amd64_transform.c 88.5 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
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = NULL,
50
	.type            = arch_register_req_type_none,
51
52
53
	.other_same      = 0,
	.other_different = 0,
	.width           = 1,
54
55
56
};

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

static const arch_register_req_t amd64_requirement_xmm = {
66
67
	.cls             = &amd64_reg_classes[CLASS_amd64_xmm],
	.limited         = NULL,
68
	.type            = arch_register_req_type_none,
69
70
71
	.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
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = NULL,
79
	.type            = arch_register_req_type_should_be_same,
80
81
82
	.other_same      = BIT(0),
	.other_different = 0,
	.width           = 1,
Matthias Braun's avatar
Matthias Braun committed
83
84
};

85
static const arch_register_req_t amd64_requirement_xmm_same_0 = {
86
87
	.cls             = &amd64_reg_classes[CLASS_amd64_xmm],
	.limited         = NULL,
88
	.type            = arch_register_req_type_should_be_same,
89
90
91
	.other_same      = BIT(0),
	.other_different = 0,
	.width           = 1,
92
93
};

Matthias Braun's avatar
Matthias Braun committed
94
static const arch_register_req_t amd64_requirement_gp_same_0_not_1 = {
95
96
	.cls             = &amd64_reg_classes[CLASS_amd64_gp],
	.limited         = NULL,
97
	.type            = arch_register_req_type_should_be_same
98
99
100
101
	                   | arch_register_req_type_must_be_different,
	.other_same      = BIT(0),
	.other_different = BIT(1),
	.width           = 1,
Matthias Braun's avatar
Matthias Braun committed
102
103
104
105
};

static const unsigned amd64_limited_gp_rcx [] = { BIT(REG_GP_RCX) };
static const arch_register_req_t amd64_requirement_rcx = {
106
107
108
109
110
111
	.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
112
113
};

114
115
static const unsigned amd64_limited_gp_rax [] = { BIT(REG_GP_RAX) };
static const arch_register_req_t amd64_requirement_rax = {
116
117
118
119
120
121
	.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,
122
123
};

124
125
static const unsigned amd64_limited_gp_rdx [] = { BIT(REG_GP_RDX) };
static const arch_register_req_t amd64_requirement_rdx = {
126
127
128
129
130
131
	.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,
132
133
};

Tobias Rapp's avatar
Tobias Rapp committed
134
135
136
137
138
139
140
141
142
143
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
144
145
146
147
148
149
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
150
151
152
	&arch_no_requirement,
};

Tobias Rapp's avatar
Tobias Rapp committed
153
154
155
156
157
158
159
160
161
162
163
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,
};

164
165
166
167
168
static const arch_register_req_t *xmm_mem_reqs[] = {
	&amd64_requirement_xmm,
	&arch_no_requirement,
};

Matthias Braun's avatar
Matthias Braun committed
169
170
static const arch_register_req_t *reg_reg_mem_reqs[] = {
	&amd64_requirement_gp,
Matthias Braun's avatar
Matthias Braun committed
171
172
173
174
	&amd64_requirement_gp,
	&arch_no_requirement,
};

175
176
177
178
179
180
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
181
182
static const arch_register_req_t *reg_reg_reg_mem_reqs[] = {
	&amd64_requirement_gp,
Matthias Braun's avatar
Matthias Braun committed
183
184
185
186
187
	&amd64_requirement_gp,
	&amd64_requirement_gp,
	&arch_no_requirement,
};

188
189
190
191
192
193
194
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
195
static const arch_register_req_t *reg_flags_reqs[] = {
196
197
198
199
	&amd64_requirement_gp,
	&amd64_requirement_flags,
};

Matthias Braun's avatar
Matthias Braun committed
200
201
static const arch_register_req_t *reg_reg_reqs[] = {
	&amd64_requirement_gp,
202
203
204
	&amd64_requirement_gp,
};

205
206
207
208
209
static const arch_register_req_t *rax_reg_reqs[] = {
	&amd64_requirement_rax,
	&amd64_requirement_gp,
};

210
static const arch_register_req_t *rax_reg_rdx_mem_reqs[] = {
211
212
213
	&amd64_requirement_rax,
	&amd64_requirement_gp,
	&amd64_requirement_rdx,
214
	&arch_no_requirement,
215
216
};

Matthias Braun's avatar
Matthias Braun committed
217
218
219
220
static const arch_register_req_t *reg_reqs[] = {
	&amd64_requirement_gp,
};

221
222
223
224
static const arch_register_req_t *xmm_reqs[] = {
	&amd64_requirement_xmm,
};

Matthias Braun's avatar
Matthias Braun committed
225
226
227
228
229
static const arch_register_req_t *reg_rcx_reqs[] = {
	&amd64_requirement_gp,
	&amd64_requirement_rcx,
};

230
231
232
static const arch_register_req_t *no_reqs[] = {
};

233
234
235
236
237
static const arch_register_req_t *xmm_xmm_reqs[] = {
	&amd64_requirement_xmm,
	&amd64_requirement_xmm,
};

Matthias Braun's avatar
Matthias Braun committed
238
239
static inline bool mode_needs_gp_reg(ir_mode *mode)
{
240
241
	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
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
}

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)
282
{
Matthias Braun's avatar
Matthias Braun committed
283
284
285
286
287
288
	while (is_sameconv(node)) {
		if (get_irn_n_edges(node) > 1)
			break;
		node = get_Conv_op(node);
	}
	return node;
289
290
}

291
292
static ir_node *get_initial_sp(ir_graph *irg)
{
293
	return be_get_start_proj(irg, &start_val[REG_RSP]);
294
295
296
297
}

static ir_node *get_initial_fp(ir_graph *irg)
{
298
	return be_get_start_proj(irg, &start_val[REG_RBP]);
299
300
301
302
}

static ir_node *get_initial_mem(ir_graph *irg)
{
303
	return be_get_start_proj(irg, &start_mem);
304
305
306
307
308
309
310
311
312
313
}

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);
	}
}
314

315
316
317
static amd64_insn_mode_t get_insn_mode_from_mode(const ir_mode *mode)
{
	switch (get_mode_size_bits(mode)) {
318
319
320
321
322
	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;
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
	}
	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;
}

351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
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;
}

369
static ir_node *create_float_const(dbg_info *dbgi, ir_node *block,
Matthias Braun's avatar
Matthias Braun committed
370
                                   ir_tarval *tv)
371
372
373
374
375
376
377
378
379
380
381
382
383
384
{
	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;
385
386
387
388
389
390
	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;
	}
391

392
	ir_node *load;
393
	unsigned pn_res;
394
395
396
	if (insn_mode == INSN_MODE_128) {
		load = new_bd_amd64_movdqa(dbgi, block, ARRAY_SIZE(in), in,
		                           AMD64_OP_ADDR, addr);
397
		pn_res = pn_amd64_movdqa_res;
398
	} else {
399
400
401
		load = new_bd_amd64_movs_xmm(dbgi, block, ARRAY_SIZE(in), in,
		                             insn_mode, AMD64_OP_ADDR, addr);
		pn_res = pn_amd64_movs_xmm_res;
402
	}
403
404
405
	arch_set_irn_register_reqs_in(load, mem_reqs);
	set_irn_pinned(load, op_pin_state_floats);

406
	return new_r_Proj(load, amd64_mode_xmm, pn_res);
407
408
409
410
411
}

ir_tarval *create_sign_tv(ir_mode *mode)
{
	unsigned size = get_mode_size_bits(mode);
Matthias Braun's avatar
Matthias Braun committed
412
413
414
415
	assert(size == 32 || size == 64 || size == 128);
	ir_mode *intmode = size == 128 ? amd64_mode_xmm
	                 : size == 64  ? mode_Lu
	                               : mode_Iu;
416
417
418
	ir_tarval *one  = get_mode_one(intmode);
	ir_tarval *sign = tarval_shl_unsigned(one, size-1);
	return tarval_bitcast(sign, mode);
419
420
}

421
422
static ir_node *gen_Const(ir_node *node)
{
423
	ir_node  *block = be_transform_node(get_nodes_block(node));
424
	dbg_info *dbgi  = get_irn_dbg_info(node);
425
	ir_mode  *mode  = get_irn_mode(node);
426
	ir_tarval *tv = get_Const_tarval(node);
427
428
429

	if (!mode_needs_gp_reg(mode)) {
		if (tarval_is_null(tv)) {
430
			return new_bd_amd64_xorpd_0(dbgi, block);
431
432
		}

433
		return create_float_const(dbgi, block, tv);
434
435
	}

436
437
	uint64_t val = get_tarval_uint64(tv);
	amd64_insn_mode_t imode = val > UINT32_MAX ? INSN_MODE_64 : INSN_MODE_32;
438
	return new_bd_amd64_mov_imm(dbgi, block, imode, val, NULL);
439
440
}

441
static ir_node *gen_Address(ir_node *node)
442
443
444
{
	ir_node   *block  = be_transform_node(get_nodes_block(node));
	dbg_info  *dbgi   = get_irn_dbg_info(node);
445
	ir_entity *entity = get_Address_entity(node);
446

Matthias Braun's avatar
Matthias Braun committed
447
448
	/* do we need RIP-relative addressing because of PIC? */
	reference_mode_t mode = need_relative_addressing(entity);
Matthias Braun's avatar
Matthias Braun committed
449
	if (mode == REFERENCE_DIRECT)
450
		return new_bd_amd64_mov_imm(dbgi, block, INSN_MODE_64, 0, entity);
Matthias Braun's avatar
Matthias Braun committed
451
452
453

	amd64_addr_t addr;
	memset(&addr, 0, sizeof(addr));
454
	addr.base_input  = NO_INPUT;
Matthias Braun's avatar
Matthias Braun committed
455
456
	addr.index_input = NO_INPUT;
	addr.mem_input   = NO_INPUT;
Matthias Braun's avatar
Matthias Braun committed
457
458

	if (mode == REFERENCE_IP_RELATIVE) {
459
		addr.base_input       = RIP_INPUT;
Matthias Braun's avatar
Matthias Braun committed
460
		addr.immediate.entity = entity;
461
		return new_bd_amd64_lea(dbgi, block, 0, NULL, INSN_MODE_64, addr);
Matthias Braun's avatar
Matthias Braun committed
462
463
	} else {
		assert(mode == REFERENCE_GOT);
Matthias Braun's avatar
Matthias Braun committed
464
		addr.immediate.entity = new_got_entry_entity(entity);
465
466
467
		ir_node *load = new_bd_amd64_mov_gp(dbgi, block, 0, NULL, INSN_MODE_64,
		                                    AMD64_OP_ADDR, addr);
		return new_r_Proj(load, mode_gp, pn_amd64_mov_gp_res);
Matthias Braun's avatar
Matthias Braun committed
468
469
470
	}
}

471
472
ir_node *amd64_new_IncSP(ir_node *block, ir_node *old_sp, int offset,
                         unsigned align)
Tobias Rapp's avatar
Tobias Rapp committed
473
{
474
475
476
477
	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
478
479
}

Matthias Braun's avatar
Matthias Braun committed
480
typedef ir_node *(*construct_binop_func)(dbg_info *dbgi, ir_node *block,
Matthias Braun's avatar
Matthias Braun committed
481
	int arity, ir_node *in[], const amd64_binop_addr_attr_t *attr_init);
Matthias Braun's avatar
Matthias Braun committed
482

483
484
485
486
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
487
488
489
490
491
492
493
494
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
495
496
497
498
	amd64_binop_addr_attr_t     attr;
	ir_node                    *mem_proj;
	ir_node                    *in[4];
	int                         arity;
Matthias Braun's avatar
Matthias Braun committed
499
500
501
	const arch_register_req_t **reqs;
} amd64_args_t;

Matthias Braun's avatar
Matthias Braun committed
502
static bool match_immediate_32(amd64_imm32_t *imm, const ir_node *op,
503
504
                               bool can_match_ip_relative,
                               bool upper32_dont_care)
Matthias Braun's avatar
Matthias Braun committed
505
506
{
	assert(mode_needs_gp_reg(get_irn_mode(op)));
Matthias Braun's avatar
Matthias Braun committed
507
	assert(imm->offset == 0 && imm->entity == NULL);
Matthias Braun's avatar
Matthias Braun committed
508
509
510
511
512
513
514
515
	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;
516
517
518
519
520
		/** 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
521
522
523
524
525
526
		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
527
528
		return true;
	}
Matthias Braun's avatar
Matthias Braun committed
529
	/* TODO: SymConst, Add(SymConst, Const) ... */
Matthias Braun's avatar
Matthias Braun committed
530
531
532
533
534
	return false;
}

static ir_heights_t *heights;

535
536
537
538
539
540
541
542
543
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
544
545
546
547
548
549
550
551
552
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);
}

553
static ir_node *source_am_possible(ir_node *block, ir_node *node)
Matthias Braun's avatar
Matthias Braun committed
554
555
{
	if (!is_Proj(node))
556
		return NULL;
Matthias Braun's avatar
Matthias Braun committed
557
558
	ir_node *load = get_Proj_pred(node);
	if (!is_Load(load))
559
		return NULL;
560
	assert(get_Proj_num(node) == pn_Load_res);
Matthias Braun's avatar
Matthias Braun committed
561
	if (get_nodes_block(load) != block)
562
		return NULL;
Matthias Braun's avatar
Matthias Braun committed
563
564
	/* make sure we are the only user */
	if (get_irn_n_edges(node) != 1)
565
		return NULL;
Matthias Braun's avatar
Matthias Braun committed
566
567
568
	/* ia32 backend claims this can happen, use an assert for now and see
	 * if we hit it :) */
	assert(!be_is_transformed(node));
569
	return load;
Matthias Braun's avatar
Matthias Braun committed
570
571
572
573
574
575
576
577
578
579
}

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
580
static ir_node *create_sext(ir_node *block, ir_node *const node, ir_mode *mode)
581
582
583
{
	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
584
585
	ir_node  *const   new_node  = be_transform_node(node);
	ir_node  *const   new_block = be_transform_node(block);
586
587
588
589
590
591

	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
592
	ir_node *in[1]    = { new_node };
593
	ir_node *sar      = new_bd_amd64_sar(dbgi, new_block, ARRAY_SIZE(in),
Tobias Rapp's avatar
Tobias Rapp committed
594
	                                     in, &attr);
595

596
597
	arch_set_irn_register_reqs_in(sar, reg_reqs);
	arch_set_irn_register_req_out(sar, 0, &amd64_requirement_gp_same_0);
598
	return new_r_Proj(sar, mode_gp, pn_amd64_sar_res);
599
600
}

Tobias Rapp's avatar
Tobias Rapp committed
601
static ir_node *create_zext(ir_node *block, ir_node *const node)
602
{
Tobias Rapp's avatar
Tobias Rapp committed
603
604
	dbg_info *const dbgi      = get_irn_dbg_info(node);
	ir_node  *const new_block = be_transform_node(block);
605
	ir_node  *const xor0      = new_bd_amd64_xor_0(dbgi, new_block);
606
	arch_set_irn_register_reqs_in(xor0, reg_reqs);
607
	return new_r_Proj(xor0, mode_gp, pn_amd64_xor_0_res);
608
609
}

610
611
612
613
614
static bool val_input(unsigned in)
{
	return in != NO_INPUT && in != RIP_INPUT;
}

Tobias Rapp's avatar
Tobias Rapp committed
615
616
static bool use_address_matching(ir_mode *mode, match_flags_t flags,
                                 ir_node *block,
617
618
619
                                 ir_node *op1, ir_node *op2,
                                 ir_node **out_load, ir_node **out_op)
{
620
621
	if (! (flags & match_am))
		return false;
622

Tobias Rapp's avatar
Tobias Rapp committed
623
624
625
626
	unsigned mode_bits = get_mode_size_bits(mode);
	if (mode_bits == 8 || mode_bits == 16)
		return false;

627
628
629
	ir_node *load2 = source_am_possible(block, op2);
	if (load2 != NULL && !input_depends_on_load(load2, op1)) {
		(*out_load) = load2;
630
631
		(*out_op)   = op1;
		return true;
632
633
634
635
636
637
638
639
640
	}

	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;
		}
641
642
643
644
	}
	return false;
}

645
646
static void perform_address_matching(ir_node *ptr, int *arity,
                                     ir_node **in, amd64_addr_t *addr)
647
648
649
{
	x86_address_t maddr;
	memset(&maddr, 0, sizeof(maddr));
650
	x86_create_address_mode(&maddr, ptr, x86_create_am_normal);
651
652
653
654
655
656

	if (maddr.base != NULL) {
		int base_input   = (*arity)++;
		addr->base_input = base_input;
		in[base_input]   = be_transform_node(maddr.base);
	} else {
657
658
659
660
661
662
663
		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;
		}
664
665
666
667
668
669
670
671
	}
	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;
	}
672
673
674
675
676
677
678
679
680
681
	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;
	}
682
683
684
685
	addr->immediate.offset = maddr.offset;
	addr->log_scale        = maddr.scale;
}

Matthias Braun's avatar
Matthias Braun committed
686
687
688
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
689
690
691
{
	memset(args, 0, sizeof(*args));

692
	bool use_am;
693
	bool use_xmm       = mode_is_float(mode);
Matthias Braun's avatar
Matthias Braun committed
694
	bool use_immediate = flags & match_immediate;
695
	bool mode_neutral  = flags & match_mode_neutral;
Matthias Braun's avatar
Matthias Braun committed
696

Matthias Braun's avatar
Matthias Braun committed
697
	args->attr.base.insn_mode = get_insn_mode_from_mode(mode);
Matthias Braun's avatar
Matthias Braun committed
698
699

	/* TODO: legalize phase */
700
	if (mode_neutral) {
Matthias Braun's avatar
Matthias Braun committed
701
702
703
704
705
706
707
708
709
		op1 = skip_downconv(op1);
		op2 = skip_downconv(op2);
	} else {
		/* TODO: extend inputs? */
		(void)needs_extension;
	}

	ir_node *load;
	ir_node *op;
710

Tobias Rapp's avatar
Tobias Rapp committed
711
	use_am = use_address_matching(mode, flags, block, op1, op2, &load, &op);
712

713
714
	if (use_immediate
	    && match_immediate_32(&args->attr.u.immediate, op2, false, mode_neutral)) {
715
		assert(!use_xmm && "Can't (yet) match binop with xmm immediate");
Matthias Braun's avatar
Matthias Braun committed
716
		/* fine, we found an immediate */
Matthias Braun's avatar
Matthias Braun committed
717
718
719
		args->attr.base.base.op_mode = AMD64_OP_REG_IMM;
		args->in[args->arity++]      = be_transform_node(op1);
		args->reqs                   = reg_reqs;
720
	} else if (use_am) {
Matthias Braun's avatar
Matthias Braun committed
721
722
723
724
		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;
725
		amd64_addr_t *addr     = &args->attr.base.addr;
Matthias Braun's avatar
Matthias Braun committed
726

727
728
729
		ir_node *ptr = get_Load_ptr(load);
		perform_address_matching(ptr, &(args->arity), args->in, addr);

730
		args->reqs = use_xmm ? xmm_mem_reqs : reg_mem_reqs;
731
		if (addr->base_input != NO_INPUT && addr->index_input != NO_INPUT) {
732
			args->reqs = use_xmm ? xmm_reg_reg_mem_reqs
733
			             : reg_reg_reg_mem_reqs;
734
		} else if (addr->base_input != NO_INPUT || addr->index_input != NO_INPUT) {
735
			args->reqs = use_xmm ? xmm_reg_mem_reqs
736
			             : reg_reg_mem_reqs;
737
738
739
740
741
		}
		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;
742

743
		args->mem_proj      = get_Proj_for_pn(load, pn_Load_M);
744
		args->attr.base.base.op_mode = AMD64_OP_ADDR_REG;
Matthias Braun's avatar
Matthias Braun committed
745
746
747
748
	} 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
749
		args->attr.base.base.op_mode = AMD64_OP_REG_REG;
750

751
		args->reqs = use_xmm ? xmm_xmm_reqs : reg_reg_reqs;
Matthias Braun's avatar
Matthias Braun committed
752
753
754
755
	}
}

static ir_node *gen_binop_am(ir_node *node, ir_node *op1, ir_node *op2,
756
757
                             construct_binop_func func, unsigned pn_res,
                             match_flags_t flags)
Matthias Braun's avatar
Matthias Braun committed
758
759
760
761
{
	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
762
	match_binop(&args, block, mode, op1, op2, flags);
Matthias Braun's avatar
Matthias Braun committed
763
764
765
766

	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
767
	ir_node *new_node = func(dbgi, new_block, args.arity, args.in, &args.attr);
Matthias Braun's avatar
Matthias Braun committed
768
	arch_set_irn_register_reqs_in(new_node, args.reqs);
769

Tobias Rapp's avatar
Tobias Rapp committed
770
	fix_node_mem_proj(new_node, args.mem_proj);
Matthias Braun's avatar
Matthias Braun committed
771

772
773
774
	if (mode_is_float(mode)) {
		arch_set_irn_register_req_out(new_node, 0,
		                              &amd64_requirement_xmm_same_0);
775
		return new_r_Proj(new_node, amd64_mode_xmm, pn_res);
776
777
778
	} else {
		arch_set_irn_register_req_out(new_node, 0,
		                              &amd64_requirement_gp_same_0);
779
		return new_r_Proj(new_node, mode_gp, pn_res);
780
	}
Matthias Braun's avatar
Matthias Braun committed
781
782
}

783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
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
813
	use_am = use_address_matching(mode, flags, block, op1, op2, &load, &op);
814

815
	ir_node *mem_proj = NULL;
816
817
818
819
820
	if (use_am) {
		ir_node *new_op    = be_transform_node(op);
		int      reg_input = arity++;
		in[reg_input]      = new_op;

821
822
823
824
825
826
		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;
827
		} else if (addr.base_input != NO_INPUT || addr.index_input != NO_INPUT) {
828
829
830
831
832
833
834
			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;
835

836
		mem_proj                = get_Proj_for_pn(load, pn_Load_M);
837
838
839
		op_mode                 = AMD64_OP_RAX_ADDR;
	} else {
		/* simply transform the arguments */
840
841
842
843
		in[arity++] = be_transform_node(op1);
		in[arity++] = be_transform_node(op2);
		reqs        = rax_reg_reqs;
		op_mode     = AMD64_OP_RAX_REG;
844
845
	}

846
	assert((size_t)arity <= ARRAY_SIZE(in));
847
848
849
850
851
	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);
852
853
854
	if (mem_proj != NULL) {
		be_set_transformed_node(load, new_node);
	}
855
856
857
	return new_node;
}

858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
static ir_node *gen_binop_xmm(ir_node *node, ir_node *op0, ir_node *op1,
                              construct_binop_func make_node,
                              match_flags_t flags)
{
	ir_node *block = get_nodes_block(node);
	ir_mode *mode  = get_irn_mode(op0);
	amd64_args_t args;
	memset(&args, 0, sizeof(args));

	ir_node *load;
	ir_node *op;
	bool use_am = use_address_matching(mode, flags, block, op0, op1, &load,
	                                   &op);

	if (use_am) {
		int reg_input = args.arity++;
		args.attr.u.reg_input = reg_input;
		args.in[reg_input]    = be_transform_node(op);

		amd64_addr_t *addr = &args.attr.base.addr;
		ir_node      *ptr  = get_Load_ptr(load);
		perform_address_matching(ptr, &args.arity, args.in, addr);

		unsigned reg_count
			= val_input(addr->base_input) + val_input(addr->index_input);
		args.reqs = reg_count == 0 ? xmm_mem_reqs :
		            reg_count == 1 ? xmm_reg_mem_reqs
		                           : xmm_reg_reg_mem_reqs;

		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;

		args.mem_proj      = get_Proj_for_pn(load, pn_Load_M);
		args.attr.base.base.op_mode = AMD64_OP_ADDR_REG;
	} else {
		args.in[args.arity++] = be_transform_node(op0);
		args.in[args.arity++] = be_transform_node(op1);
		args.attr.base.base.op_mode = AMD64_OP_REG_REG;
		args.reqs = xmm_xmm_reqs;
	}

	dbg_info *const dbgi      = get_irn_dbg_info(node);
	ir_node  *const new_block = be_transform_node(block);
	ir_node *new_node = make_node(dbgi, new_block, args.arity, args.in,
	                              &args.attr);
	arch_set_irn_register_reqs_in(new_node, args.reqs);

	fix_node_mem_proj(new_node, args.mem_proj);

	arch_set_irn_register_req_out(new_node, 0,
								  &amd64_requirement_xmm_same_0);
911
	return new_r_Proj(new_node, amd64_mode_xmm, pn_amd64_subs_res);
912
913
}

Matthias Braun's avatar
Matthias Braun committed
914
typedef ir_node *(*construct_shift_func)(dbg_info *dbgi, ir_node *block,
Matthias Braun's avatar
Matthias Braun committed
915
	int arity, ir_node *in[], const amd64_shift_attr_t *attr_init);
Matthias Braun's avatar
Matthias Braun committed
916
917

static ir_node *gen_shift_binop(ir_node *node, ir_node *op1, ir_node *op2,
918
919
                                construct_shift_func func, unsigned pn_res,
                                match_flags_t flags)
Matthias Braun's avatar
Matthias Braun committed
920
921
922
923
924
925
926
927
928
929
930
931
{
	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
932
		mode = get_mode_size_bits(mode) > 32 ? mode_gp : mode_Iu;
Matthias Braun's avatar
Matthias Braun committed
933
934
	} else {
		op1 = skip_sameconv(op1);
935
936
937

		/* Use 8/16bit operations instead of doing zext/upconv */
		in[arity++] = be_transform_node(op1);
Matthias Braun's avatar
Matthias Braun committed
938
939
940
941
942
943
	}

	/* 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);
944
		if (get_mode_arithmetic(get_irn_mode(op)) != irma_twos_complement)
Matthias Braun's avatar
Matthias Braun committed
945
946
947
948
			break;
		op2 = op;
	}

Matthias Braun's avatar
Matthias Braun committed
949
950
	amd64_shift_attr_t attr;
	memset(&attr, 0, sizeof(attr));
Matthias Braun's avatar
Matthias Braun committed
951
952
953
	const arch_register_req_t **reqs;
	const arch_register_req_t  *out_req0;
	if (is_Const(op2)) {
Matthias Braun's avatar
Matthias Braun committed
954
955
956
		attr.base.op_mode = AMD64_OP_SHIFT_IMM;
		reqs              = reg_reqs;
		out_req0          = &amd64_requirement_gp_same_0;
957
		attr.immediate    = get_Const_long(op2);
Matthias Braun's avatar
Matthias Braun committed
958
	} else {
Matthias Braun's avatar
Matthias Braun committed
959
960
961
962
		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
963
	}
Matthias Braun's avatar
Matthias Braun committed
964
	attr.insn_mode = get_insn_mode_from_mode(mode);
Matthias Braun's avatar
Matthias Braun committed
965

Matthias Braun's avatar
Matthias Braun committed
966
967
968
969
	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
970
971
	arch_set_irn_register_reqs_in(new_node, reqs);
	arch_set_irn_register_req_out(new_node, 0, out_req0);
972
	return new_r_Proj(new_node, mode_gp, pn_res);
973
974
}

975
static ir_node *create_lea_as_add(ir_node *node, ir_node *op1, ir_node *op2)
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
{
	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);
1002
1003
		addr.base_input  = 0;
		addr.index_input = 1;
1004
1005
1006
		reqs             = reg_reg_reqs;
	}

1007
	ir_node *res = new_bd_amd64_lea(dbgi, new_block, arity, in, insn_mode, addr);
1008
	arch_set_irn_register_reqs_in(res, reqs);
1009
	return res;
1010
1011
}

Matthias Braun's avatar
Matthias Braun committed
1012
1013
static ir_node *gen_Add(ir_node *const node)
{
1014
1015
1016
	match_flags_t flags = match_immediate | match_am | match_mode_neutral
	                      | match_commutative;

Matthias Braun's avatar
Matthias Braun committed
1017
1018
	ir_node *op1 = get_Add_left(node);
	ir_node *op2 = get_Add_right(node);
1019
1020
1021
1022
1023

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

1024
	if (mode_is_float(mode)) {
1025
1026
		return gen_binop_am(node, op1, op2, new_bd_amd64_adds,
							pn_amd64_adds_res, match_commutative | match_am);
1027
1028
	}

1029
1030
1031
1032
	bool use_am = use_address_matching(mode, flags, block, op1, op2, &load, &op);

	ir_node *res;
	if (use_am)
1033
1034
		res = gen_binop_am(node, op1, op2, new_bd_amd64_add, pn_amd64_add_res,
		                   flags);
1035
	else
1036
		res = create_lea_as_add(node, op1, op2);
1037

Matthias Braun's avatar
Matthias Braun committed
1038
1039
1040
	x86_mark_non_am(node);
	return res;
}
1041

Matthias Braun's avatar
Matthias Braun committed
1042
static ir_node *gen_Sub(ir_node *const node)
1043
{
Matthias Braun's avatar
Matthias Braun committed
1044
1045
	ir_node  *const op1     = get_Sub_left(node);
	ir_node  *const op2     = get_Sub_right(node);
1046
	ir_mode  *const mode    = get_irn_mode(node);
1047
1048

	if (mode_is_float(mode)) {
1049
1050
		return gen_binop_am(node, op1, op2, new_bd_amd64_subs,
		                    pn_amd64_subs_res, match_am);
1051
	} else {
1052
		/* TODO: do not match AM yet until we have a sub->neg+add rule
1053
		 * in amd64_finish */
1054
1055
		return gen_binop_am(node, op1, op2, new_bd_amd64_sub, pn_amd64_sub_res,
		                    match_immediate);
1056
	}
Matthias Braun's avatar
Matthias Braun committed
1057
1058
1059
1060
1061
1062
}

static ir_node *gen_And(ir_node *const node)
{
	ir_node *op1 = get_And_left(node);
	ir_node *op2 = get_And_right(node);
1063
	return gen_binop_am(node, op1, op2, new_bd_amd64_and, pn_amd64_and_res,
Matthias Braun's avatar
Matthias Braun committed
1064
1065
	                    match_immediate | match_am | match_mode_neutral
	                    | match_commutative);
1066
1067
}

Matthias Braun's avatar
Matthias Braun committed
1068
1069
1070
1071
static ir_node *gen_Eor(ir_node *const node)
{
	ir_node *op1 = get_Eor_left(node);
	ir_node *op2 = get_Eor_right(node);
1072
	return gen_binop_am(node, op1, op2, new_bd_amd64_xor, pn_amd64_xor_res,
Matthias Braun's avatar
Matthias Braun committed
1073
1074
1075
1076
1077
1078
1079
1080
	                    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);
1081
	return gen_binop_am(node, op1, op2, new_bd_amd64_or, pn_amd64_or_res,
Matthias Braun's avatar
Matthias Braun committed
1082
1083
1084
1085
1086
1087
	                    match_immediate | match_am | match_mode_neutral
	                    | match_commutative);
}

static ir_node *gen_Mul(ir_node *const node)
{
1088
1089
1090
1091
1092
1093
1094
	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 =
1095
		            gen_binop_rax(node, op1, op2, new_bd_amd64_imul_1op,
Tobias Rapp's avatar
Tobias Rapp committed
1096
1097
		                          match_mode_neutral
		                          | match_commutative);
1098
		return new_r_Proj(new_node, mode_gp, pn_amd64_imul_1op_res_low);
Tobias Rapp's avatar
Tobias Rapp committed
1099
	} else if (mode_is_float(mode)) {
1100
1101
		return gen_binop_am(node, op1, op2, new_bd_amd64_muls,
		                    pn_amd64_muls_res, match_commutative | match_am);
1102
	} else {
1103
1104
		return gen_binop_am(node, op1, op2, new_bd_amd64_imul,
		                    pn_amd64_imul_res, match_immediate | match_am
Tobias Rapp's avatar
Tobias Rapp committed
1105
		                    | match_mode_neutral | match_commutative);
1106
	}
Matthias Braun's avatar
Matthias Braun committed
1107
1108
}

1109
1110
static ir_node *gen_Mulh(ir_node *const node)
{
1111
1112
1113
1114
	ir_node *op1  = get_Mulh_left(node);
	ir_node *op2  = get_Mulh_right(node);
	ir_mode *mode = get_irn_mode(op1);

1115
1116
	unsigned pn_res;
	ir_node *new_node;
1117
	if (mode_is_signed(mode)) {
1118
		new_node = gen_binop_rax(node, op1, op2, new_bd_amd64_imul_1op,
1119
1120
                        /* match_am TODO */
                        match_mode_neutral | match_commutative);
1121
        pn_res = pn_amd64_imul_1op_res_high;
1122
	} else {