftLL_imm(dbgi, block, op, 16);
		ir_node *rshift = new_bd_sparc_ShiftLR_imm(dbgi, block, lshift, 16);
		return rshift;
	} else {
		panic("zero extension only supported for 8 and 16 bits");
	}
}

/**
 * Generate code for a sign extension.
 */
static ir_node *gen_sign_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
                                   int src_bits)
{
	int shift_width = 32 - src_bits;
	ir_node *lshift_node = new_bd_sparc_ShiftLL_imm(dbgi, block, op, shift_width);
	ir_node *rshift_node = new_bd_sparc_ShiftRA_imm(dbgi, block, lshift_node, shift_width);
	return rshift_node;
}

/**
 * returns true if it is assured, that the upper bits of a node are "clean"
 * which means for a 16 or 8 bit value, that the upper bits in the register
 * are 0 for unsigned and a copy of the last significant bit for signed
 * numbers.
 */
static bool upper_bits_clean(ir_node *transformed_node, ir_mode *mode)
{
	(void) transformed_node;
	(void) mode;
	/* TODO */
	return false;
}

static ir_node *gen_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
                              ir_mode *orig_mode)
{
	int bits = get_mode_size_bits(orig_mode);
	if (bits == 32)
		return op;

	if (mode_is_signed(orig_mode)) {
		return gen_sign_extension(dbgi, block, op, bits);
	} else {
		return gen_zero_extension(dbgi, block, op, bits);
	}
}


Hannes Rapp's avatar
Hannes Rapp committed
131
132
133
134
135
136
137
138
/**
 * Creates a possible DAG for a constant.
 */
static ir_node *create_const_graph_value(dbg_info *dbgi, ir_node *block,
				long value)
{
	ir_node *result;

139
	// we need to load hi & lo separately
140
	if (value < -4096 || value > 4095) {
141
142
143
144
145
146
		ir_node *hi = new_bd_sparc_HiImm(dbgi, block, (int) value);
		result = new_bd_sparc_LoImm(dbgi, block, hi, value);
		be_dep_on_frame(hi);
	} else {
		result = new_bd_sparc_Mov_imm(dbgi, block, (int) value);
		be_dep_on_frame(result);
Hannes Rapp's avatar
Hannes Rapp committed
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
	}

	return result;
}


/**
 * Create a DAG constructing a given Const.
 *
 * @param irn  a Firm const
 */
static ir_node *create_const_graph(ir_node *irn, ir_node *block)
{
	tarval  *tv = get_Const_tarval(irn);
	ir_mode *mode = get_tarval_mode(tv);
162
	dbg_info *dbgi = get_irn_dbg_info(irn);
Hannes Rapp's avatar
Hannes Rapp committed
163
164
	long value;

165

Hannes Rapp's avatar
Hannes Rapp committed
166
167
168
169
170
	if (mode_is_reference(mode)) {
		/* SPARC V8 is 32bit, so we can safely convert a reference tarval into Iu */
		assert(get_mode_size_bits(mode) == get_mode_size_bits(mode_Iu));
		tv = tarval_convert_to(tv, mode_Iu);
	}
171

Hannes Rapp's avatar
Hannes Rapp committed
172
	value = get_tarval_long(tv);
173
	return create_const_graph_value(dbgi, block, value);
Hannes Rapp's avatar
Hannes Rapp committed
174
175
}

Hannes Rapp's avatar
Hannes Rapp committed
176
177
178
179
180
181
/**
 * create a DAG to load fp constant. sparc only supports loading from global memory
 */
static ir_node *create_fp_const_graph(ir_node *irn, ir_node *block)
{
	(void) block;
Matthias Braun's avatar
Matthias Braun committed
182
	(void) irn;
Hannes Rapp's avatar
Hannes Rapp committed
183
184
185
	panic("FP constants not implemented");
}

Hannes Rapp's avatar
Hannes Rapp committed
186
187
188
189
190
191
192
193

typedef enum {
	MATCH_NONE         = 0,
	MATCH_COMMUTATIVE  = 1 << 0,
	MATCH_SIZE_NEUTRAL = 1 << 1,
} match_flags_t;

typedef ir_node* (*new_binop_reg_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2);
Hannes Rapp's avatar
Hannes Rapp committed
194
typedef ir_node* (*new_binop_fp_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode);
Hannes Rapp's avatar
Hannes Rapp committed
195
196
197
typedef ir_node* (*new_binop_imm_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, int simm13);

/**
198
 * checks if a node's value can be encoded as a immediate
Hannes Rapp's avatar
Hannes Rapp committed
199
200
201
202
203
204
 *
 */
static bool is_imm_encodeable(const ir_node *node)
{
	long val;

Hannes Rapp's avatar
Hannes Rapp committed
205
206
	//assert(mode_is_float_vector(get_irn_mode(node)));

Hannes Rapp's avatar
Hannes Rapp committed
207
208
209
210
211
	if (!is_Const(node))
		return false;

	val = get_tarval_long(get_Const_tarval(node));

212
	return !(val < -4096 || val > 4095);
Hannes Rapp's avatar
Hannes Rapp committed
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
}

/**
 * helper function for binop operations
 *
 * @param new_binop_reg_func register generation function ptr
 * @param new_binop_imm_func immediate generation function ptr
 */
static ir_node *gen_helper_binop(ir_node *node, match_flags_t flags,
				new_binop_reg_func new_reg, new_binop_imm_func new_imm)
{
	ir_node  *block   = be_transform_node(get_nodes_block(node));
	ir_node  *op1     = get_binop_left(node);
	ir_node  *new_op1;
	ir_node  *op2     = get_binop_right(node);
	ir_node  *new_op2;
	dbg_info *dbgi    = get_irn_dbg_info(node);

/*
    if (flags & MATCH_SIZE_NEUTRAL) {
        op1 = arm_skip_downconv(op1);
        op2 = arm_skip_downconv(op2);
    } else {
        assert(get_mode_size_bits(get_irn_mode(node)) == 32);
    }
*/
	if (is_imm_encodeable(op2)) {
		ir_node *new_op1 = be_transform_node(op1);
Hannes Rapp's avatar
Hannes Rapp committed
241
		return new_imm(dbgi, block, new_op1, get_tarval_long(get_Const_tarval(op2)));
Hannes Rapp's avatar
Hannes Rapp committed
242
243
244
245
246
247
248
249
250
251
252
253
254
	}

	new_op2 = be_transform_node(op2);

	if ((flags & MATCH_COMMUTATIVE) && is_imm_encodeable(op1)) {
		return new_imm(dbgi, block, new_op2, get_tarval_long(get_Const_tarval(op1)) );
	}

	new_op1 = be_transform_node(op1);

	return new_reg(dbgi, block, new_op1, new_op2);
}

Hannes Rapp's avatar
Hannes Rapp committed
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
/**
 * helper function for FP binop operations
 */
static ir_node *gen_helper_binfpop(ir_node *node, new_binop_fp_func new_reg)
{
	ir_node  *block   = be_transform_node(get_nodes_block(node));
	ir_node  *op1     = get_binop_left(node);
	ir_node  *new_op1;
	ir_node  *op2     = get_binop_right(node);
	ir_node  *new_op2;
	dbg_info *dbgi    = get_irn_dbg_info(node);

	new_op2 = be_transform_node(op2);
	new_op1 = be_transform_node(op1);
	return new_reg(dbgi, block, new_op1, new_op2, get_irn_mode(node));
}

Hannes Rapp's avatar
Hannes Rapp committed
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
/**
 * Creates an sparc Add.
 *
 * @param node   FIRM node
 * @return the created sparc Add node
 */
static ir_node *gen_Add(ir_node *node)
{
	ir_mode  *mode    = get_irn_mode(node);
	ir_node  *block   = be_transform_node(get_nodes_block(node));
	dbg_info *dbgi    = get_irn_dbg_info(node);

	(void) block;
	(void) dbgi;

	if (mode_is_float(mode))
		panic("FP not implemented yet");

	return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL, new_bd_sparc_Add_reg, new_bd_sparc_Add_imm);
}


/**
 * Creates an sparc Sub.
 *
 * @param node       FIRM node
 * @return the created sparc Sub node
 */
static ir_node *gen_Sub(ir_node *node)
{
	ir_mode  *mode    = get_irn_mode(node);
	ir_node  *block   = be_transform_node(get_nodes_block(node));
	dbg_info *dbgi    = get_irn_dbg_info(node);

    (void) block;
    (void) dbgi;

	if (mode_is_float(mode))
		panic("FP not implemented yet");

	return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Sub_reg, new_bd_sparc_Sub_imm);
}


/**
 * Transforms a Load.
 *
 * @param node    the ir Load node
 * @return the created sparc Load node
 */
static ir_node *gen_Load(ir_node *node)
{
	ir_mode  *mode     = get_Load_mode(node);
	ir_node  *block    = be_transform_node(get_nodes_block(node));
	ir_node  *ptr      = get_Load_ptr(node);
	ir_node  *new_ptr  = be_transform_node(ptr);
	ir_node  *mem      = get_Load_mem(node);
	ir_node  *new_mem  = be_transform_node(mem);
	dbg_info *dbgi      = get_irn_dbg_info(node);
	ir_node  *new_load = NULL;

333
334
335
	if (mode_is_float(mode))
		panic("SPARC: no fp implementation yet");

Hannes Rapp's avatar
Hannes Rapp committed
336
	new_load = new_bd_sparc_Load(dbgi, block, new_ptr, new_mem, mode, NULL, 0, 0, false);
Hannes Rapp's avatar
Hannes Rapp committed
337
338
	set_irn_pinned(new_load, get_irn_pinned(node));

Hannes Rapp's avatar
Hannes Rapp committed
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
	return new_load;
}



/**
 * Transforms a Store.
 *
 * @param node    the ir Store node
 * @return the created sparc Store node
 */
static ir_node *gen_Store(ir_node *node)
{
	ir_node  *block    = be_transform_node(get_nodes_block(node));
	ir_node  *ptr      = get_Store_ptr(node);
	ir_node  *new_ptr  = be_transform_node(ptr);
	ir_node  *mem      = get_Store_mem(node);
	ir_node  *new_mem  = be_transform_node(mem);
	ir_node  *val      = get_Store_value(node);
	ir_node  *new_val  = be_transform_node(val);
	ir_mode  *mode     = get_irn_mode(val);
	dbg_info *dbgi     = get_irn_dbg_info(node);
	ir_node *new_store = NULL;

363
364
365
	if (mode_is_float(mode))
		panic("SPARC: no fp implementation yet");

Hannes Rapp's avatar
Hannes Rapp committed
366
367
368
369
370
	new_store = new_bd_sparc_Store(dbgi, block, new_ptr, new_val, new_mem, mode, NULL, 0, 0, false);

	return new_store;
}

371
372
/**
 * Creates an sparc Mul.
373
 * returns the lower 32bits of the 64bit multiply result
374
375
376
 *
 * @return the created sparc Mul node
 */
377
static ir_node *gen_Mul(ir_node *node) {
378
379
380
381
382
383
	ir_mode  *mode    = get_irn_mode(node);
	dbg_info *dbgi     = get_irn_dbg_info(node);

	ir_node *mul;
	ir_node *proj_res_low;

Hannes Rapp's avatar
Hannes Rapp committed
384
385
386
387
	if (mode_is_float(mode)) {
		mul = gen_helper_binfpop(node, new_bd_sparc_fMul);
		return mul;
	}
388
389

	assert(mode_is_data(mode));
Hannes Rapp's avatar
Hannes Rapp committed
390
	mul = gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL, new_bd_sparc_Mul_reg, new_bd_sparc_Mul_imm);
391
	arch_irn_add_flags(mul, arch_irn_flags_modify_flags);
392

Hannes Rapp's avatar
Hannes Rapp committed
393
	proj_res_low = new_rd_Proj(dbgi, mul, mode_Iu, pn_sparc_Mul_low);
394
	return proj_res_low;
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
}

/**
 * Creates an sparc Mulh.
 * Mulh returns the upper 32bits of a mul instruction
 *
 * @return the created sparc Mulh node
 */
static ir_node *gen_Mulh(ir_node *node) {
	ir_mode  *mode    = get_irn_mode(node);
	dbg_info *dbgi     = get_irn_dbg_info(node);

	ir_node *mul;
	ir_node *proj_res_hi;

	if (mode_is_float(mode))
		panic("FP not supported yet");


	assert(mode_is_data(mode));
Hannes Rapp's avatar
Hannes Rapp committed
415
416
417
	mul = gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL, new_bd_sparc_Mulh_reg, new_bd_sparc_Mulh_imm);
	//arch_irn_add_flags(mul, arch_irn_flags_modify_flags);
	proj_res_hi = new_rd_Proj(dbgi, mul, mode_Iu, pn_sparc_Mulh_low);
418
	return proj_res_hi;
419
}
Hannes Rapp's avatar
Hannes Rapp committed
420

421
422
423
424
425
/**
 * Creates an sparc Div.
 *
 * @return the created sparc Div node
 */
426
427
static ir_node *gen_Div(ir_node *node) {

428
429
	ir_mode  *mode    = get_irn_mode(node);

430
	ir_node *div;
431
432
433
434

	if (mode_is_float(mode))
		panic("FP not supported yet");

435
	//assert(mode_is_data(mode));
Hannes Rapp's avatar
Hannes Rapp committed
436
	div = gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Div_reg, new_bd_sparc_Div_imm);
437
	return div;
438
439
}

440

441
442
443
444
445
446
447
448
449
/**
 * transform abs node:
 * mov a, b
 * sra b, 31, b
 * xor a, b
 * sub a, b
 *
 * @return
 */
450
static ir_node *gen_Abs(ir_node *node) {
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
	ir_node  *block   = be_transform_node(get_nodes_block(node));
	ir_mode  *mode    = get_irn_mode(node);
	dbg_info *dbgi    = get_irn_dbg_info(node);
	ir_node   *op     = get_Abs_op(node);

	ir_node *mov, *sra, *xor, *sub, *new_op;

	if (mode_is_float(mode))
		panic("FP not supported yet");

	new_op = be_transform_node(op);

	mov = new_bd_sparc_Mov_reg(dbgi, block, new_op);
	sra = new_bd_sparc_ShiftRA_imm(dbgi, block, mov, 31);
	xor = new_bd_sparc_Xor_reg(dbgi, block, new_op, sra);
	sub = new_bd_sparc_Sub_reg(dbgi, block, sra, xor);

	return sub;
}

/**
 * Transforms a Not node.
 *
 * @return the created ARM Not node
 */
static ir_node *gen_Not(ir_node *node)
{
	ir_node  *block   = be_transform_node(get_nodes_block(node));
	ir_node  *op      = get_Not_op(node);
	ir_node  *new_op  = be_transform_node(op);
	dbg_info *dbgi    = get_irn_dbg_info(node);

	return new_bd_sparc_Not(dbgi, block, new_op);
}

486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
static ir_node *gen_And(ir_node *node)
{
	ir_mode  *mode    = get_irn_mode(node);
	ir_node  *block   = be_transform_node(get_nodes_block(node));
	dbg_info *dbgi    = get_irn_dbg_info(node);

	(void) block;
	(void) dbgi;

	if (mode_is_float(mode))
		panic("FP not implemented yet");

	return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_And_reg, new_bd_sparc_And_imm);
}

static ir_node *gen_Or(ir_node *node)
{
	ir_mode  *mode    = get_irn_mode(node);
	ir_node  *block   = be_transform_node(get_nodes_block(node));
	dbg_info *dbgi    = get_irn_dbg_info(node);

	(void) block;
	(void) dbgi;

	if (mode_is_float(mode))
		panic("FP not implemented yet");

	return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Or_reg, new_bd_sparc_Or_imm);
}

Hannes Rapp's avatar
Hannes Rapp committed
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
static ir_node *gen_Xor(ir_node *node)
{
	ir_mode  *mode    = get_irn_mode(node);
	ir_node  *block   = be_transform_node(get_nodes_block(node));
	dbg_info *dbgi    = get_irn_dbg_info(node);

	(void) block;
	(void) dbgi;

	if (mode_is_float(mode))
		panic("FP not implemented yet");

	return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Xor_reg, new_bd_sparc_Xor_imm);
}

531
532
533
534
535
536
537
538
539
static ir_node *gen_Shl(ir_node *node)
{
	return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_ShiftLL_reg, new_bd_sparc_ShiftLL_imm);
}

static ir_node *gen_Shr(ir_node *node)
{
	return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_ShiftLR_reg, new_bd_sparc_ShiftLR_imm);
}
Hannes Rapp's avatar
Hannes Rapp committed
540

541
542
543
544
545
static ir_node *gen_Shra(ir_node *node)
{
	return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_ShiftRA_reg, new_bd_sparc_ShiftRA_imm);
}

Hannes Rapp's avatar
Hannes Rapp committed
546
547
/****** TRANSFORM GENERAL BACKEND NODES ********/

548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
/**
 * Transforms a Minus node.
 *
 */
static ir_node *gen_Minus(ir_node *node)
{
	ir_node  *block   = be_transform_node(get_nodes_block(node));
	ir_node  *op      = get_Minus_op(node);
	ir_node  *new_op  = be_transform_node(op);
	dbg_info *dbgi    = get_irn_dbg_info(node);
	ir_mode  *mode    = get_irn_mode(node);

	if (mode_is_float(mode)) {
		panic("FP not implemented yet");
	}

	assert(mode_is_data(mode));
	return new_bd_sparc_Minus(dbgi, block, new_op);
}

Hannes Rapp's avatar
Hannes Rapp committed
568
569
570
/**
 * Transforms a Const node.
 *
Hannes Rapp's avatar
Hannes Rapp committed
571
 * @param node    the ir Const node
Hannes Rapp's avatar
Hannes Rapp committed
572
573
 * @return The transformed sparc node.
 */
574
575
static ir_node *gen_Const(ir_node *node)
{
Hannes Rapp's avatar
Hannes Rapp committed
576
577
578
579
580
581
582
	ir_node  *block = be_transform_node(get_nodes_block(node));
	ir_mode *mode = get_irn_mode(node);
	dbg_info *dbg = get_irn_dbg_info(node);

	(void) dbg;

	if (mode_is_float(mode)) {
Hannes Rapp's avatar
Hannes Rapp committed
583
		return create_fp_const_graph(node, block);
Hannes Rapp's avatar
Hannes Rapp committed
584
	}
Hannes Rapp's avatar
Hannes Rapp committed
585

Hannes Rapp's avatar
Hannes Rapp committed
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
	return create_const_graph(node, block);
}

/**
 * AddSP
 * @param node the ir AddSP node
 * @return transformed sparc SAVE node
 */
static ir_node *gen_be_AddSP(ir_node *node)
{
	ir_node  *block  = be_transform_node(get_nodes_block(node));
	ir_node  *sz     = get_irn_n(node, be_pos_AddSP_size);
	ir_node  *new_sz = be_transform_node(sz);
	ir_node  *sp     = get_irn_n(node, be_pos_AddSP_old_sp);
	ir_node  *new_sp = be_transform_node(sp);
	dbg_info *dbgi   = get_irn_dbg_info(node);
	ir_node  *nomem  = new_NoMem();
	ir_node  *new_op;

	/* SPARC stack grows in reverse direction */
	new_op = new_bd_sparc_AddSP(dbgi, block, new_sp, new_sz, nomem);

	return new_op;
}


/**
 * SubSP
 * @param node the ir SubSP node
 * @return transformed sparc SAVE node
 */
static ir_node *gen_be_SubSP(ir_node *node)
{
	ir_node  *block  = be_transform_node(get_nodes_block(node));
	ir_node  *sz     = get_irn_n(node, be_pos_SubSP_size);
	ir_node  *new_sz = be_transform_node(sz);
	ir_node  *sp     = get_irn_n(node, be_pos_SubSP_old_sp);
	ir_node  *new_sp = be_transform_node(sp);
	dbg_info *dbgi   = get_irn_dbg_info(node);
	ir_node  *nomem  = new_NoMem();
	ir_node  *new_op;

	/* SPARC stack grows in reverse direction */
	new_op = new_bd_sparc_SubSP(dbgi, block, new_sp, new_sz, nomem);
	return new_op;
}

/**
 * transform FrameAddr
 */
static ir_node *gen_be_FrameAddr(ir_node *node)
{
	ir_node   *block  = be_transform_node(get_nodes_block(node));
	ir_entity *ent    = be_get_frame_entity(node);
	ir_node   *fp     = be_get_FrameAddr_frame(node);
	ir_node   *new_fp = be_transform_node(fp);
	dbg_info  *dbgi   = get_irn_dbg_info(node);
	ir_node   *new_node;
	new_node = new_bd_sparc_FrameAddr(dbgi, block, new_fp, ent);
	return new_node;
}

/**
 * Transform a be_Copy.
 */
651
652
static ir_node *gen_be_Copy(ir_node *node)
{
Hannes Rapp's avatar
Hannes Rapp committed
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
	ir_node *result = be_duplicate_node(node);
	ir_mode *mode   = get_irn_mode(result);

	if (mode_needs_gp_reg(mode)) {
		set_irn_mode(node, mode_Iu);
	}

	return result;
}

/**
 * Transform a Call
 */
static ir_node *gen_be_Call(ir_node *node)
{
	ir_node *res = be_duplicate_node(node);
	arch_irn_add_flags(res, arch_irn_flags_modify_flags);
	return res;
}

Hannes Rapp's avatar
Hannes Rapp committed
673
674
675
676
/**
 * Transforms a Switch.
 *
 */
Hannes Rapp's avatar
Hannes Rapp committed
677
678
static ir_node *gen_SwitchJmp(ir_node *node)
{
Hannes Rapp's avatar
Hannes Rapp committed
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
	ir_node  *block    = be_transform_node(get_nodes_block(node));
	ir_node  *selector = get_Cond_selector(node);
	dbg_info *dbgi     = get_irn_dbg_info(node);
	ir_node *new_op = be_transform_node(selector);
	ir_node *const_graph;
	ir_node *sub;

	ir_node *proj;
	const ir_edge_t *edge;
	int min = INT_MAX;
	int max = INT_MIN;
	int translation;
	int pn;
	int n_projs;

	foreach_out_edge(node, edge) {
		proj = get_edge_src_irn(edge);
		assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");

		pn = get_Proj_proj(proj);

		min = pn<min ? pn : min;
		max = pn>max ? pn : max;
	}

	translation = min;
	n_projs = max - translation + 1;

	foreach_out_edge(node, edge) {
		proj = get_edge_src_irn(edge);
		assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");

		pn = get_Proj_proj(proj) - translation;
		set_Proj_proj(proj, pn);
	}

	const_graph = create_const_graph_value(dbgi, block, translation);
	sub = new_bd_sparc_Sub_reg(dbgi, block, new_op, const_graph);
	return new_bd_sparc_SwitchJmp(dbgi, block, sub, n_projs, get_Cond_default_proj(node) - translation);
Hannes Rapp's avatar
Hannes Rapp committed
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
}

/**
 * Transform Cond nodes
 */
static ir_node *gen_Cond(ir_node *node)
{
	ir_node  *selector = get_Cond_selector(node);
	ir_mode  *mode     = get_irn_mode(selector);
	ir_node  *block;
	ir_node  *flag_node;
	dbg_info *dbgi;

	// switch/case jumps
	if (mode != mode_b) {
Hannes Rapp's avatar
Hannes Rapp committed
733
		return gen_SwitchJmp(node);
Hannes Rapp's avatar
Hannes Rapp committed
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
	}

	// regular if/else jumps
	assert(is_Proj(selector));

	block     = be_transform_node(get_nodes_block(node));
	dbgi      = get_irn_dbg_info(node);
	flag_node = be_transform_node(get_Proj_pred(selector));
	return new_bd_sparc_Branch(dbgi, block, flag_node, get_Proj_proj(selector));
}

/**
 * transform Cmp
 */
static ir_node *gen_Cmp(ir_node *node)
{
	ir_node  *block    = be_transform_node(get_nodes_block(node));
	ir_node  *op1      = get_Cmp_left(node);
	ir_node  *op2      = get_Cmp_right(node);
	ir_mode  *cmp_mode = get_irn_mode(op1);
	dbg_info *dbgi     = get_irn_dbg_info(node);
	ir_node  *new_op1;
	ir_node  *new_op2;
	bool      is_unsigned;

	if (mode_is_float(cmp_mode)) {
		panic("FloatCmp not implemented");
	}

763
	/*
Hannes Rapp's avatar
Hannes Rapp committed
764
765
766
	if (get_mode_size_bits(cmp_mode) != 32) {
		panic("CmpMode != 32bit not supported yet");
	}
767
	*/
Hannes Rapp's avatar
Hannes Rapp committed
768
769
770
771
772

	assert(get_irn_mode(op2) == cmp_mode);
	is_unsigned = !mode_is_signed(cmp_mode);

	/* compare with 0 can be done with Tst */
773
	/*
Hannes Rapp's avatar
Hannes Rapp committed
774
775
776
777
778
779
780
781
782
783
784
	if (is_Const(op2) && tarval_is_null(get_Const_tarval(op2))) {
		new_op1 = be_transform_node(op1);
		return new_bd_sparc_Tst(dbgi, block, new_op1, false,
		                          is_unsigned);
	}

	if (is_Const(op1) && tarval_is_null(get_Const_tarval(op1))) {
		new_op2 = be_transform_node(op2);
		return new_bd_sparc_Tst(dbgi, block, new_op2, true,
		                          is_unsigned);
	}
785
	*/
Hannes Rapp's avatar
Hannes Rapp committed
786
787
788

	/* integer compare */
	new_op1 = be_transform_node(op1);
789
	new_op1 = gen_extension(dbgi, block, new_op1, cmp_mode);
Hannes Rapp's avatar
Hannes Rapp committed
790
	new_op2 = be_transform_node(op2);
791
	new_op2 = gen_extension(dbgi, block, new_op2, cmp_mode);
Hannes Rapp's avatar
Hannes Rapp committed
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
	return new_bd_sparc_Cmp_reg(dbgi, block, new_op1, new_op2, false, is_unsigned);
}

/**
 * Transforms a SymConst node.
 */
static ir_node *gen_SymConst(ir_node *node)
{
	ir_node   *block  = be_transform_node(get_nodes_block(node));
	ir_entity *entity = get_SymConst_entity(node);
	dbg_info  *dbgi   = get_irn_dbg_info(node);
	ir_node   *new_node;

	new_node = new_bd_sparc_SymConst(dbgi, block, entity);
	be_dep_on_frame(new_node);
	return new_node;
}

Hannes Rapp's avatar
Hannes Rapp committed
810
811
812
813
/**
 * Transforms a Conv node.
 *
 */
814
815
static ir_node *gen_Conv(ir_node *node)
{
Hannes Rapp's avatar
Hannes Rapp committed
816
817
818
819
820
821
822
	ir_node  *block    = be_transform_node(get_nodes_block(node));
	ir_node  *op       = get_Conv_op(node);
	ir_node  *new_op   = be_transform_node(op);
	ir_mode  *src_mode = get_irn_mode(op);
	ir_mode  *dst_mode = get_irn_mode(node);
	dbg_info *dbg      = get_irn_dbg_info(node);

Hannes Rapp's avatar
Hannes Rapp committed
823
824
825
	int src_bits = get_mode_size_bits(src_mode);
	int dst_bits = get_mode_size_bits(dst_mode);

Hannes Rapp's avatar
Hannes Rapp committed
826
827
828
829
	if (src_mode == dst_mode)
		return new_op;

	if (mode_is_float(src_mode) || mode_is_float(dst_mode)) {
Hannes Rapp's avatar
Hannes Rapp committed
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
		assert((src_bits <= 64 && dst_bits <= 64) && "quad FP not implemented");

		if (mode_is_float(src_mode)) {
			if (mode_is_float(dst_mode)) {
				// float -> float conv
				if (src_bits > dst_bits) {
					return new_bd_sparc_FpDToFpS(dbg, block, new_op, dst_mode);
				} else {
					return new_bd_sparc_FpSToFpD(dbg, block, new_op, dst_mode);
				}
			} else {
				// float -> int conv
				switch (dst_bits) {
					case 32:
						return new_bd_sparc_FpSToInt(dbg, block, new_op, dst_mode);
					case 64:
						return new_bd_sparc_FpDToInt(dbg, block, new_op, dst_mode);
					default:
						panic("quad FP not implemented");
				}
			}
		} else {
			// int -> float conv
			switch (dst_bits) {
				case 32:
					return new_bd_sparc_IntToFpS(dbg, block, new_op, src_mode);
				case 64:
					return new_bd_sparc_IntToFpD(dbg, block, new_op, src_mode);
				default:
					panic("quad FP not implemented");
			}
		}
Hannes Rapp's avatar
Hannes Rapp committed
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
	} else { /* complete in gp registers */
		int min_bits;
		ir_mode *min_mode;

		if (src_bits == dst_bits) {
			/* kill unneccessary conv */
			return new_op;
		}

		if (src_bits < dst_bits) {
			min_bits = src_bits;
			min_mode = src_mode;
		} else {
			min_bits = dst_bits;
			min_mode = dst_mode;
		}

		if (upper_bits_clean(new_op, min_mode)) {
			return new_op;
		}

		if (mode_is_signed(min_mode)) {
			return gen_sign_extension(dbg, block, new_op, min_bits);
		} else {
			return gen_zero_extension(dbg, block, new_op, min_bits);
		}
	}
}

891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
static ir_node *gen_Unknown(ir_node *node)
{
	ir_node  *block     = get_nodes_block(node);
	ir_node  *new_block = be_transform_node(block);
	dbg_info *dbgi      = get_irn_dbg_info(node);

	/* just produce a 0 */
	ir_mode *mode = get_irn_mode(node);
	if (mode_is_float(mode)) {
		panic("FP not implemented");
		be_dep_on_frame(node);
		return node;
	} else if (mode_needs_gp_reg(mode)) {
		return create_const_graph_value(dbgi, new_block, 0);
	}

	panic("Unexpected Unknown mode");
}

Hannes Rapp's avatar
Hannes Rapp committed
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
/**
 * Transform some Phi nodes
 */
static ir_node *gen_Phi(ir_node *node)
{
	const arch_register_req_t *req;
	ir_node  *block = be_transform_node(get_nodes_block(node));
	ir_graph *irg   = current_ir_graph;
	dbg_info *dbgi  = get_irn_dbg_info(node);
	ir_mode  *mode  = get_irn_mode(node);
	ir_node  *phi;

	if (mode_needs_gp_reg(mode)) {
		/* we shouldn't have any 64bit stuff around anymore */
		assert(get_mode_size_bits(mode) <= 32);
		/* all integer operations are on 32bit registers now */
		mode = mode_Iu;
		req  = sparc_reg_classes[CLASS_sparc_gp].class_req;
	} else {
		req = arch_no_register_req;
	}

	/* phi nodes allow loops, so we use the old arguments for now
	 * and fix this later */
Hannes Rapp's avatar
Hannes Rapp committed
934
	phi = new_ir_node(dbgi, irg, block, op_Phi, mode, get_irn_arity(node), get_irn_in(node) + 1);
935
	copy_node_attr(irg, node, phi);
Hannes Rapp's avatar
Hannes Rapp committed
936
937
938
939
940
941
	be_duplicate_deps(node, phi);
	arch_set_out_register_req(phi, 0, req);
	be_enqueue_preds(node);
	return phi;
}

Hannes Rapp's avatar
Hannes Rapp committed
942
943
944
945

/**
 * Transform a Proj from a Load.
 */
946
947
static ir_node *gen_Proj_Load(ir_node *node)
{
Hannes Rapp's avatar
Hannes Rapp committed
948
949
950
951
952
953
954
955
956
957
	ir_node  *load     = get_Proj_pred(node);
	ir_node  *new_load = be_transform_node(load);
	dbg_info *dbgi     = get_irn_dbg_info(node);
	long     proj      = get_Proj_proj(node);

	/* renumber the proj */
	switch (get_sparc_irn_opcode(new_load)) {
		case iro_sparc_Load:
			/* handle all gp loads equal: they have the same proj numbers. */
			if (proj == pn_Load_res) {
958
				return new_rd_Proj(dbgi, new_load, mode_Iu, pn_sparc_Load_res);
Hannes Rapp's avatar
Hannes Rapp committed
959
			} else if (proj == pn_Load_M) {
960
				return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Load_M);
Hannes Rapp's avatar
Hannes Rapp committed
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
			}
		break;
	/*
		case iro_sparc_fpaLoad:
			panic("FP not implemented yet");
		break;
	*/
		default:
			panic("Unsupported Proj from Load");
	}

    return be_duplicate_node(node);
}

/**
 * Transform the Projs of a be_AddSP.
 */
978
979
static ir_node *gen_Proj_be_AddSP(ir_node *node)
{
Hannes Rapp's avatar
Hannes Rapp committed
980
981
982
983
984
985
	ir_node  *pred     = get_Proj_pred(node);
	ir_node  *new_pred = be_transform_node(pred);
	dbg_info *dbgi     = get_irn_dbg_info(node);
	long     proj      = get_Proj_proj(node);

	if (proj == pn_be_AddSP_sp) {
986
		ir_node *res = new_rd_Proj(dbgi, new_pred, mode_Iu,
Hannes Rapp's avatar
Hannes Rapp committed
987
988
989
		                           pn_sparc_SubSP_stack);
		arch_set_irn_register(res, &sparc_gp_regs[REG_SP]);
		return res;
990
	} else if (proj == pn_be_AddSP_res) {
991
		return new_rd_Proj(dbgi, new_pred, mode_Iu, pn_sparc_SubSP_stack);
Hannes Rapp's avatar
Hannes Rapp committed
992
	} else if (proj == pn_be_AddSP_M) {
993
		return new_rd_Proj(dbgi, new_pred, mode_M, pn_sparc_SubSP_M);
Hannes Rapp's avatar
Hannes Rapp committed
994
995
996
997
998
999
1000
1001
	}

	panic("Unsupported Proj from AddSP");
}

/**
 * Transform the Projs of a be_SubSP.
 */
1002
1003
static ir_node *gen_Proj_be_SubSP(ir_node *node)
{
Hannes Rapp's avatar
Hannes Rapp committed
1004
1005
1006
1007
1008
1009
	ir_node  *pred     = get_Proj_pred(node);
	ir_node  *new_pred = be_transform_node(pred);
	dbg_info *dbgi     = get_irn_dbg_info(node);
	long     proj      = get_Proj_proj(node);

	if (proj == pn_be_SubSP_sp) {
1010
		ir_node *res = new_rd_Proj(dbgi, new_pred, mode_Iu,
Hannes Rapp's avatar
Hannes Rapp committed
1011
1012
1013
1014
		                           pn_sparc_AddSP_stack);
		arch_set_irn_register(res, &sparc_gp_regs[REG_SP]);
		return res;
	} else if (proj == pn_be_SubSP_M) {
1015
		return new_rd_Proj(dbgi,  new_pred, mode_M, pn_sparc_AddSP_M);
Hannes Rapp's avatar
Hannes Rapp committed
1016
1017
1018
1019
1020
1021
1022
1023
	}

	panic("Unsupported Proj from SubSP");
}

/**
 * Transform the Projs from a Cmp.
 */
1024
1025
static ir_node *gen_Proj_Cmp(ir_node *node)
{
Hannes Rapp's avatar
Hannes Rapp committed
1026
1027
1028
1029
	(void) node;
	panic("not implemented");
}

Hannes Rapp's avatar
Hannes Rapp committed
1030
1031
1032
/**
 * transform Projs from a Div
 */
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
static ir_node *gen_Proj_Div(ir_node *node)
{
	ir_node  *pred     = get_Proj_pred(node);
	ir_node  *new_pred = be_transform_node(pred);
	dbg_info *dbgi     = get_irn_dbg_info(node);
	ir_mode  *mode     = get_irn_mode(node);
	long     proj      = get_Proj_proj(node);

	switch (proj) {
		case pn_Div_res:
Hannes Rapp's avatar
Hannes Rapp committed
1043
1044
			if (is_sparc_Div(new_pred)) {
				return new_rd_Proj(dbgi, new_pred, mode, pn_sparc_Div_res);
1045
1046
1047
1048
1049
1050
1051
1052
1053
			}
		break;
	default:
		break;
	}
	panic("Unsupported Proj from Div");
}


Hannes Rapp's avatar
Hannes Rapp committed
1054
1055
1056
/**
 * Transform a Proj node.
 */
1057
1058
static ir_node *gen_Proj(ir_node *node)
{
Hannes Rapp's avatar
Hannes Rapp committed
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
	ir_graph *irg  = current_ir_graph;
	dbg_info *dbgi = get_irn_dbg_info(node);
	ir_node  *pred = get_Proj_pred(node);
	long     proj  = get_Proj_proj(node);

	(void) irg;
    (void) dbgi;

	if (is_Store(pred)) {
		if (proj == pn_Store_M) {
			return be_transform_node(pred);
		} else {
			panic("Unsupported Proj from Store");
		}
	} else if (is_Load(pred)) {
		return gen_Proj_Load(node);
	} else if (be_is_SubSP(pred)) {
		//panic("gen_Proj not implemented for SubSP");
		return gen_Proj_be_SubSP(node);
	} else if (be_is_AddSP(pred)) {
		//panic("gen_Proj not implemented for AddSP");
		return gen_Proj_be_AddSP(node);
	} else if (is_Cmp(pred)) {
		//panic("gen_Proj not implemented for Cmp");
		return gen_Proj_Cmp(node);
1084
1085
	} else if (is_Div(pred)) {
		return gen_Proj_Div(node);
Hannes Rapp's avatar
Hannes Rapp committed
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
	} else if (is_Start(pred)) {
	/*
		if (proj == pn_Start_X_initial_exec) {
			ir_node *block = get_nodes_block(pred);
			ir_node *jump;

			// we exchange the ProjX with a jump
			block = be_transform_node(block);
			jump  = new_rd_Jmp(dbgi, block);
			return jump;
		}

		if (node == get_irg_anchor(irg, anchor_tls)) {
			return gen_Proj_tls(node);
		}
	*/
	} else {
		ir_node *new_pred = be_transform_node(pred);
		ir_mode *mode     = get_irn_mode(node);
		if (mode_needs_gp_reg(mode)) {
1106
			ir_node *new_proj = new_r_Proj(new_pred, mode_Iu, get_Proj_proj(node));
Hannes Rapp's avatar
Hannes Rapp committed
1107
1108
1109
1110
1111
1112
1113
1114
			new_proj->node_nr = node->node_nr;
			return new_proj;
		}
	}

    return be_duplicate_node(node);
}

1115

Hannes Rapp's avatar
Hannes Rapp committed
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
/**
 * transform a Jmp
 */
static ir_node *gen_Jmp(ir_node *node)
{
	ir_node  *block     = get_nodes_block(node);
	ir_node  *new_block = be_transform_node(block);
	dbg_info *dbgi      = get_irn_dbg_info(node);

	return new_bd_sparc_Jmp(dbgi, new_block);
}

Hannes Rapp's avatar
Hannes Rapp committed
1128
/**
Hannes Rapp's avatar
Hannes Rapp committed
1129
 * the BAD transformer.
Hannes Rapp's avatar
Hannes Rapp committed
1130
 */
Hannes Rapp's avatar
Hannes Rapp committed
1131
static ir_node *bad_transform(ir_node *irn)
Hannes Rapp's avatar
Hannes Rapp committed
1132
{
Hannes Rapp's avatar
Hannes Rapp committed
1133
1134
	panic("SPARC backend: Not implemented: %+F", irn);
}
1135

Hannes Rapp's avatar
Hannes Rapp committed
1136
1137
1138
1139
1140
1141
1142
/**
 * Set a node emitter. Make it a bit more type safe.
 */
static void set_transformer(ir_op *op, be_transform_func sparc_transform_func)
{
	op->ops.generic = (op_func)sparc_transform_func;
}
1143

Hannes Rapp's avatar
Hannes Rapp committed
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
/**
 * configure transformation callbacks
 */
void sparc_register_transformers(void)
{
	clear_irp_opcodes_generic_func();
	set_transformer(op_Add,				gen_Add);
	set_transformer(op_Store,			gen_Store);
	set_transformer(op_Const,			gen_Const);
	set_transformer(op_Load,			gen_Load);
	set_transformer(op_Sub,				gen_Sub);

	set_transformer(op_be_AddSP,     gen_be_AddSP);
	set_transformer(op_be_SubSP,     gen_be_SubSP);
	set_transformer(op_be_Copy,      gen_be_Copy);
	set_transformer(op_be_Call,      gen_be_Call);
	set_transformer(op_be_FrameAddr, gen_be_FrameAddr);

	set_transformer(op_Cond,         gen_Cond);
	set_transformer(op_Cmp,          gen_Cmp);

	set_transformer(op_SymConst,     gen_SymConst);

	set_transformer(op_Phi,          gen_Phi);
	set_transformer(op_Proj,         gen_Proj);

	set_transformer(op_Conv,         gen_Conv);
	set_transformer(op_Jmp,          gen_Jmp);

	set_transformer(op_Mul,          gen_Mul);
	set_transformer(op_Mulh,         gen_Mulh);
	set_transformer(op_Div,          gen_Div);
	set_transformer(op_Abs,          gen_Abs);
	set_transformer(op_Shl,          gen_Shl);
	set_transformer(op_Shr,          gen_Shr);
	set_transformer(op_Shrs,         gen_Shra);

	set_transformer(op_Minus,        gen_Minus);
	set_transformer(op_Not,          gen_Not);
	set_transformer(op_And,          gen_And);
	set_transformer(op_Or,           gen_Or);
	set_transformer(op_Eor,          gen_Xor);

	set_transformer(op_Unknown,      gen_Unknown);
1188

Hannes Rapp's avatar
Hannes Rapp committed
1189
1190
	/* node list */
	/*
1191

Hannes Rapp's avatar
Hannes Rapp committed
1192
1193
1194
	set_transformer(op_CopyB,        gen_CopyB);
	set_transformer(op_Quot,         gen_Quot);
	set_transformer(op_Rotl,         gen_Rotl);
Hannes Rapp's avatar
Hannes Rapp committed
1195
	*/
Hannes Rapp's avatar
Hannes Rapp committed
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225

	set_transformer(op_ASM,       bad_transform);
	set_transformer(op_Builtin,   bad_transform);
	set_transformer(op_CallBegin, bad_transform);
	set_transformer(op_Cast,      bad_transform);
	set_transformer(op_Confirm,   bad_transform);
	set_transformer(op_DivMod,    bad_transform);
	set_transformer(op_EndExcept, bad_transform);
	set_transformer(op_EndReg,    bad_transform);
	set_transformer(op_Filter,    bad_transform);
	set_transformer(op_Free,      bad_transform);
	set_transformer(op_Id,        bad_transform);
	set_transformer(op_InstOf,    bad_transform);

	set_transformer(op_Mux,       bad_transform);
	set_transformer(op_Raise,     bad_transform);
	set_transformer(op_Sel,       bad_transform);
	set_transformer(op_Tuple,     bad_transform);
}


/**
  * Pre-transform all unknown nodes.
  */
static void sparc_pretransform_node(void)
{
	sparc_code_gen_t *cg = env_cg;
	(void) cg;
	//cg->unknown_gp  = be_pre_transform_node(cg->unknown_gp);
	//cg->unknown_fpa = be_pre_transform_node(cg->unknown_fpa);
Hannes Rapp's avatar
Hannes Rapp committed
1226
1227
1228
1229
1230
1231
1232
1233
1234
}

/**
 * Transform a Firm graph into a SPARC graph.
 */
void sparc_transform_graph(sparc_code_gen_t *cg)
{
	sparc_register_transformers();
	env_cg = cg;
Hannes Rapp's avatar
Hannes Rapp committed
1235
	be_transform_graph(cg->irg, sparc_pretransform_node);
Hannes Rapp's avatar
Hannes Rapp committed
1236
1237
1238
1239
1240
1241
}

void sparc_init_transform(void)
{
	FIRM_DBG_REGISTER(dbg, "firm.be.sparc.transform");
}