amd64_transform.c 81.9 KB
Newer Older
1
2
/*
 * This file is part of libFirm.
3
 * Copyright (C) 2012 University of Karlsruhe.
4
5
6
7
8
9
 */

/**
 * @file
 * @brief   code selection (transform FIRM into amd64 FIRM)
 */
Matthias Braun's avatar
Matthias Braun committed
10
#include "debug.h"
Matthias Braun's avatar
Matthias Braun committed
11
#include "panic.h"
Matthias Braun's avatar
Matthias Braun committed
12
13
14
#include "heights.h"
#include "ircons.h"
#include "irgmod.h"
15
16
#include "irgraph_t.h"
#include "irmode_t.h"
Matthias Braun's avatar
Matthias Braun committed
17
#include "irnode_t.h"
18
#include "iropt_t.h"
19
#include "tv_t.h"
Matthias Braun's avatar
Matthias Braun committed
20
#include "util.h"
21

22
23
#include "benode.h"
#include "betranshlp.h"
24
#include "bearch_amd64_t.h"
25
#include "beirg.h"
Matthias Braun's avatar
Matthias Braun committed
26
#include "besched.h"
27

Matthias Braun's avatar
Matthias Braun committed
28
#include "amd64_new_nodes.h"
29
30
#include "amd64_nodes_attr.h"
#include "amd64_transform.h"
Matthias Braun's avatar
Matthias Braun committed
31
#include "../ia32/x86_address_mode.h"
32
#include "../ia32/x86_cconv.h"
33
34
35
36
37

#include "gen_amd64_regalloc_if.h"

DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)

38
static ir_mode         *mode_gp;
Matthias Braun's avatar
Matthias Braun committed
39
static ir_mode         *mode_flags;
40
static x86_cconv_t     *current_cconv = NULL;
41
static be_start_info_t  start_mem;
42
static be_start_info_t  start_val[N_AMD64_REGISTERS];
43
44
45
static size_t           start_params_offset;
static pmap            *node_to_stack;
static be_stackorder_t *stackorder;
46

Matthias Braun's avatar
Matthias Braun committed
47
static const arch_register_req_t amd64_requirement_gp = {
48
49
50
51
52
53
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = NULL,
	.type            = arch_register_req_type_normal,
	.other_same      = 0,
	.other_different = 0,
	.width           = 1,
54
55
56
};

static const arch_register_req_t amd64_requirement_flags = {
57
58
59
60
61
62
	.cls             = &amd64_reg_classes[CLASS_amd64_flags],
	.limited         = NULL,
	.type            = arch_register_req_type_normal,
	.other_same      = 0,
	.other_different = 0,
	.width           = 1,
63
64
65
};

static const arch_register_req_t amd64_requirement_xmm = {
66
67
68
69
70
71
	.cls             = &amd64_reg_classes[CLASS_amd64_xmm],
	.limited         = NULL,
	.type            = arch_register_req_type_normal,
	.other_same      = 0,
	.other_different = 0,
	.width           = 1,
Matthias Braun's avatar
Matthias Braun committed
72
73
};

Matthias Braun's avatar
Matthias Braun committed
74
75
76
#define BIT(x)    (1u << x)

static const arch_register_req_t amd64_requirement_gp_same_0 = {
77
78
79
80
81
82
83
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = NULL,
	.type            = arch_register_req_type_normal
	                   | arch_register_req_type_should_be_same,
	.other_same      = BIT(0),
	.other_different = 0,
	.width           = 1,
Matthias Braun's avatar
Matthias Braun committed
84
85
};

86
static const arch_register_req_t amd64_requirement_xmm_same_0 = {
87
88
89
90
91
92
93
	.cls             = &amd64_reg_classes[CLASS_amd64_xmm],
	.limited         = NULL,
	.type            = arch_register_req_type_normal
	                   | arch_register_req_type_should_be_same,
	.other_same      = BIT(0),
	.other_different = 0,
	.width           = 1,
94
95
};

Matthias Braun's avatar
Matthias Braun committed
96
static const arch_register_req_t amd64_requirement_gp_same_0_not_1 = {
97
98
99
100
101
102
103
104
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = NULL,
	.type            = arch_register_req_type_normal
	                   | arch_register_req_type_should_be_same
	                   | arch_register_req_type_must_be_different,
	.other_same      = BIT(0),
	.other_different = BIT(1),
	.width           = 1,
Matthias Braun's avatar
Matthias Braun committed
105
106
107
108
};

static const unsigned amd64_limited_gp_rcx [] = { BIT(REG_GP_RCX) };
static const arch_register_req_t amd64_requirement_rcx = {
109
110
111
112
113
114
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = amd64_limited_gp_rcx,
	.type            = arch_register_req_type_limited,
	.other_same      = 0,
	.other_different = 0,
	.width           = 1,
Matthias Braun's avatar
Matthias Braun committed
115
116
};

117
118
static const unsigned amd64_limited_gp_rax [] = { BIT(REG_GP_RAX) };
static const arch_register_req_t amd64_requirement_rax = {
119
120
121
122
123
124
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = amd64_limited_gp_rax,
	.type            = arch_register_req_type_limited,
	.other_same      = 0,
	.other_different = 0,
	.width           = 1,
125
126
};

127
128
static const unsigned amd64_limited_gp_rdx [] = { BIT(REG_GP_RDX) };
static const arch_register_req_t amd64_requirement_rdx = {
129
130
131
132
133
134
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = amd64_limited_gp_rdx,
	.type            = arch_register_req_type_limited,
	.other_same      = 0,
	.other_different = 0,
	.width           = 1,
135
136
};

Tobias Rapp's avatar
Tobias Rapp committed
137
138
139
140
141
142
143
144
145
146
static const unsigned amd64_limited_gp_rsp [] = { BIT(REG_GP_RSP) };
static const arch_register_req_t amd64_requirement_rsp = {
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = amd64_limited_gp_rsp,
	.type            = arch_register_req_type_limited,
	.other_same      = 0,
	.other_different = 0,
	.width           = 1,
};

Matthias Braun's avatar
Matthias Braun committed
147
148
149
150
151
152
static const arch_register_req_t *mem_reqs[] = {
	&arch_no_requirement,
};

static const arch_register_req_t *reg_mem_reqs[] = {
	&amd64_requirement_gp,
Matthias Braun's avatar
Matthias Braun committed
153
154
155
	&arch_no_requirement,
};

Tobias Rapp's avatar
Tobias Rapp committed
156
157
158
159
160
161
162
163
164
165
166
static const arch_register_req_t *rsp_mem_reqs[] = {
	&amd64_requirement_rsp,
	&arch_no_requirement,
};

static const arch_register_req_t *rsp_reg_mem_reqs[] = {
	&amd64_requirement_rsp,
	&amd64_requirement_gp,
	&arch_no_requirement,
};

167
168
169
170
171
static const arch_register_req_t *xmm_mem_reqs[] = {
	&amd64_requirement_xmm,
	&arch_no_requirement,
};

Matthias Braun's avatar
Matthias Braun committed
172
173
static const arch_register_req_t *reg_reg_mem_reqs[] = {
	&amd64_requirement_gp,
Matthias Braun's avatar
Matthias Braun committed
174
175
176
177
	&amd64_requirement_gp,
	&arch_no_requirement,
};

178
179
180
181
182
183
static const arch_register_req_t *xmm_reg_mem_reqs[] = {
	&amd64_requirement_xmm,
	&amd64_requirement_gp,
	&arch_no_requirement,
};

Matthias Braun's avatar
Matthias Braun committed
184
185
static const arch_register_req_t *reg_reg_reg_mem_reqs[] = {
	&amd64_requirement_gp,
Matthias Braun's avatar
Matthias Braun committed
186
187
188
189
190
	&amd64_requirement_gp,
	&amd64_requirement_gp,
	&arch_no_requirement,
};

191
192
193
194
195
196
197
static const arch_register_req_t *xmm_reg_reg_mem_reqs[] = {
	&amd64_requirement_xmm,
	&amd64_requirement_gp,
	&amd64_requirement_gp,
	&arch_no_requirement,
};

Tobias Rapp's avatar
Tobias Rapp committed
198
static const arch_register_req_t *reg_flags_reqs[] = {
199
200
201
202
	&amd64_requirement_gp,
	&amd64_requirement_flags,
};

Matthias Braun's avatar
Matthias Braun committed
203
204
static const arch_register_req_t *reg_reg_reqs[] = {
	&amd64_requirement_gp,
205
206
207
	&amd64_requirement_gp,
};

208
209
210
211
212
static const arch_register_req_t *rax_reg_reqs[] = {
	&amd64_requirement_rax,
	&amd64_requirement_gp,
};

213
static const arch_register_req_t *rax_reg_rdx_mem_reqs[] = {
214
215
216
	&amd64_requirement_rax,
	&amd64_requirement_gp,
	&amd64_requirement_rdx,
217
	&arch_no_requirement,
218
219
};

Matthias Braun's avatar
Matthias Braun committed
220
221
222
223
static const arch_register_req_t *reg_reqs[] = {
	&amd64_requirement_gp,
};

224
225
226
227
static const arch_register_req_t *xmm_reqs[] = {
	&amd64_requirement_xmm,
};

Matthias Braun's avatar
Matthias Braun committed
228
229
230
231
232
static const arch_register_req_t *reg_rcx_reqs[] = {
	&amd64_requirement_gp,
	&amd64_requirement_rcx,
};

233
234
235
static const arch_register_req_t *no_reqs[] = {
};

236
237
238
239
240
static const arch_register_req_t *xmm_xmm_reqs[] = {
	&amd64_requirement_xmm,
	&amd64_requirement_xmm,
};

Matthias Braun's avatar
Matthias Braun committed
241
242
static inline bool mode_needs_gp_reg(ir_mode *mode)
{
243
244
	return get_mode_arithmetic(mode) == irma_twos_complement
	    && mode != amd64_mode_xmm; /* mode_xmm is 128bit int at the moment */
Matthias Braun's avatar
Matthias Braun committed
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
}

static bool is_downconv(const ir_node *node)
{
	if (!is_Conv(node))
		return false;

	ir_mode *dest_mode = get_irn_mode(node);
	if (!mode_needs_gp_reg(dest_mode))
		return false;
	ir_mode *src_mode = get_irn_mode(get_Conv_op(node));
	if (!mode_needs_gp_reg(src_mode))
		return false;
	return get_mode_size_bits(dest_mode) <= get_mode_size_bits(src_mode);
}

static ir_node *skip_downconv(ir_node *node)
{
	while (is_downconv(node)) {
		if (get_irn_n_edges(node) > 1)
			break;
		node = get_Conv_op(node);
	}
	return node;
}

static bool is_sameconv(const ir_node *node)
{
	if (!is_Conv(node))
		return false;
	ir_mode *dest_mode = get_irn_mode(node);
	if (!mode_needs_gp_reg(dest_mode))
		return false;
	ir_mode *src_mode = get_irn_mode(get_Conv_op(node));
	if (!mode_needs_gp_reg(src_mode))
		return false;
	return get_mode_size_bits(dest_mode) == get_mode_size_bits(src_mode);
}

static ir_node *skip_sameconv(ir_node *node)
285
{
Matthias Braun's avatar
Matthias Braun committed
286
287
288
289
290
291
	while (is_sameconv(node)) {
		if (get_irn_n_edges(node) > 1)
			break;
		node = get_Conv_op(node);
	}
	return node;
292
293
}

294
295
static ir_node *get_initial_sp(ir_graph *irg)
{
296
	return be_get_start_proj(irg, &start_val[REG_RSP]);
297
298
299
300
}

static ir_node *get_initial_fp(ir_graph *irg)
{
301
	return be_get_start_proj(irg, &start_val[REG_RBP]);
302
303
304
305
}

static ir_node *get_initial_mem(ir_graph *irg)
{
306
	return be_get_start_proj(irg, &start_mem);
307
308
309
310
311
312
313
314
315
316
}

static ir_node *get_frame_base(ir_graph *irg)
{
	if (current_cconv->omit_fp) {
		return get_initial_sp(irg);
	} else {
		return get_initial_fp(irg);
	}
}
317

318
319
320
static amd64_insn_mode_t get_insn_mode_from_mode(const ir_mode *mode)
{
	switch (get_mode_size_bits(mode)) {
321
322
323
324
325
	case   8: return INSN_MODE_8;
	case  16: return INSN_MODE_16;
	case  32: return INSN_MODE_32;
	case  64: return INSN_MODE_64;
	case 128: return INSN_MODE_128;
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
	}
	panic("unexpected mode");
}

ir_entity *create_float_const_entity(ir_graph *const irg,
                                     ir_tarval *const tv)
{
	const arch_env_t *arch_env = be_get_irg_arch_env(irg);
	amd64_isa_t      *isa      = (amd64_isa_t*) arch_env;
	ir_entity        *entity   = pmap_get(ir_entity, isa->constants, tv);
	if (entity != NULL)
		return entity;

	ir_mode *mode = get_tarval_mode(tv);
	ir_type *type = get_type_for_mode(mode);
	ir_type *glob = get_glob_type();

	entity = new_entity(glob, id_unique("C%u"), type);
	set_entity_visibility(entity, ir_visibility_private);
	add_entity_linkage(entity, IR_LINKAGE_CONSTANT);

	ir_initializer_t *initializer = create_initializer_tarval(tv);
	set_entity_initializer(entity, initializer);

	pmap_insert(isa->constants, tv, entity);
	return entity;
}

354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
typedef enum reference_mode_t {
	REFERENCE_DIRECT,
	REFERENCE_IP_RELATIVE,
	REFERENCE_GOT,
} reference_mode_t;

static reference_mode_t need_relative_addressing(const ir_entity *entity)
{
	if (!be_options.pic)
		return REFERENCE_DIRECT;

	/* simply everything is instruction pointer relative, external functions
	 * use a global offset table */
	return entity_has_definition(entity)
	   && (get_entity_linkage(entity) & IR_LINKAGE_MERGE) == 0
	    ? REFERENCE_IP_RELATIVE : REFERENCE_GOT;
}

372
static ir_node *create_float_const(dbg_info *dbgi, ir_node *block,
Matthias Braun's avatar
Matthias Braun committed
373
                                   ir_tarval *tv)
374
375
376
377
378
379
380
381
382
383
384
385
386
387
{
	ir_graph  *irg     = get_irn_irg(block);
	ir_mode   *tv_mode = get_tarval_mode(tv);
	ir_entity *entity  = create_float_const_entity(irg, tv);
	ir_node   *nomem   = get_irg_no_mem(irg);

	ir_node *in[] = { nomem };
	amd64_addr_t addr;
	memset(&addr, 0, sizeof(addr));

	addr.immediate.entity       = entity;
	amd64_insn_mode_t insn_mode = get_insn_mode_from_mode(tv_mode);

	addr.index_input = NO_INPUT;
388
389
390
391
392
393
	if (need_relative_addressing(entity) == REFERENCE_DIRECT) {
		addr.base_input = NO_INPUT;
	} else {
		assert(need_relative_addressing(entity) == REFERENCE_IP_RELATIVE);
		addr.base_input = RIP_INPUT;
	}
394
395
396
397
398
399
400
401
402
403
404
405
406

	ir_node *load = new_bd_amd64_xMovs(dbgi, block, ARRAY_SIZE(in), in,
	                                   insn_mode, AMD64_OP_ADDR, addr);

	arch_set_irn_register_reqs_in(load, mem_reqs);
	set_irn_pinned(load, op_pin_state_floats);

	return new_r_Proj(load, tv_mode, pn_amd64_xMovs_res);
}

ir_tarval *create_sign_tv(ir_mode *mode)
{
	unsigned size = get_mode_size_bits(mode);
407
408
409
410
411
	assert(size == 32 || size == 64);
	ir_mode *intmode = size == 32 ? mode_Iu : mode_Lu;
	ir_tarval *one  = get_mode_one(intmode);
	ir_tarval *sign = tarval_shl_unsigned(one, size-1);
	return tarval_bitcast(sign, mode);
412
413
}

414
415
static ir_node *gen_Const(ir_node *node)
{
416
	ir_node  *block = be_transform_node(get_nodes_block(node));
417
	dbg_info *dbgi  = get_irn_dbg_info(node);
418
	ir_mode  *mode  = get_irn_mode(node);
419
	ir_tarval *tv = get_Const_tarval(node);
420
421
422

	if (!mode_needs_gp_reg(mode)) {
		if (tarval_is_null(tv)) {
423
			return new_bd_amd64_xXorp0(dbgi, block);
424
425
		}

426
		return create_float_const(dbgi, block, tv);
427
428
	}

429
430
	uint64_t val = get_tarval_uint64(tv);
	amd64_insn_mode_t imode = val > UINT32_MAX ? INSN_MODE_64 : INSN_MODE_32;
Matthias Braun's avatar
Matthias Braun committed
431
	return new_bd_amd64_MovImm(dbgi, block, imode, val, NULL);
432
433
}

434
static ir_node *gen_Address(ir_node *node)
435
436
437
{
	ir_node   *block  = be_transform_node(get_nodes_block(node));
	dbg_info  *dbgi   = get_irn_dbg_info(node);
438
	ir_entity *entity = get_Address_entity(node);
439

Matthias Braun's avatar
Matthias Braun committed
440
441
	/* do we need RIP-relative addressing because of PIC? */
	reference_mode_t mode = need_relative_addressing(entity);
Matthias Braun's avatar
Matthias Braun committed
442
	if (mode == REFERENCE_DIRECT)
Matthias Braun's avatar
Matthias Braun committed
443
444
445
446
		return new_bd_amd64_MovImm(dbgi, block, INSN_MODE_64, 0, entity);

	amd64_addr_t addr;
	memset(&addr, 0, sizeof(addr));
447
	addr.base_input  = NO_INPUT;
Matthias Braun's avatar
Matthias Braun committed
448
449
	addr.index_input = NO_INPUT;
	addr.mem_input   = NO_INPUT;
Matthias Braun's avatar
Matthias Braun committed
450
451

	if (mode == REFERENCE_IP_RELATIVE) {
452
		addr.base_input       = RIP_INPUT;
Matthias Braun's avatar
Matthias Braun committed
453
		addr.immediate.entity = entity;
454
		return new_bd_amd64_Lea(dbgi, block, 0, NULL, INSN_MODE_64, addr);
Matthias Braun's avatar
Matthias Braun committed
455
456
	} else {
		assert(mode == REFERENCE_GOT);
Matthias Braun's avatar
Matthias Braun committed
457
		addr.immediate.entity = new_got_entry_entity(entity);
458
459
		ir_node *load = new_bd_amd64_Mov(dbgi, block, 0, NULL, INSN_MODE_64,
										 AMD64_OP_ADDR, addr);
Matthias Braun's avatar
Matthias Braun committed
460
		return new_r_Proj(load, mode_gp, pn_amd64_Mov_res);
Matthias Braun's avatar
Matthias Braun committed
461
462
463
	}
}

464
465
ir_node *amd64_new_IncSP(ir_node *block, ir_node *old_sp, int offset,
                         unsigned align)
Tobias Rapp's avatar
Tobias Rapp committed
466
{
467
468
469
470
	ir_node *incsp = be_new_IncSP(&amd64_registers[REG_RSP], block, old_sp,
	                              offset, align);
	arch_add_irn_flags(incsp, arch_irn_flag_modify_flags);
	return incsp;
Tobias Rapp's avatar
Tobias Rapp committed
471
472
}

Matthias Braun's avatar
Matthias Braun committed
473
typedef ir_node *(*construct_binop_func)(dbg_info *dbgi, ir_node *block,
Matthias Braun's avatar
Matthias Braun committed
474
	int arity, ir_node *in[], const amd64_binop_addr_attr_t *attr_init);
Matthias Braun's avatar
Matthias Braun committed
475

476
477
478
479
typedef ir_node *(*construct_rax_binop_func)(dbg_info *dbgi, ir_node *block,
	int arity, ir_node *in[], amd64_insn_mode_t insn_mode,
	amd64_op_mode_t op_mode, amd64_addr_t addr);

Matthias Braun's avatar
Matthias Braun committed
480
481
482
483
484
485
486
487
typedef enum match_flags_t {
	match_am           = 1 << 0,
	match_mode_neutral = 1 << 1,
	match_immediate    = 1 << 2,
	match_commutative  = 1 << 3,
} match_flags_t;

typedef struct amd64_args_t {
Matthias Braun's avatar
Matthias Braun committed
488
489
490
491
	amd64_binop_addr_attr_t     attr;
	ir_node                    *mem_proj;
	ir_node                    *in[4];
	int                         arity;
Matthias Braun's avatar
Matthias Braun committed
492
493
494
	const arch_register_req_t **reqs;
} amd64_args_t;

Matthias Braun's avatar
Matthias Braun committed
495
static bool match_immediate_32(amd64_imm32_t *imm, const ir_node *op,
496
497
                               bool can_match_ip_relative,
                               bool upper32_dont_care)
Matthias Braun's avatar
Matthias Braun committed
498
499
{
	assert(mode_needs_gp_reg(get_irn_mode(op)));
Matthias Braun's avatar
Matthias Braun committed
500
	assert(imm->offset == 0 && imm->entity == NULL);
Matthias Braun's avatar
Matthias Braun committed
501
502
503
504
505
506
507
508
	if (is_Const(op)) {
		ir_tarval *tv = get_Const_tarval(op);
		if (!tarval_is_long(tv))
			return false;
		long    lval = get_tarval_long(tv);
		int32_t val  = (int32_t)lval;
		if ((long)val != lval)
			return false;
509
510
511
512
513
		/** the immediate value is signed extended to 64bit, sometimes
		 * this is not what we want. */
		if (!upper32_dont_care && val < 0
		    && !mode_is_signed(get_tarval_mode(tv)))
		    return false;
Matthias Braun's avatar
Matthias Braun committed
514
515
516
517
518
519
		imm->offset = val;
		return true;
	} else if (can_match_ip_relative && is_Address(op)) {
		/* TODO: check if entity is in lower 4GB address space/relative */
		ir_entity *entity = get_Address_entity(op);
		imm->entity = entity;
Matthias Braun's avatar
Matthias Braun committed
520
521
		return true;
	}
Matthias Braun's avatar
Matthias Braun committed
522
	/* TODO: SymConst, Add(SymConst, Const) ... */
Matthias Braun's avatar
Matthias Braun committed
523
524
525
526
527
	return false;
}

static ir_heights_t *heights;

528
529
530
531
532
533
534
535
536
static bool input_depends_on_load(ir_node *load, ir_node *input)
{
	ir_node *block = get_nodes_block(load);
	/* if the dependency is in another block, then we ignore it for now
	   as we only match address mode loads in the same block. */
	return get_nodes_block(input) == block
	    && heights_reachable_in_block(heights, input, load);
}

Tobias Rapp's avatar
Tobias Rapp committed
537
538
539
540
541
542
543
544
545
static void fix_node_mem_proj(ir_node *node, ir_node *mem_proj)
{
	if (mem_proj == NULL)
		return;

	ir_node *load = get_Proj_pred(mem_proj);
	be_set_transformed_node(load, node);
}

546
static ir_node *source_am_possible(ir_node *block, ir_node *node)
Matthias Braun's avatar
Matthias Braun committed
547
548
{
	if (!is_Proj(node))
549
		return NULL;
Matthias Braun's avatar
Matthias Braun committed
550
551
	ir_node *load = get_Proj_pred(node);
	if (!is_Load(load))
552
		return NULL;
553
	assert(get_Proj_num(node) == pn_Load_res);
Matthias Braun's avatar
Matthias Braun committed
554
	if (get_nodes_block(load) != block)
555
		return NULL;
Matthias Braun's avatar
Matthias Braun committed
556
557
	/* make sure we are the only user */
	if (get_irn_n_edges(node) != 1)
558
		return NULL;
Matthias Braun's avatar
Matthias Braun committed
559
560
561
	/* ia32 backend claims this can happen, use an assert for now and see
	 * if we hit it :) */
	assert(!be_is_transformed(node));
562
	return load;
Matthias Braun's avatar
Matthias Braun committed
563
564
565
566
567
568
569
570
571
572
}

static bool needs_extension(ir_node *op)
{
	ir_mode *mode = get_irn_mode(op);
	if (get_mode_size_bits(mode) >= 32)
		return false;
	return !be_upper_bits_clean(op, mode);
}

Tobias Rapp's avatar
Tobias Rapp committed
573
static ir_node *create_sext(ir_node *block, ir_node *const node, ir_mode *mode)
574
575
576
{
	amd64_insn_mode_t insn_mode = get_insn_mode_from_mode(mode);
	dbg_info *const   dbgi      = get_irn_dbg_info(node);
Tobias Rapp's avatar
Tobias Rapp committed
577
578
	ir_node  *const   new_node  = be_transform_node(node);
	ir_node  *const   new_block = be_transform_node(block);
579
580
581
582
583
584

	amd64_shift_attr_t attr;
	memset(&attr, 0, sizeof(attr));
	attr.base.op_mode = AMD64_OP_SHIFT_IMM;
	attr.insn_mode    = insn_mode;
	attr.immediate    = get_mode_size_bits(mode) - 1;
Tobias Rapp's avatar
Tobias Rapp committed
585
	ir_node *in[1]    = { new_node };
586
	ir_node *sar      = new_bd_amd64_Sar(dbgi, new_block, ARRAY_SIZE(in),
Tobias Rapp's avatar
Tobias Rapp committed
587
	                                     in, &attr);
588

589
590
591
	arch_set_irn_register_reqs_in(sar, reg_reqs);
	arch_set_irn_register_req_out(sar, 0, &amd64_requirement_gp_same_0);
	return new_r_Proj(sar, mode_gp, pn_amd64_Sar_res);
592
593
}

Tobias Rapp's avatar
Tobias Rapp committed
594
static ir_node *create_zext(ir_node *block, ir_node *const node)
595
{
Tobias Rapp's avatar
Tobias Rapp committed
596
597
	dbg_info *const dbgi      = get_irn_dbg_info(node);
	ir_node  *const new_block = be_transform_node(block);
598
599
600
	ir_node  *const xor0      = new_bd_amd64_Xor0(dbgi, new_block);
	arch_set_irn_register_reqs_in(xor0, reg_reqs);
	return new_r_Proj(xor0, mode_gp, pn_amd64_Xor0_res);
601
602
}

Tobias Rapp's avatar
Tobias Rapp committed
603
604
static bool use_address_matching(ir_mode *mode, match_flags_t flags,
                                 ir_node *block,
605
606
607
                                 ir_node *op1, ir_node *op2,
                                 ir_node **out_load, ir_node **out_op)
{
608
609
	if (! (flags & match_am))
		return false;
610

Tobias Rapp's avatar
Tobias Rapp committed
611
612
613
614
	unsigned mode_bits = get_mode_size_bits(mode);
	if (mode_bits == 8 || mode_bits == 16)
		return false;

615
616
617
	ir_node *load2 = source_am_possible(block, op2);
	if (load2 != NULL && !input_depends_on_load(load2, op1)) {
		(*out_load) = load2;
618
619
		(*out_op)   = op1;
		return true;
620
621
622
623
624
625
626
627
628
	}

	if (flags & match_commutative) {
		ir_node *load1 = source_am_possible(block, op1);
		if (load1 != NULL && !input_depends_on_load(load1, op2)) {
			(*out_load) = load1;
			(*out_op)   = op2;
			return true;
		}
629
630
631
632
	}
	return false;
}

633
634
static void perform_address_matching(ir_node *ptr, int *arity,
                                     ir_node **in, amd64_addr_t *addr)
635
636
637
{
	x86_address_t maddr;
	memset(&maddr, 0, sizeof(maddr));
638
	x86_create_address_mode(&maddr, ptr, x86_create_am_normal);
639
640
641
642
643
644

	if (maddr.base != NULL) {
		int base_input   = (*arity)++;
		addr->base_input = base_input;
		in[base_input]   = be_transform_node(maddr.base);
	} else {
645
646
647
648
649
650
651
		ir_entity *entity = maddr.entity;
		if (entity != NULL
		    && need_relative_addressing(entity) != REFERENCE_DIRECT) {
		    addr->base_input = RIP_INPUT;
		} else {
			addr->base_input = NO_INPUT;
		}
652
653
654
655
656
657
658
659
	}
	if (maddr.index != NULL) {
		int index_input = (*arity)++;
		addr->index_input = index_input;
		in[index_input]  = be_transform_node(maddr.index);
	} else {
		addr->index_input = NO_INPUT;
	}
660
661
662
663
664
665
666
667
668
669
	if (maddr.frame_entity != NULL) {
		assert(maddr.entity == NULL);
		addr->immediate.entity = maddr.frame_entity;
		/* not supported yet */
		assert(!is_parameter_entity(maddr.frame_entity)
		       || get_entity_parameter_number(maddr.frame_entity)
		          != IR_VA_START_PARAMETER_NUMBER);
	} else {
		addr->immediate.entity = maddr.entity;
	}
670
671
672
673
	addr->immediate.offset = maddr.offset;
	addr->log_scale        = maddr.scale;
}

Matthias Braun's avatar
Matthias Braun committed
674
675
676
static void match_binop(amd64_args_t *args, ir_node *block,
                        ir_mode *mode, ir_node *op1, ir_node *op2,
                        match_flags_t flags)
Matthias Braun's avatar
Matthias Braun committed
677
678
679
{
	memset(args, 0, sizeof(*args));

680
	bool use_am;
681
	bool use_xmm       = mode_is_float(mode);
Matthias Braun's avatar
Matthias Braun committed
682
	bool use_immediate = flags & match_immediate;
683
	bool mode_neutral  = flags & match_mode_neutral;
Matthias Braun's avatar
Matthias Braun committed
684

Matthias Braun's avatar
Matthias Braun committed
685
	args->attr.base.insn_mode = get_insn_mode_from_mode(mode);
Matthias Braun's avatar
Matthias Braun committed
686
687

	/* TODO: legalize phase */
688
	if (mode_neutral) {
Matthias Braun's avatar
Matthias Braun committed
689
690
691
692
693
694
695
696
697
		op1 = skip_downconv(op1);
		op2 = skip_downconv(op2);
	} else {
		/* TODO: extend inputs? */
		(void)needs_extension;
	}

	ir_node *load;
	ir_node *op;
698

Tobias Rapp's avatar
Tobias Rapp committed
699
	use_am = use_address_matching(mode, flags, block, op1, op2, &load, &op);
700

701
702
	if (use_immediate
	    && match_immediate_32(&args->attr.u.immediate, op2, false, mode_neutral)) {
703
		assert(!use_xmm && "Can't (yet) match binop with xmm immediate");
Matthias Braun's avatar
Matthias Braun committed
704
		/* fine, we found an immediate */
Matthias Braun's avatar
Matthias Braun committed
705
706
707
		args->attr.base.base.op_mode = AMD64_OP_REG_IMM;
		args->in[args->arity++]      = be_transform_node(op1);
		args->reqs                   = reg_reqs;
708
	} else if (use_am) {
Matthias Braun's avatar
Matthias Braun committed
709
710
711
712
		ir_node *new_op        = be_transform_node(op);
		int      reg_input     = args->arity++;
		args->attr.u.reg_input = reg_input;
		args->in[reg_input]    = new_op;
713
		amd64_addr_t *addr     = &args->attr.base.addr;
Matthias Braun's avatar
Matthias Braun committed
714

715
716
717
		ir_node *ptr = get_Load_ptr(load);
		perform_address_matching(ptr, &(args->arity), args->in, addr);

718
		args->reqs = use_xmm ? xmm_mem_reqs : reg_mem_reqs;
719
		if (addr->base_input != NO_INPUT && addr->index_input != NO_INPUT) {
720
			args->reqs = use_xmm ? xmm_reg_reg_mem_reqs
721
			             : reg_reg_reg_mem_reqs;
722
		} else if (addr->base_input != NO_INPUT || addr->index_input != NO_INPUT) {
723
			args->reqs = use_xmm ? xmm_reg_mem_reqs
724
			             : reg_reg_mem_reqs;
725
726
727
728
729
		}
		ir_node *new_mem    = be_transform_node(get_Load_mem(load));
		int mem_input       = args->arity++;
		args->in[mem_input] = new_mem;
		addr->mem_input     = mem_input;
730

731
		args->mem_proj      = get_Proj_for_pn(load, pn_Load_M);
732
		args->attr.base.base.op_mode = AMD64_OP_ADDR_REG;
Matthias Braun's avatar
Matthias Braun committed
733
734
735
736
	} else {
		/* simply transform the arguments */
		args->in[args->arity++] = be_transform_node(op1);
		args->in[args->arity++] = be_transform_node(op2);
Matthias Braun's avatar
Matthias Braun committed
737
		args->attr.base.base.op_mode = AMD64_OP_REG_REG;
738

739
		args->reqs = use_xmm ? xmm_xmm_reqs : reg_reg_reqs;
Matthias Braun's avatar
Matthias Braun committed
740
741
742
743
744
745
746
747
748
	}
}

static ir_node *gen_binop_am(ir_node *node, ir_node *op1, ir_node *op2,
                             construct_binop_func func, match_flags_t flags)
{
	ir_node *block = get_nodes_block(node);
	ir_mode *mode  = get_irn_mode(node);
	amd64_args_t args;
Matthias Braun's avatar
Matthias Braun committed
749
	match_binop(&args, block, mode, op1, op2, flags);
Matthias Braun's avatar
Matthias Braun committed
750
751
752
753

	dbg_info *const dbgi      = get_irn_dbg_info(node);
	ir_node  *const new_block = be_transform_node(block);

Matthias Braun's avatar
Matthias Braun committed
754
	ir_node *new_node = func(dbgi, new_block, args.arity, args.in, &args.attr);
Matthias Braun's avatar
Matthias Braun committed
755
	arch_set_irn_register_reqs_in(new_node, args.reqs);
756

Tobias Rapp's avatar
Tobias Rapp committed
757
	fix_node_mem_proj(new_node, args.mem_proj);
Matthias Braun's avatar
Matthias Braun committed
758

759
760
761
	if (mode_is_float(mode)) {
		arch_set_irn_register_req_out(new_node, 0,
		                              &amd64_requirement_xmm_same_0);
762
		return new_r_Proj(new_node, amd64_mode_xmm, pn_amd64_xSubs_res);
763
764
765
766
767
	} else {
		arch_set_irn_register_req_out(new_node, 0,
		                              &amd64_requirement_gp_same_0);
		return new_r_Proj(new_node, mode_gp, pn_amd64_Sub_res);
	}
Matthias Braun's avatar
Matthias Braun committed
768
769
}

770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
static ir_node *gen_binop_rax(ir_node *node, ir_node *op1, ir_node *op2,
                              construct_rax_binop_func make_node,
                              match_flags_t flags)
{
	bool use_am;
	bool mode_neutral  = flags & match_mode_neutral;
	assert(! (flags & match_immediate));

	ir_mode *mode = get_irn_mode(op1);
	amd64_insn_mode_t insn_mode = get_insn_mode_from_mode(mode);

	/* TODO: legalize phase */
	if (mode_neutral) {
		op1 = skip_downconv(op1);
		op2 = skip_downconv(op2);
	} else {
		/* TODO: extend inputs? */
		(void)needs_extension;
	}

	ir_node *load;
	ir_node *op;
	ir_node *block = get_nodes_block(node);
	ir_node *in[4];
	int      arity = 0;
	const arch_register_req_t **reqs;
	amd64_op_mode_t op_mode;
	amd64_addr_t    addr;
	memset(&addr, 0, sizeof(addr));

Tobias Rapp's avatar
Tobias Rapp committed
800
	use_am = use_address_matching(mode, flags, block, op1, op2, &load, &op);
801

802
	ir_node *mem_proj = NULL;
803
804
805
806
807
	if (use_am) {
		ir_node *new_op    = be_transform_node(op);
		int      reg_input = arity++;
		in[reg_input]      = new_op;

808
809
810
811
812
813
		ir_node *ptr = get_Load_ptr(load);
		perform_address_matching(ptr, &arity, in, &addr);

		reqs = reg_mem_reqs;
		if (addr.base_input != NO_INPUT && addr.index_input != NO_INPUT) {
			reqs = reg_reg_reg_mem_reqs;
814
		} else if (addr.base_input != NO_INPUT || addr.index_input != NO_INPUT) {
815
816
817
818
819
820
821
			reqs = reg_reg_mem_reqs;
		}

		ir_node *new_mem = be_transform_node(get_Load_mem(load));
		int mem_input    = arity++;
		in[mem_input]    = new_mem;
		addr.mem_input   = mem_input;
822

823
		mem_proj                = get_Proj_for_pn(load, pn_Load_M);
824
825
826
		op_mode                 = AMD64_OP_RAX_ADDR;
	} else {
		/* simply transform the arguments */
827
828
829
830
		in[arity++] = be_transform_node(op1);
		in[arity++] = be_transform_node(op2);
		reqs        = rax_reg_reqs;
		op_mode     = AMD64_OP_RAX_REG;
831
832
	}

833
	assert((size_t)arity <= ARRAY_SIZE(in));
834
835
836
837
838
	dbg_info *dbgi      = get_irn_dbg_info(node);
	ir_node  *new_block = be_transform_node(block);
	ir_node  *new_node  = make_node(dbgi, new_block, arity, in, insn_mode,
	                                op_mode, addr);
	arch_set_irn_register_reqs_in(new_node, reqs);
839
840
841
	if (mem_proj != NULL) {
		be_set_transformed_node(load, new_node);
	}
842
843
844
	return new_node;
}

Matthias Braun's avatar
Matthias Braun committed
845
typedef ir_node *(*construct_shift_func)(dbg_info *dbgi, ir_node *block,
Matthias Braun's avatar
Matthias Braun committed
846
	int arity, ir_node *in[], const amd64_shift_attr_t *attr_init);
Matthias Braun's avatar
Matthias Braun committed
847
848

static ir_node *gen_shift_binop(ir_node *node, ir_node *op1, ir_node *op2,
849
850
                                construct_shift_func func, unsigned pn_res,
                                match_flags_t flags)
Matthias Braun's avatar
Matthias Braun committed
851
852
853
854
855
856
857
858
859
860
861
862
{
	ir_mode *mode = get_irn_mode(node);
	assert(!mode_is_float(mode));

	if (get_mode_modulo_shift(mode) != 32 && get_mode_size_bits(mode) != 64)
		panic("insupported modulo shift used");

	ir_node *in[3];
	int      arity = 0;
	if (flags & match_mode_neutral) {
		op1 = skip_downconv(op1);
		in[arity++] = be_transform_node(op1);
Matthias Braun's avatar
Matthias Braun committed
863
		mode = get_mode_size_bits(mode) > 32 ? mode_gp : mode_Iu;
Matthias Braun's avatar
Matthias Braun committed
864
865
	} else {
		op1 = skip_sameconv(op1);
866
867
868

		/* Use 8/16bit operations instead of doing zext/upconv */
		in[arity++] = be_transform_node(op1);
Matthias Braun's avatar
Matthias Braun committed
869
870
871
872
873
874
	}

	/* we can skip any convs for the shift count, as it only uses the lowest
	 * 5/6 bits anyway */
	while (is_Conv(op2) && get_irn_n_edges(op2) == 1) {
		ir_node *const op = get_Conv_op(op2);
875
		if (get_mode_arithmetic(get_irn_mode(op)) != irma_twos_complement)
Matthias Braun's avatar
Matthias Braun committed
876
877
878
879
			break;
		op2 = op;
	}

Matthias Braun's avatar
Matthias Braun committed
880
881
	amd64_shift_attr_t attr;
	memset(&attr, 0, sizeof(attr));
Matthias Braun's avatar
Matthias Braun committed
882
883
884
	const arch_register_req_t **reqs;
	const arch_register_req_t  *out_req0;
	if (is_Const(op2)) {
Matthias Braun's avatar
Matthias Braun committed
885
886
887
		attr.base.op_mode = AMD64_OP_SHIFT_IMM;
		reqs              = reg_reqs;
		out_req0          = &amd64_requirement_gp_same_0;
888
		attr.immediate    = get_Const_long(op2);
Matthias Braun's avatar
Matthias Braun committed
889
	} else {
Matthias Braun's avatar
Matthias Braun committed
890
891
892
893
		attr.base.op_mode = AMD64_OP_SHIFT_REG;
		in[arity++]       = be_transform_node(op2);
		reqs              = reg_rcx_reqs;
		out_req0          = &amd64_requirement_gp_same_0_not_1;
Matthias Braun's avatar
Matthias Braun committed
894
	}
Matthias Braun's avatar
Matthias Braun committed
895
	attr.insn_mode = get_insn_mode_from_mode(mode);
Matthias Braun's avatar
Matthias Braun committed
896

Matthias Braun's avatar
Matthias Braun committed
897
898
899
900
	ir_node  *const block     = get_nodes_block(node);
	dbg_info *const dbgi      = get_irn_dbg_info(node);
	ir_node  *const new_block = be_transform_node(block);
	ir_node  *const new_node  = func(dbgi, new_block, arity, in, &attr);
Matthias Braun's avatar
Matthias Braun committed
901
902
	arch_set_irn_register_reqs_in(new_node, reqs);
	arch_set_irn_register_req_out(new_node, 0, out_req0);
903
	return new_r_Proj(new_node, mode_gp, pn_res);
904
905
}

906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
static ir_node *create_Lea_as_Add(ir_node *node, ir_node *op1, ir_node *op2)
{
	dbg_info *const dbgi = get_irn_dbg_info(node);
	ir_node  *block      = get_nodes_block(node);
	ir_node  *new_block  = be_transform_node(block);
	ir_mode *mode        = get_irn_mode(node);

	amd64_insn_mode_t insn_mode;
	if (get_mode_size_bits(mode) <= 32)
		insn_mode = INSN_MODE_32;
	else
		insn_mode = INSN_MODE_64;

	const arch_register_req_t **reqs;
	amd64_addr_t addr;
	memset(&addr, 0, sizeof(addr));

	ir_node *in[2];
	int arity = 0;

	if (match_immediate_32(&addr.immediate, op2, false, true)) {
		in[arity++]      = be_transform_node(op1);
		reqs             = reg_reqs;
		addr.index_input = NO_INPUT;
	} else {
		in[arity++]      = be_transform_node(op1);
		in[arity++]      = be_transform_node(op2);
933
934
		addr.base_input  = 0;
		addr.index_input = 1;
935
936
937
938
939
		reqs             = reg_reg_reqs;
	}

	ir_node *res = new_bd_amd64_Lea(dbgi, new_block, arity, in, insn_mode, addr);
	arch_set_irn_register_reqs_in(res, reqs);
940
	return res;
941
942
}

Matthias Braun's avatar
Matthias Braun committed
943
944
static ir_node *gen_Add(ir_node *const node)
{
945
946
947
	match_flags_t flags = match_immediate | match_am | match_mode_neutral
	                      | match_commutative;

Matthias Braun's avatar
Matthias Braun committed
948
949
	ir_node *op1 = get_Add_left(node);
	ir_node *op2 = get_Add_right(node);
950
951
952
953
954

	ir_mode *mode  = get_irn_mode(node);
	ir_node *block = get_nodes_block(node);
	ir_node *load, *op;

955
	if (mode_is_float(mode)) {
956
		return gen_binop_am(node, op1, op2, new_bd_amd64_xAdds,
957
958
959
		                    match_commutative | match_am);
	}

960
961
962
963
964
965
966
967
	bool use_am = use_address_matching(mode, flags, block, op1, op2, &load, &op);

	ir_node *res;
	if (use_am)
		res = gen_binop_am(node, op1, op2, new_bd_amd64_Add, flags);
	else
		res = create_Lea_as_Add(node, op1, op2);

Matthias Braun's avatar
Matthias Braun committed
968
969
970
	x86_mark_non_am(node);
	return res;
}
971

Matthias Braun's avatar
Matthias Braun committed
972
static ir_node *gen_Sub(ir_node *const node)
973
{
Matthias Braun's avatar
Matthias Braun committed
974
975
	ir_node  *const op1     = get_Sub_left(node);
	ir_node  *const op2     = get_Sub_right(node);
976
	ir_mode  *const mode    = get_irn_mode(node);
977
978

	if (mode_is_float(mode)) {
979
		return gen_binop_am(node, op1, op2, new_bd_amd64_xSubs, match_am);
980
981
982
983
984
985
	} else {
		/* do not match AM yet until we have a sub->neg+add rule
		 * in amd64_finish */
		return gen_binop_am(node, op1, op2, new_bd_amd64_Sub,
		                    /* match_am | */ match_immediate);
	}
Matthias Braun's avatar
Matthias Braun committed
986
987
988
989
990
991
992
993
994
}

static ir_node *gen_And(ir_node *const node)
{
	ir_node *op1 = get_And_left(node);
	ir_node *op2 = get_And_right(node);
	return gen_binop_am(node, op1, op2, new_bd_amd64_And,
	                    match_immediate | match_am | match_mode_neutral
	                    | match_commutative);
995
996
}

Matthias Braun's avatar
Matthias Braun committed
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
static ir_node *gen_Eor(ir_node *const node)
{
	ir_node *op1 = get_Eor_left(node);
	ir_node *op2 = get_Eor_right(node);
	return gen_binop_am(node, op1, op2, new_bd_amd64_Xor,
	                    match_immediate | match_am | match_mode_neutral
	                    | match_commutative);
}

static ir_node *gen_Or(ir_node *const node)
{
	ir_node *op1 = get_Or_left(node);
	ir_node *op2 = get_Or_right(node);
1010
	return gen_binop_am(node, op1, op2, new_bd_amd64_Or,
Matthias Braun's avatar
Matthias Braun committed
1011
1012
1013
1014
1015
1016
	                    match_immediate | match_am | match_mode_neutral
	                    | match_commutative);
}

static ir_node *gen_Mul(ir_node *const node)
{
1017
1018
1019
1020
1021
1022
1023
	ir_node *op1  = get_Mul_left(node);
	ir_node *op2  = get_Mul_right(node);
	ir_mode *mode = get_irn_mode(node);

	if (get_mode_size_bits(mode) < 16) {
		/* imulb only supports rax - reg form */
		ir_node *new_node =
Tobias Rapp's avatar
Tobias Rapp committed
1024
1025
1026
		            gen_binop_rax(node, op1, op2, new_bd_amd64_IMul1Op,
		                          match_mode_neutral
		                          | match_commutative);
1027
		return new_r_Proj(new_node, mode_gp, pn_amd64_IMul1Op_res_low);
Tobias Rapp's avatar
Tobias Rapp committed
1028
1029
1030
	} else if (mode_is_float(mode)) {
		return gen_binop_am(node, op1, op2, new_bd_amd64_xMuls,
		                    match_commutative | match_am);
1031
1032
	} else {
		return gen_binop_am(node, op1, op2, new_bd_amd64_IMul,
Tobias Rapp's avatar
Tobias Rapp committed
1033
1034
		                    match_immediate | match_am
		                    | match_mode_neutral | match_commutative);
1035
	}
Matthias Braun's avatar
Matthias Braun committed
1036
1037
}

1038
1039
static ir_node *gen_Mulh(ir_node *const node)
{
1040
1041
1042
1043
1044
	ir_node *op1  = get_Mulh_left(node);
	ir_node *op2  = get_Mulh_right(node);
	ir_mode *mode = get_irn_mode(op1);
	ir_node *new_node;

1045
	if (mode_is_signed(mode)) {
1046
1047
1048
		new_node = gen_binop_rax(node, op1, op2, new_bd_amd64_IMul1Op,
                        /* match_am TODO */
                        match_mode_neutral | match_commutative);
Tobias Rapp's avatar
Tobias Rapp committed
1049
		return new_r_Proj(new_node, mode_gp, pn_amd64_IMul1Op_res_high);
1050
1051
	} else {
		new_node = gen_binop_rax(node, op1, op2, new_bd_amd64_Mul,
1052
1053
                         /* match_am TODO */
                         match_mode_neutral | match_commutative);
1054
1055
		return new_r_Proj(new_node, mode_gp, pn_amd64_Mul_res_high);
	}
1056
1057
}

Matthias Braun's avatar
Matthias Braun committed
1058
1059
1060
1061
static ir_node *gen_Shl(ir_node *const node)
{
	ir_node *op1 = get_Shl_left(node);
	ir_node *op2 = get_Shl_right(node);
1062
	return gen_shift_binop(node, op1, op2, new_bd_amd64_Shl, pn_amd64_Shl_res,
Matthias Braun's avatar
Matthias Braun committed
1063
	                       match_immediate | match_mode_neutral);
Matthias Braun's avatar
Matthias Braun committed
1064
1065
1066
1067
1068
1069
}

static ir_node *gen_Shr(ir_node *const node)
{
	ir_node *op1 = get_Shr_left(node);
	ir_node *op2 = get_Shr_right(node);
1070
	return gen_shift_binop(node, op1, op2, new_bd_amd64_Shr, pn_amd64_Shr_res,
Matthias Braun's avatar
Matthias Braun committed
1071
1072
1073
1074
1075
1076
1077
	                       match_immediate);
}

static ir_node *gen_Shrs(ir_node *const node)
{
	ir_node *op1 = get_Shrs_left(node);
	ir_node *op2 = get_Shrs_right(node);
1078
	return gen_shift_binop(node, op1, op2, new_bd_amd64_Sar, pn_amd64_Sar_res,
Matthias Braun's avatar
Matthias Braun committed
1079
1080
	                       match_immediate);
}
Robin Redeker's avatar
Robin Redeker committed
1081

Matthias Braun's avatar
Matthias Braun committed
1082
static ir_node *create_div(ir_node *const node, ir_mode *const mode,
1083
1084
                           ir_node *const op1, ir_node *const op2,
                           ir_node *const mem)
Matthias Braun's avatar
Matthias Braun committed
1085
{
Tobias Rapp's avatar
Tobias Rapp committed
1086
1087
1088
	dbg_info *const dbgi      = get_irn_dbg_info(node);
	ir_node  *const block     = get_nodes_block(node);
	ir_node  *const new_block = be_transform_node(block);
Matthias Braun's avatar
Matthias Braun committed
1089
1090
	amd64_insn_mode_t insn_mode
		= get_mode_size_bits(mode) > 32 ? INSN_MODE_64 : INSN_MODE_32;
1091

1092
1093
1094
1095
1096
	ir_node *new_op1 = be_transform_node(op1);
	ir_node *new_op2 = be_transform_node(op2);
	ir_node *new_mem = be_transform_node(mem);
	ir_node *upper_value;
	ir_node *(*constructor)(dbg_info*,ir_node*,int,ir_node**,amd64_insn_mode_t);
Matthias Braun's avatar
Matthias Braun committed
1097
	if (mode_is_signed(mode)) {
1098
1099
		upper_value = create_sext(block, op1, mode);
		constructor = new_bd_amd64_IDiv;
Matthias Braun's avatar
Matthias Braun committed
1100
	} else {
1101
1102
		upper_value = create_zext(block, node);
		constructor = new_bd_amd64_Div;
Matthias Braun's avatar
Matthias Braun committed
1103
	}
1104

1105
1106
1107
	ir_node *in[] = { new_op1, new_op2, upper_value, new_mem };
	ir_node *res = constructor(dbgi, new_block, ARRAY_SIZE(in), in, insn_mode);
	arch_set_irn_register_reqs_in(res, rax_reg_rdx_mem_reqs);
Matthias Braun's avatar
Matthias Braun committed
1108
1109
1110
	return res;
}

Tobias Rapp's avatar
Tobias Rapp committed
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
static ir_node *create_sse_div(ir_node *const node, ir_mode *const mode,
                               ir_node *const op1, ir_node *const op2)
{
	dbg_info *const dbgi      = get_irn_dbg_info(node);
	ir_node  *const block     = get_nodes_block(node);
	ir_node  *const new_block = be_transform_node(block);

	amd64_args_t args;
	match_binop(&args, block, mode, op1, op2, match_am);

	ir_node *const new_node = new_bd_amd64_xDivs(dbgi, new_block, args.arity,
	                                             args.in, &args.attr);
	arch_set_irn_register_reqs_in(new_node, args.reqs);

Tobias Rapp's avatar
Tobias Rapp committed
1125
	fix_node_mem_proj(new_node, args.mem_proj);
Tobias Rapp's avatar
Tobias Rapp committed
1126
1127
1128
1129
1130
1131

	arch_set_irn_register_req_out(new_node, 0,
	                              &amd64_requirement_xmm_same_0);
	return new_node;
}

Matthias Braun's avatar
Matthias Braun committed
1132
1133
1134
static ir_node *gen_Div(ir_node *const node)
{
	ir_mode *const mode = get_Div_resmode(node);
1135
1136
1137
	ir_node *const op1  = get_Div_left(node);
	ir_node *const op2  = get_Div_right(node);
	ir_node *const mem  = get_Div_mem(node);
Tobias Rapp's avatar
Tobias Rapp committed
1138
1139
1140
1141

	if (mode_is_float(mode))
		return create_sse_div(node, mode, op1, op2);
	else
1142
		return create_div(node, mode, op1, op2, mem);
Matthias Braun's avatar
Matthias Braun committed
1143
1144
1145
1146
1147
1148
}

static ir_node *gen_Proj_Div(ir_node *const node)
{
	ir_node *pred     = get_Proj_pred(node);
	ir_node *new_pred = be_transform_node(pred);
1149
	unsigned pn       = get_Proj_num(node);
Matthias Braun's avatar
Matthias Braun committed
1150

1151
1152
1153
1154
	assert((unsigned)pn_amd64_Div_M == (unsigned)pn_amd64_IDiv_M);
	assert((unsigned)pn_amd64_Div_res_div == (unsigned)pn_amd64_IDiv_res_div);
	assert((unsigned)pn_amd64_xDivs_M == (unsigned)pn_amd64_IDiv_M);
	assert((unsigned)pn_amd64_xDivs_res_div == (unsigned)pn_amd64_IDiv_res_div);
Tobias Rapp's avatar
Tobias Rapp committed
1155
1156
1157

	ir_mode *mode;
	if (mode_is_float(get_Div_resmode(pred)))
1158
		mode = amd64_mode_xmm;
Tobias Rapp's avatar
Tobias Rapp committed
1159
1160
1161
	else
		mode = mode_gp;

yb9976's avatar
yb9976 committed
1162
	switch ((pn_Div)pn) {
Matthias Braun's avatar
Matthias Braun committed
1163
1164
1165
	case pn_Div_M:
		return new_r_Proj(new_pred, mode_M, pn_amd64_Div_M);
	case pn_Div_res:
Tobias Rapp's avatar
Tobias Rapp committed
1166
		return new_r_Proj(new_pred, mode, pn_amd64_Div_res_div);