amd64_transform.c 81.1 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
24
#include "benode.h"
#include "betranshlp.h"
#include "beutil.h"
25
#include "bearch_amd64_t.h"
26
#include "beirg.h"
Matthias Braun's avatar
Matthias Braun committed
27
#include "besched.h"
28

Matthias Braun's avatar
Matthias Braun committed
29
#include "amd64_new_nodes.h"
30
31
#include "amd64_nodes_attr.h"
#include "amd64_transform.h"
Matthias Braun's avatar
Matthias Braun committed
32
#include "../ia32/x86_address_mode.h"
33
#include "../ia32/x86_cconv.h"
34
35
36
37
38

#include "gen_amd64_regalloc_if.h"

DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)

39
static ir_mode         *mode_gp;
Matthias Braun's avatar
Matthias Braun committed
40
static ir_mode         *mode_flags;
41
static x86_cconv_t     *current_cconv = NULL;
42
static be_start_info_t  start_mem;
43
static be_start_info_t  start_val[N_AMD64_REGISTERS];
44
45
46
static size_t           start_params_offset;
static pmap            *node_to_stack;
static be_stackorder_t *stackorder;
47

Matthias Braun's avatar
Matthias Braun committed
48
static const arch_register_req_t amd64_requirement_gp = {
49
50
51
52
53
54
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = NULL,
	.type            = arch_register_req_type_normal,
	.other_same      = 0,
	.other_different = 0,
	.width           = 1,
55
56
57
};

static const arch_register_req_t amd64_requirement_flags = {
58
59
60
61
62
63
	.cls             = &amd64_reg_classes[CLASS_amd64_flags],
	.limited         = NULL,
	.type            = arch_register_req_type_normal,
	.other_same      = 0,
	.other_different = 0,
	.width           = 1,
64
65
66
};

static const arch_register_req_t amd64_requirement_xmm = {
67
68
69
70
71
72
	.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
73
74
};

Matthias Braun's avatar
Matthias Braun committed
75
76
77
#define BIT(x)    (1u << x)

static const arch_register_req_t amd64_requirement_gp_same_0 = {
78
79
80
81
82
83
84
	.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
85
86
};

87
static const arch_register_req_t amd64_requirement_xmm_same_0 = {
88
89
90
91
92
93
94
	.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,
95
96
};

Matthias Braun's avatar
Matthias Braun committed
97
static const arch_register_req_t amd64_requirement_gp_same_0_not_1 = {
98
99
100
101
102
103
104
105
	.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
106
107
108
109
};

static const unsigned amd64_limited_gp_rcx [] = { BIT(REG_GP_RCX) };
static const arch_register_req_t amd64_requirement_rcx = {
110
111
112
113
114
115
	.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
116
117
};

118
119
static const unsigned amd64_limited_gp_rax [] = { BIT(REG_GP_RAX) };
static const arch_register_req_t amd64_requirement_rax = {
120
121
122
123
124
125
	.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,
126
127
};

128
129
static const unsigned amd64_limited_gp_rdx [] = { BIT(REG_GP_RDX) };
static const arch_register_req_t amd64_requirement_rdx = {
130
131
132
133
134
135
	.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,
136
137
};

Tobias Rapp's avatar
Tobias Rapp committed
138
139
140
141
142
143
144
145
146
147
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
148
149
150
151
152
153
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
154
155
156
	&arch_no_requirement,
};

Tobias Rapp's avatar
Tobias Rapp committed
157
158
159
160
161
162
163
164
165
166
167
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,
};

168
169
170
171
172
static const arch_register_req_t *xmm_mem_reqs[] = {
	&amd64_requirement_xmm,
	&arch_no_requirement,
};

Matthias Braun's avatar
Matthias Braun committed
173
174
static const arch_register_req_t *reg_reg_mem_reqs[] = {
	&amd64_requirement_gp,
Matthias Braun's avatar
Matthias Braun committed
175
176
177
178
	&amd64_requirement_gp,
	&arch_no_requirement,
};

179
180
181
182
183
184
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
185
186
static const arch_register_req_t *reg_reg_reg_mem_reqs[] = {
	&amd64_requirement_gp,
Matthias Braun's avatar
Matthias Braun committed
187
188
189
190
191
	&amd64_requirement_gp,
	&amd64_requirement_gp,
	&arch_no_requirement,
};

192
193
194
195
196
197
198
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
199
static const arch_register_req_t *reg_flags_reqs[] = {
200
201
202
203
	&amd64_requirement_gp,
	&amd64_requirement_flags,
};

Matthias Braun's avatar
Matthias Braun committed
204
205
static const arch_register_req_t *reg_reg_reqs[] = {
	&amd64_requirement_gp,
206
207
208
	&amd64_requirement_gp,
};

209
210
211
212
213
static const arch_register_req_t *rax_reg_reqs[] = {
	&amd64_requirement_rax,
	&amd64_requirement_gp,
};

214
static const arch_register_req_t *rax_reg_rdx_mem_reqs[] = {
215
216
217
	&amd64_requirement_rax,
	&amd64_requirement_gp,
	&amd64_requirement_rdx,
218
	&arch_no_requirement,
219
220
};

Matthias Braun's avatar
Matthias Braun committed
221
222
223
224
static const arch_register_req_t *reg_reqs[] = {
	&amd64_requirement_gp,
};

225
226
227
228
static const arch_register_req_t *xmm_reqs[] = {
	&amd64_requirement_xmm,
};

Matthias Braun's avatar
Matthias Braun committed
229
230
231
232
233
static const arch_register_req_t *reg_rcx_reqs[] = {
	&amd64_requirement_gp,
	&amd64_requirement_rcx,
};

234
235
236
static const arch_register_req_t *no_reqs[] = {
};

237
238
239
240
241
static const arch_register_req_t *xmm_xmm_reqs[] = {
	&amd64_requirement_xmm,
	&amd64_requirement_xmm,
};

Matthias Braun's avatar
Matthias Braun committed
242
243
244
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 inline bool mode_needs_gp_reg(ir_mode *mode)
{
	return get_mode_arithmetic(mode) == irma_twos_complement;
}

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
321
322
323
324
325
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
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
static amd64_insn_mode_t get_insn_mode_from_mode(const ir_mode *mode)
{
	switch (get_mode_size_bits(mode)) {
	case  8: return INSN_MODE_8;
	case 16: return INSN_MODE_16;
	case 32: return INSN_MODE_32;
	case 64: return INSN_MODE_64;
	}
	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;
}

static ir_node *create_float_const(dbg_info *dbgi, ir_node *block,
                            ir_tarval *tv)
{
	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.base_input  = NO_INPUT;
	addr.index_input = NO_INPUT;

	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);
	ir_tarval *tv;
	if (size == 32) {
		tv = get_mode_one(mode_Iu);
		tv = tarval_shl_unsigned(tv, 31);
	} else {
		assert(size == 64);
		tv = get_mode_one(mode_Lu);
		tv = tarval_shl_unsigned(tv, 63);
	}
	return tarval_bitcast(tv, mode);
}

395
396
static ir_node *gen_Const(ir_node *node)
{
397
	ir_node  *block = be_transform_node(get_nodes_block(node));
398
	dbg_info *dbgi  = get_irn_dbg_info(node);
399
	ir_mode  *mode  = get_irn_mode(node);
400
	ir_tarval *tv = get_Const_tarval(node);
401
402
403

	if (!mode_needs_gp_reg(mode)) {
		if (tarval_is_null(tv)) {
404
			return new_bd_amd64_xXorp0(dbgi, block);
405
406
		}

407
		return create_float_const(dbgi, block, tv);
408
409
	}

410
411
	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
412
	return new_bd_amd64_MovImm(dbgi, block, imode, val, NULL);
413
414
}

Matthias Braun's avatar
Matthias Braun committed
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
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;
}

433
static ir_node *gen_Address(ir_node *node)
434
435
436
{
	ir_node   *block  = be_transform_node(get_nodes_block(node));
	dbg_info  *dbgi   = get_irn_dbg_info(node);
437
	ir_entity *entity = get_Address_entity(node);
438

Matthias Braun's avatar
Matthias Braun committed
439
440
	/* do we need RIP-relative addressing because of PIC? */
	reference_mode_t mode = need_relative_addressing(entity);
Matthias Braun's avatar
Matthias Braun committed
441
	if (mode == REFERENCE_DIRECT)
Matthias Braun's avatar
Matthias Braun committed
442
443
444
445
		return new_bd_amd64_MovImm(dbgi, block, INSN_MODE_64, 0, entity);

	amd64_addr_t addr;
	memset(&addr, 0, sizeof(addr));
446
	addr.base_input  = NO_INPUT;
Matthias Braun's avatar
Matthias Braun committed
447
448
	addr.index_input = NO_INPUT;
	addr.mem_input   = NO_INPUT;
Matthias Braun's avatar
Matthias Braun committed
449
450

	if (mode == REFERENCE_IP_RELATIVE) {
Matthias Braun's avatar
Matthias Braun committed
451
		addr.immediate.entity = entity;
452
		return new_bd_amd64_Lea(dbgi, block, 0, NULL, INSN_MODE_64, addr);
Matthias Braun's avatar
Matthias Braun committed
453
454
	} else {
		assert(mode == REFERENCE_GOT);
Matthias Braun's avatar
Matthias Braun committed
455
		addr.immediate.entity = new_got_entry_entity(entity);
456
457
		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
458
		return new_r_Proj(load, mode_gp, pn_amd64_Mov_res);
Matthias Braun's avatar
Matthias Braun committed
459
460
461
	}
}

462
463
ir_node *amd64_new_IncSP(ir_node *block, ir_node *old_sp, int offset,
                         unsigned align)
Tobias Rapp's avatar
Tobias Rapp committed
464
{
465
466
467
468
	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
469
470
}

Matthias Braun's avatar
Matthias Braun committed
471
typedef ir_node *(*construct_binop_func)(dbg_info *dbgi, ir_node *block,
Matthias Braun's avatar
Matthias Braun committed
472
	int arity, ir_node *in[], const amd64_binop_addr_attr_t *attr_init);
Matthias Braun's avatar
Matthias Braun committed
473

474
475
476
477
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
478
479
480
481
482
483
484
485
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
486
487
488
489
	amd64_binop_addr_attr_t     attr;
	ir_node                    *mem_proj;
	ir_node                    *in[4];
	int                         arity;
Matthias Braun's avatar
Matthias Braun committed
490
491
492
	const arch_register_req_t **reqs;
} amd64_args_t;

Matthias Braun's avatar
Matthias Braun committed
493
static bool match_immediate_32(amd64_imm32_t *imm, const ir_node *op,
494
495
                               bool can_match_ip_relative,
                               bool upper32_dont_care)
Matthias Braun's avatar
Matthias Braun committed
496
497
{
	assert(mode_needs_gp_reg(get_irn_mode(op)));
Matthias Braun's avatar
Matthias Braun committed
498
	assert(imm->offset == 0 && imm->entity == NULL);
Matthias Braun's avatar
Matthias Braun committed
499
500
501
502
503
504
505
506
	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;
507
508
509
510
511
		/** 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
512
513
514
515
516
517
		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
518
519
		return true;
	}
Matthias Braun's avatar
Matthias Braun committed
520
	/* TODO: SymConst, Add(SymConst, Const) ... */
Matthias Braun's avatar
Matthias Braun committed
521
522
523
524
525
	return false;
}

static ir_heights_t *heights;

526
527
528
529
530
531
532
533
534
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
535
536
537
538
539
540
541
542
543
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);
}

544
static ir_node *source_am_possible(ir_node *block, ir_node *node)
Matthias Braun's avatar
Matthias Braun committed
545
546
{
	if (!is_Proj(node))
547
		return NULL;
Matthias Braun's avatar
Matthias Braun committed
548
549
	ir_node *load = get_Proj_pred(node);
	if (!is_Load(load))
550
		return NULL;
551
	assert(get_Proj_num(node) == pn_Load_res);
Matthias Braun's avatar
Matthias Braun committed
552
	if (get_nodes_block(load) != block)
553
		return NULL;
Matthias Braun's avatar
Matthias Braun committed
554
555
	/* make sure we are the only user */
	if (get_irn_n_edges(node) != 1)
556
		return NULL;
Matthias Braun's avatar
Matthias Braun committed
557
558
559
	/* ia32 backend claims this can happen, use an assert for now and see
	 * if we hit it :) */
	assert(!be_is_transformed(node));
560
	return load;
Matthias Braun's avatar
Matthias Braun committed
561
562
563
564
565
566
567
568
569
570
}

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
571
static ir_node *create_sext(ir_node *block, ir_node *const node, ir_mode *mode)
572
573
574
{
	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
575
576
	ir_node  *const   new_node  = be_transform_node(node);
	ir_node  *const   new_block = be_transform_node(block);
577
578
579
580
581
582

	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
583
	ir_node *in[1]    = { new_node };
584
	ir_node *sar      = new_bd_amd64_Sar(dbgi, new_block, ARRAY_SIZE(in),
Tobias Rapp's avatar
Tobias Rapp committed
585
	                                     in, &attr);
586

587
588
589
	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);
590
591
}

Tobias Rapp's avatar
Tobias Rapp committed
592
static ir_node *create_zext(ir_node *block, ir_node *const node)
593
{
Tobias Rapp's avatar
Tobias Rapp committed
594
595
	dbg_info *const dbgi      = get_irn_dbg_info(node);
	ir_node  *const new_block = be_transform_node(block);
596
597
598
	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);
599
600
}

Tobias Rapp's avatar
Tobias Rapp committed
601
602
static bool use_address_matching(ir_mode *mode, match_flags_t flags,
                                 ir_node *block,
603
604
605
                                 ir_node *op1, ir_node *op2,
                                 ir_node **out_load, ir_node **out_op)
{
606
607
	if (! (flags & match_am))
		return false;
608

Tobias Rapp's avatar
Tobias Rapp committed
609
610
611
612
	unsigned mode_bits = get_mode_size_bits(mode);
	if (mode_bits == 8 || mode_bits == 16)
		return false;

613
614
615
	ir_node *load2 = source_am_possible(block, op2);
	if (load2 != NULL && !input_depends_on_load(load2, op1)) {
		(*out_load) = load2;
616
617
		(*out_op)   = op1;
		return true;
618
619
620
621
622
623
624
625
626
	}

	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;
		}
627
628
629
630
	}
	return false;
}

631
632
static void perform_address_matching(ir_node *ptr, int *arity,
                                     ir_node **in, amd64_addr_t *addr)
633
634
635
{
	x86_address_t maddr;
	memset(&maddr, 0, sizeof(maddr));
636
	x86_create_address_mode(&maddr, ptr, x86_create_am_normal);
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651

	if (maddr.base != NULL) {
		int base_input   = (*arity)++;
		addr->base_input = base_input;
		in[base_input]   = be_transform_node(maddr.base);
	} else {
		addr->base_input = NO_INPUT;
	}
	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;
	}
652
653
654
655
656
657
658
659
660
661
	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;
	}
662
663
664
665
	addr->immediate.offset = maddr.offset;
	addr->log_scale        = maddr.scale;
}

Matthias Braun's avatar
Matthias Braun committed
666
667
668
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
669
670
671
{
	memset(args, 0, sizeof(*args));

672
	bool use_am;
673
	bool use_xmm       = mode_is_float(mode);
Matthias Braun's avatar
Matthias Braun committed
674
	bool use_immediate = flags & match_immediate;
675
	bool mode_neutral  = flags & match_mode_neutral;
Matthias Braun's avatar
Matthias Braun committed
676

Matthias Braun's avatar
Matthias Braun committed
677
	args->attr.base.insn_mode = get_insn_mode_from_mode(mode);
Matthias Braun's avatar
Matthias Braun committed
678
679

	/* TODO: legalize phase */
680
	if (mode_neutral) {
Matthias Braun's avatar
Matthias Braun committed
681
682
683
684
685
686
687
688
689
		op1 = skip_downconv(op1);
		op2 = skip_downconv(op2);
	} else {
		/* TODO: extend inputs? */
		(void)needs_extension;
	}

	ir_node *load;
	ir_node *op;
690

Tobias Rapp's avatar
Tobias Rapp committed
691
	use_am = use_address_matching(mode, flags, block, op1, op2, &load, &op);
692

693
694
	if (use_immediate
	    && match_immediate_32(&args->attr.u.immediate, op2, false, mode_neutral)) {
695
		assert(!use_xmm && "Can't (yet) match binop with xmm immediate");
Matthias Braun's avatar
Matthias Braun committed
696
		/* fine, we found an immediate */
Matthias Braun's avatar
Matthias Braun committed
697
698
699
		args->attr.base.base.op_mode = AMD64_OP_REG_IMM;
		args->in[args->arity++]      = be_transform_node(op1);
		args->reqs                   = reg_reqs;
700
	} else if (use_am) {
Matthias Braun's avatar
Matthias Braun committed
701
702
703
704
		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;
705
		amd64_addr_t *addr     = &args->attr.base.addr;
Matthias Braun's avatar
Matthias Braun committed
706

707
708
709
		ir_node *ptr = get_Load_ptr(load);
		perform_address_matching(ptr, &(args->arity), args->in, addr);

710
		args->reqs = use_xmm ? xmm_mem_reqs : reg_mem_reqs;
711
		if (addr->base_input != NO_INPUT && addr->index_input != NO_INPUT) {
712
			args->reqs = use_xmm ? xmm_reg_reg_mem_reqs
713
			             : reg_reg_reg_mem_reqs;
714
		} else if (addr->base_input != NO_INPUT || addr->index_input != NO_INPUT) {
715
			args->reqs = use_xmm ? xmm_reg_mem_reqs
716
			             : reg_reg_mem_reqs;
717
718
719
720
721
		}
		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;
722

723
		args->mem_proj      = be_get_Proj_for_pn(load, pn_Load_M);
724
		args->attr.base.base.op_mode = AMD64_OP_ADDR_REG;
Matthias Braun's avatar
Matthias Braun committed
725
726
727
728
	} 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
729
		args->attr.base.base.op_mode = AMD64_OP_REG_REG;
730

731
		args->reqs = use_xmm ? xmm_xmm_reqs : reg_reg_reqs;
Matthias Braun's avatar
Matthias Braun committed
732
733
734
735
736
737
738
739
740
	}
}

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
741
	match_binop(&args, block, mode, op1, op2, flags);
Matthias Braun's avatar
Matthias Braun committed
742
743
744
745

	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
746
	ir_node *new_node = func(dbgi, new_block, args.arity, args.in, &args.attr);
Matthias Braun's avatar
Matthias Braun committed
747
	arch_set_irn_register_reqs_in(new_node, args.reqs);
748

Tobias Rapp's avatar
Tobias Rapp committed
749
	fix_node_mem_proj(new_node, args.mem_proj);
Matthias Braun's avatar
Matthias Braun committed
750

751
752
753
	if (mode_is_float(mode)) {
		arch_set_irn_register_req_out(new_node, 0,
		                              &amd64_requirement_xmm_same_0);
Tobias Rapp's avatar
Tobias Rapp committed
754
		return new_r_Proj(new_node, mode_D, pn_amd64_xSubs_res);
755
756
757
758
759
	} 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
760
761
}

762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
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
792
	use_am = use_address_matching(mode, flags, block, op1, op2, &load, &op);
793

794
	ir_node *mem_proj = NULL;
795
796
797
798
799
	if (use_am) {
		ir_node *new_op    = be_transform_node(op);
		int      reg_input = arity++;
		in[reg_input]      = new_op;

800
801
802
803
804
805
		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;
806
		} else if (addr.base_input != NO_INPUT || addr.index_input != NO_INPUT) {
807
808
809
810
811
812
813
			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;
814
815
816
817
818

		mem_proj                = be_get_Proj_for_pn(load, pn_Load_M);
		op_mode                 = AMD64_OP_RAX_ADDR;
	} else {
		/* simply transform the arguments */
819
820
821
822
		in[arity++] = be_transform_node(op1);
		in[arity++] = be_transform_node(op2);
		reqs        = rax_reg_reqs;
		op_mode     = AMD64_OP_RAX_REG;
823
824
	}

825
	assert((size_t)arity <= ARRAY_SIZE(in));
826
827
828
829
830
	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);
831
832
833
	if (mem_proj != NULL) {
		be_set_transformed_node(load, new_node);
	}
834
835
836
	return new_node;
}

Matthias Braun's avatar
Matthias Braun committed
837
typedef ir_node *(*construct_shift_func)(dbg_info *dbgi, ir_node *block,
Matthias Braun's avatar
Matthias Braun committed
838
	int arity, ir_node *in[], const amd64_shift_attr_t *attr_init);
Matthias Braun's avatar
Matthias Braun committed
839
840

static ir_node *gen_shift_binop(ir_node *node, ir_node *op1, ir_node *op2,
841
842
                                construct_shift_func func, unsigned pn_res,
                                match_flags_t flags)
Matthias Braun's avatar
Matthias Braun committed
843
844
845
846
847
848
849
850
851
852
853
854
{
	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
855
		mode = get_mode_size_bits(mode) > 32 ? mode_gp : mode_Iu;
Matthias Braun's avatar
Matthias Braun committed
856
857
	} else {
		op1 = skip_sameconv(op1);
858
859
860

		/* Use 8/16bit operations instead of doing zext/upconv */
		in[arity++] = be_transform_node(op1);
Matthias Braun's avatar
Matthias Braun committed
861
862
863
864
865
866
	}

	/* 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);
867
		if (get_mode_arithmetic(get_irn_mode(op)) != irma_twos_complement)
Matthias Braun's avatar
Matthias Braun committed
868
869
870
871
			break;
		op2 = op;
	}

Matthias Braun's avatar
Matthias Braun committed
872
873
	amd64_shift_attr_t attr;
	memset(&attr, 0, sizeof(attr));
Matthias Braun's avatar
Matthias Braun committed
874
875
876
	const arch_register_req_t **reqs;
	const arch_register_req_t  *out_req0;
	if (is_Const(op2)) {
Matthias Braun's avatar
Matthias Braun committed
877
878
879
		attr.base.op_mode = AMD64_OP_SHIFT_IMM;
		reqs              = reg_reqs;
		out_req0          = &amd64_requirement_gp_same_0;
880
		attr.immediate    = get_Const_long(op2);
Matthias Braun's avatar
Matthias Braun committed
881
	} else {
Matthias Braun's avatar
Matthias Braun committed
882
883
884
885
		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
886
	}
Matthias Braun's avatar
Matthias Braun committed
887
	attr.insn_mode = get_insn_mode_from_mode(mode);
Matthias Braun's avatar
Matthias Braun committed
888

Matthias Braun's avatar
Matthias Braun committed
889
890
891
892
	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
893
894
	arch_set_irn_register_reqs_in(new_node, reqs);
	arch_set_irn_register_req_out(new_node, 0, out_req0);
895
	return new_r_Proj(new_node, mode_gp, pn_res);
896
897
}

898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
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);
925
926
		addr.base_input  = 0;
		addr.index_input = 1;
927
928
929
930
931
		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);
932
	return res;
933
934
}

Matthias Braun's avatar
Matthias Braun committed
935
936
static ir_node *gen_Add(ir_node *const node)
{
937
938
939
	match_flags_t flags = match_immediate | match_am | match_mode_neutral
	                      | match_commutative;

Matthias Braun's avatar
Matthias Braun committed
940
941
	ir_node *op1 = get_Add_left(node);
	ir_node *op2 = get_Add_right(node);
942
943
944
945
946

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

947
	if (mode_is_float(mode)) {
948
		return gen_binop_am(node, op1, op2, new_bd_amd64_xAdds,
949
950
951
		                    match_commutative | match_am);
	}

952
953
954
955
956
957
958
959
	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
960
961
962
	x86_mark_non_am(node);
	return res;
}
963

Matthias Braun's avatar
Matthias Braun committed
964
static ir_node *gen_Sub(ir_node *const node)
965
{
Matthias Braun's avatar
Matthias Braun committed
966
967
	ir_node  *const op1     = get_Sub_left(node);
	ir_node  *const op2     = get_Sub_right(node);
968
	ir_mode  *const mode    = get_irn_mode(node);
969
970

	if (mode_is_float(mode)) {
971
		return gen_binop_am(node, op1, op2, new_bd_amd64_xSubs, match_am);
972
973
974
975
976
977
	} 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
978
979
980
981
982
983
984
985
986
}

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);
987
988
}

Matthias Braun's avatar
Matthias Braun committed
989
990
991
992
993
994
995
996
997
998
999
1000
1001
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);
1002
	return gen_binop_am(node, op1, op2, new_bd_amd64_Or,
Matthias Braun's avatar
Matthias Braun committed
1003
1004
1005
1006
1007
1008
	                    match_immediate | match_am | match_mode_neutral
	                    | match_commutative);
}

static ir_node *gen_Mul(ir_node *const node)
{
1009
1010
1011
1012
1013
1014
1015
	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
1016
1017
1018
		            gen_binop_rax(node, op1, op2, new_bd_amd64_IMul1Op,
		                          match_mode_neutral
		                          | match_commutative);
1019
		return new_r_Proj(new_node, mode_gp, pn_amd64_IMul1Op_res_low);
Tobias Rapp's avatar
Tobias Rapp committed
1020
1021
1022
	} else if (mode_is_float(mode)) {
		return gen_binop_am(node, op1, op2, new_bd_amd64_xMuls,
		                    match_commutative | match_am);
1023
1024
	} else {
		return gen_binop_am(node, op1, op2, new_bd_amd64_IMul,
Tobias Rapp's avatar
Tobias Rapp committed
1025
1026
		                    match_immediate | match_am
		                    | match_mode_neutral | match_commutative);
1027
	}
Matthias Braun's avatar
Matthias Braun committed
1028
1029
}

1030
1031
static ir_node *gen_Mulh(ir_node *const node)
{
1032
1033
1034
1035
1036
	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;

1037
	if (mode_is_signed(mode)) {
1038
1039
1040
		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
1041
		return new_r_Proj(new_node, mode_gp, pn_amd64_IMul1Op_res_high);
1042
1043
	} else {
		new_node = gen_binop_rax(node, op1, op2, new_bd_amd64_Mul,
1044
1045
                         /* match_am TODO */
                         match_mode_neutral | match_commutative);
1046
1047
		return new_r_Proj(new_node, mode_gp, pn_amd64_Mul_res_high);
	}
1048
1049
}

Matthias Braun's avatar
Matthias Braun committed
1050
1051
1052
1053
static ir_node *gen_Shl(ir_node *const node)
{
	ir_node *op1 = get_Shl_left(node);
	ir_node *op2 = get_Shl_right(node);
1054
	return gen_shift_binop(node, op1, op2, new_bd_amd64_Shl, pn_amd64_Shl_res,
Matthias Braun's avatar
Matthias Braun committed
1055
	                       match_immediate | match_mode_neutral);
Matthias Braun's avatar
Matthias Braun committed
1056
1057
1058
1059
1060
1061
}

static ir_node *gen_Shr(ir_node *const node)
{
	ir_node *op1 = get_Shr_left(node);
	ir_node *op2 = get_Shr_right(node);
1062
	return gen_shift_binop(node, op1, op2, new_bd_amd64_Shr, pn_amd64_Shr_res,
Matthias Braun's avatar
Matthias Braun committed
1063
1064
1065
1066
1067
1068
1069
	                       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);
1070
	return gen_shift_binop(node, op1, op2, new_bd_amd64_Sar, pn_amd64_Sar_res,
Matthias Braun's avatar
Matthias Braun committed
1071
1072
	                       match_immediate);
}
Robin Redeker's avatar
Robin Redeker committed
1073

Matthias Braun's avatar
Matthias Braun committed
1074
static ir_node *create_div(ir_node *const node, ir_mode *const mode,
1075
1076
                           ir_node *const op1, ir_node *const op2,
                           ir_node *const mem)
Matthias Braun's avatar
Matthias Braun committed
1077
{
Tobias Rapp's avatar
Tobias Rapp committed
1078
1079
1080
	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
1081
1082
	amd64_insn_mode_t insn_mode
		= get_mode_size_bits(mode) > 32 ? INSN_MODE_64 : INSN_MODE_32;
1083

1084
1085
1086
1087
1088
	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
1089
	if (mode_is_signed(mode)) {
1090
1091
		upper_value = create_sext(block, op1, mode);
		constructor = new_bd_amd64_IDiv;
Matthias Braun's avatar
Matthias Braun committed
1092
	} else {
1093
1094
		upper_value = create_zext(block, node);
		constructor = new_bd_amd64_Div;
Matthias Braun's avatar
Matthias Braun committed
1095
	}
1096

1097
1098
1099
	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
1100
1101
1102
	return res;
}

Tobias Rapp's avatar
Tobias Rapp committed
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
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
1117
	fix_node_mem_proj(new_node, args.mem_proj);
Tobias Rapp's avatar
Tobias Rapp committed
1118
1119
1120
1121
1122
1123

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

Matthias Braun's avatar
Matthias Braun committed
1124
1125
1126
static ir_node *gen_Div(ir_node *const node)
{
	ir_mode *const mode = get_Div_resmode(node);
1127
1128
1129
	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
1130
1131
1132
1133

	if (mode_is_float(mode))
		return create_sse_div(node, mode, op1, op2);
	else
1134
		return create_div(node, mode, op1, op2, mem);
Matthias Braun's avatar
Matthias Braun committed
1135
1136
1137
1138
1139
1140
}

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);
1141
	unsigned pn       = get_Proj_num(node);
Matthias Braun's avatar
Matthias Braun committed
1142

1143
1144
1145
1146
	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
1147
1148
1149
1150
1151
1152
1153

	ir_mode *mode;
	if (mode_is_float(get_Div_resmode(pred)))
		mode = mode_D;
	else
		mode = mode_gp;

yb9976's avatar
yb9976 committed
1154
	switch ((pn_Div)pn) {
Matthias Braun's avatar
Matthias Braun committed
1155
1156
1157
	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
1158
		return new_r_Proj(new_pred, mode, pn_amd64_Div_res_div);
Matthias Braun's avatar
Matthias Braun committed
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
	case pn_Div_X_except:
	case pn_Div_X_regular:
		panic("amd64 exception NIY");
	}
	panic("invalid Div Proj");
}

static ir_node *gen_Mod(ir_node *const node)
{
	ir_mode *const mode = get_Mod_resmode(node);
	ir_node *const op1  = get_Mod_left(node);
	ir_node *const op2  = get_Mod_right(node);
1171
	ir_node *const mem  = get_Mod_mem(node);
Matthias Braun's avatar
Matthias Braun committed
1172
	assert(mode_needs_gp_reg(mode));
1173
	return create_div(node, mode, op1, op2, mem);
Matthias Braun's avatar
Matthias Braun committed
1174
1175
1176
1177
1178
1179
}

static ir_node *gen_Proj_Mod(ir_node *const node)
{
	ir_node *pred     = get_Proj_pred(node);
	ir_node *new_pred = be_transform_node(pred);
1180
	unsigned pn       = get_Proj_num(node);
Matthias Braun's avatar
Matthias Braun committed
1181

1182
1183
	assert((unsigned)pn_amd64_Div_M == (unsigned)pn_amd64_IDiv_M);
	assert((unsigned)pn_amd64_Div_res_mod == (unsigned)pn_amd64_IDiv_res_mod);
yb9976's avatar
yb9976 committed
1184
	switch ((pn_Mod)pn) {
Matthias Braun's avatar
Matthias Braun committed
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
	case pn_Mod_M:
		return new_r_Proj(new_pred, mode_M, pn_amd64_Div_M);
	case pn_Mod_res:
		return new_r_Proj(new_pred, mode_gp, pn_amd64_Div_res_mod);
	case pn_Mod_X_except:
	case pn_Mod_X_regular:
		panic("amd64 exception NIY");
	}
	panic("invalid Mod Proj");
}

Matthias Braun's avatar
Matthias Braun committed
1196
1197
typedef ir_node* (*unop_constructor)(dbg_info*,ir_node*block,ir_node*op,amd64_insn_mode_t insn_mode);

1198