1 #define MONO_EMIT_NEW_X86_COMPARE_MEMBASE_REG(cfg,basereg,offset,operand) do { \
3 inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \
4 inst->opcode = OP_X86_COMPARE_MEMBASE_REG; \
5 inst->inst_basereg = basereg; \
6 inst->inst_offset = offset; \
7 inst->sreg2 = operand; \
8 mono_bblock_add_inst (cfg->cbb, inst); \
11 #define MONO_EMIT_NEW_X86_COMPARE_MEMBASE_IMM(cfg,basereg,offset,operand) do { \
13 inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \
14 inst->opcode = OP_X86_COMPARE_MEMBASE_IMM; \
15 inst->inst_basereg = basereg; \
16 inst->inst_offset = offset; \
17 inst->inst_imm = operand; \
18 mono_bblock_add_inst (cfg->cbb, inst); \
21 /* override the arch independant versions with fast x86 versions */
23 #undef MONO_EMIT_BOUNDS_CHECK
24 #undef MONO_EMIT_BOUNDS_CHECK_IMM
26 #define MONO_EMIT_BOUNDS_CHECK(cfg, array_reg, array_type, array_length_field, index_reg) do { \
27 if (! (state->tree->flags & MONO_INST_NORANGECHECK)) { \
28 MONO_EMIT_NEW_X86_COMPARE_MEMBASE_REG (cfg, array_reg, G_STRUCT_OFFSET (array_type, array_length_field), index_reg); \
29 MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
33 #define MONO_EMIT_BOUNDS_CHECK_IMM(cfg, array_reg, array_type, array_length_field, index_imm) do { \
34 if (! (state->tree->flags & MONO_INST_NORANGECHECK)) { \
35 MONO_EMIT_NEW_X86_COMPARE_MEMBASE_IMM (cfg, array_reg, G_STRUCT_OFFSET (array_type, array_length_field), index_imm); \
36 MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
44 # inssel-amd64.brg: burg file for special AMD64 instructions
47 # Dietmar Maurer (dietmar@ximian.com)
48 # Paolo Molaro (lupus@ximian.com)
50 # (C) 2002 Ximian, Inc.
53 stmt: OP_START_HANDLER {
54 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
55 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, spvar->inst_basereg, spvar->inst_offset, X86_ESP);
58 stmt: CEE_ENDFINALLY {
59 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
60 MONO_EMIT_NEW_LOAD_MEMBASE (s, X86_ESP, spvar->inst_basereg, spvar->inst_offset);
61 tree->opcode = CEE_RET;
62 mono_bblock_add_inst (s->cbb, tree);
65 stmt: OP_ENDFILTER (reg) {
66 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
67 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EAX, state->left->reg1);
68 MONO_EMIT_NEW_LOAD_MEMBASE (s, X86_ESP, spvar->inst_basereg, spvar->inst_offset);
69 tree->opcode = CEE_RET;
70 mono_bblock_add_inst (s->cbb, tree);
73 freg: OP_LCONV_TO_R8 (reg) {
74 tree->sreg1 = state->left->reg1;
75 tree->dreg = state->reg1;
76 mono_bblock_add_inst (s->cbb, tree);
79 freg: OP_LCONV_TO_R4 (reg) {
80 tree->sreg1 = state->left->reg1;
81 tree->dreg = state->reg1;
82 mono_bblock_add_inst (s->cbb, tree);
85 cflags: OP_COMPARE (CEE_LDIND_I4 (base), reg) {
86 tree->opcode = OP_AMD64_ICOMPARE_MEMBASE_REG;
87 tree->inst_basereg = state->left->left->tree->inst_basereg;
88 tree->inst_offset = state->left->left->tree->inst_offset;
89 tree->sreg2 = state->right->reg1;
90 mono_bblock_add_inst (s->cbb, tree);
93 cflags: OP_COMPARE (CEE_LDIND_I4 (base), OP_ICONST) {
94 tree->opcode = OP_AMD64_ICOMPARE_MEMBASE_IMM;
95 tree->inst_basereg = state->left->left->tree->inst_basereg;
96 tree->inst_offset = state->left->left->tree->inst_offset;
97 tree->inst_imm = state->right->tree->inst_c0;
98 mono_bblock_add_inst (s->cbb, tree);
101 cflags: OP_COMPARE (reg, CEE_LDIND_I4 (base)) {
102 tree->opcode = OP_AMD64_ICOMPARE_REG_MEMBASE;
103 tree->sreg2 = state->right->left->tree->inst_basereg;
104 tree->inst_offset = state->right->left->tree->inst_offset;
105 tree->sreg1 = state->left->reg1;
106 mono_bblock_add_inst (s->cbb, tree);
109 stmt: CEE_STIND_I1 (base, OP_CEQ (cflags)) {
110 tree->opcode = OP_X86_SETEQ_MEMBASE;
111 tree->inst_offset = state->left->tree->inst_offset;
112 tree->inst_basereg = state->left->tree->inst_basereg;
113 mono_bblock_add_inst (s->cbb, tree);
116 reg: OP_LOCALLOC (OP_ICONST) {
117 if (tree->flags & MONO_INST_INIT) {
118 /* microcoded in mini-x86.c */
119 tree->sreg1 = mono_regstate_next_int (s->rs);
120 tree->dreg = state->reg1;
121 MONO_EMIT_NEW_ICONST (s, tree->sreg1, state->left->tree->inst_c0);
122 mono_bblock_add_inst (s->cbb, tree);
124 guint32 size = state->left->tree->inst_c0;
125 size = (size + (MONO_ARCH_FRAME_ALIGNMENT - 1)) & ~ (MONO_ARCH_FRAME_ALIGNMENT - 1);
126 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, size);
127 MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, X86_ESP);
131 reg: OP_LOCALLOC (reg) {
132 tree->sreg1 = state->left->tree->dreg;
133 tree->dreg = state->reg1;
134 mono_bblock_add_inst (s->cbb, tree);
137 stmt: OP_SETRET (reg) {
138 tree->opcode = OP_MOVE;
139 tree->sreg1 = state->left->reg1;
140 tree->dreg = X86_EAX;
141 mono_bblock_add_inst (s->cbb, tree);
144 stmt: OP_SETRET (reg) {
145 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EDX, state->left->reg2);
146 tree->opcode = OP_MOVE;
147 tree->sreg1 = state->left->reg1;
148 tree->dreg = X86_EAX;
149 mono_bblock_add_inst (s->cbb, tree);
152 reg: CEE_LDIND_REF (OP_REGVAR),
153 reg: CEE_LDIND_I (OP_REGVAR),
154 reg: CEE_LDIND_I4 (OP_REGVAR),
155 reg: CEE_LDIND_U4 (OP_REGVAR) "0" {
156 /* This rule might not work on all archs */
157 state->reg1 = state->left->tree->dreg;
158 tree->dreg = state->reg1;
161 stmt: OP_SETRET (CEE_LDIND_REF (OP_REGVAR)),
162 stmt: OP_SETRET (CEE_LDIND_I4 (OP_REGVAR)),
163 stmt: OP_SETRET (CEE_LDIND_U4 (OP_REGVAR)),
164 stmt: OP_SETRET (CEE_LDIND_I (OP_REGVAR)) {
165 tree->opcode = OP_MOVE;
166 tree->sreg1 = state->left->left->tree->dreg;
167 tree->dreg = X86_EAX;
168 mono_bblock_add_inst (s->cbb, tree);
171 stmt: OP_SETRET (freg) {
172 if (s->method->signature->ret->type == MONO_TYPE_R4)
173 tree->opcode = OP_AMD64_SET_XMMREG_R4;
175 tree->opcode = OP_AMD64_SET_XMMREG_R8;
176 tree->sreg1 = state->left->reg1;
177 tree->dreg = 0; /* %xmm0 */
178 mono_bblock_add_inst (s->cbb, tree);
182 stmt: OP_SETRET (OP_ICONST) {
183 if (state->left->tree->inst_c0 == 0) {
184 MONO_EMIT_BIALU (s, tree, CEE_XOR, AMD64_RAX, AMD64_RAX, AMD64_RAX);
187 tree->opcode = OP_ICONST;
188 tree->inst_c0 = state->left->tree->inst_c0;
189 tree->dreg = X86_EAX;
190 mono_bblock_add_inst (s->cbb, tree);
194 stmt: OP_OUTARG (reg) {
195 tree->opcode = OP_X86_PUSH;
196 tree->sreg1 = state->left->reg1;
197 mono_bblock_add_inst (s->cbb, tree);
200 stmt: OP_OUTARG_REG (reg) {
201 MonoCallInst *call = (MonoCallInst*)tree->inst_right;
204 tree->opcode = OP_SETREG;
205 tree->sreg1 = state->left->reg1;
206 tree->dreg = mono_regstate_next_int (s->rs);
207 mono_bblock_add_inst (s->cbb, tree);
209 regpair = (((guint64)tree->unused) << 32) + tree->dreg;
210 call->out_ireg_args = g_slist_append (call->out_ireg_args, (gpointer)(regpair));
213 stmt: OP_OUTARG_REG (OP_I8CONST),
214 stmt: OP_OUTARG_REG (OP_ICONST) {
215 MonoCallInst *call = (MonoCallInst*)tree->inst_right;
218 tree->opcode = OP_ICONST;
219 tree->inst_c0 = state->left->tree->inst_c0;
220 tree->dreg = mono_regstate_next_int (s->rs);
221 mono_bblock_add_inst (s->cbb, tree);
223 regpair = (((guint64)tree->unused) << 32) + tree->dreg;
224 call->out_ireg_args = g_slist_append (call->out_ireg_args, (gpointer)(regpair));
227 stmt: OP_OUTARG_REG (CEE_LDIND_I (OP_REGVAR)),
228 stmt: OP_OUTARG_REG (CEE_LDIND_I8 (OP_REGVAR)),
229 stmt: OP_OUTARG_REG (CEE_LDIND_I4 (OP_REGVAR)),
230 stmt: OP_OUTARG_REG (CEE_LDIND_U4 (OP_REGVAR)),
231 stmt: OP_OUTARG_REG (CEE_LDIND_REF (OP_REGVAR)) {
232 MonoCallInst *call = (MonoCallInst*)tree->inst_right;
235 tree->opcode = OP_SETREG;
236 tree->sreg1 = state->left->left->tree->dreg;
237 tree->dreg = mono_regstate_next_int (s->rs);
238 mono_bblock_add_inst (s->cbb, tree);
240 regpair = (((guint64)tree->unused) << 32) + tree->dreg;
241 call->out_ireg_args = g_slist_append (call->out_ireg_args, (gpointer)(regpair));
244 # we need to reduce this code duplication with some burg syntax extension
245 stmt: OP_OUTARG (CEE_LDIND_REF (OP_REGVAR)) {
246 tree->opcode = OP_X86_PUSH;
247 tree->sreg1 = state->left->left->tree->dreg;
248 mono_bblock_add_inst (s->cbb, tree);
251 stmt: OP_OUTARG (CEE_LDIND_I4 (OP_REGVAR)) {
252 tree->opcode = OP_X86_PUSH;
253 tree->sreg1 = state->left->left->tree->dreg;
254 mono_bblock_add_inst (s->cbb, tree);
257 stmt: OP_OUTARG (CEE_LDIND_U4 (OP_REGVAR)) {
258 tree->opcode = OP_X86_PUSH;
259 tree->sreg1 = state->left->left->tree->dreg;
260 mono_bblock_add_inst (s->cbb, tree);
263 stmt: OP_OUTARG (CEE_LDIND_I (OP_REGVAR)) {
264 tree->opcode = OP_X86_PUSH;
265 tree->sreg1 = state->left->left->tree->dreg;
266 mono_bblock_add_inst (s->cbb, tree);
269 stmt: OP_OUTARG (CEE_LDIND_I4 (base)) {
270 tree->opcode = OP_X86_PUSH_MEMBASE;
271 tree->inst_basereg = state->left->left->tree->inst_basereg;
272 tree->inst_offset = state->left->left->tree->inst_offset;
273 mono_bblock_add_inst (s->cbb, tree);
276 stmt: OP_OUTARG (CEE_LDIND_U4 (base)) {
277 tree->opcode = OP_X86_PUSH_MEMBASE;
278 tree->inst_basereg = state->left->left->tree->inst_basereg;
279 tree->inst_offset = state->left->left->tree->inst_offset;
280 mono_bblock_add_inst (s->cbb, tree);
283 stmt: OP_OUTARG (CEE_LDIND_I (base)) {
284 tree->opcode = OP_X86_PUSH_MEMBASE;
285 tree->inst_basereg = state->left->left->tree->inst_basereg;
286 tree->inst_offset = state->left->left->tree->inst_offset;
287 mono_bblock_add_inst (s->cbb, tree);
290 stmt: OP_OUTARG (CEE_LDIND_REF (base)) {
291 tree->opcode = OP_X86_PUSH_MEMBASE;
292 tree->inst_basereg = state->left->left->tree->inst_basereg;
293 tree->inst_offset = state->left->left->tree->inst_offset;
294 mono_bblock_add_inst (s->cbb, tree);
297 stmt: OP_OUTARG (CEE_LDIND_REF (OP_REGVAR)) {
298 tree->opcode = OP_X86_PUSH;
299 tree->sreg1 = state->left->left->tree->dreg;
300 mono_bblock_add_inst (s->cbb, tree);
303 stmt: OP_OUTARG (CEE_LDOBJ (reg)) {
304 tree->opcode = OP_X86_PUSH;
305 tree->sreg1 = state->left->reg1;
306 mono_bblock_add_inst (s->cbb, tree);
309 stmt: OP_OUTARG (freg) {
310 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 8);
311 tree->opcode = OP_STORER8_MEMBASE_REG;
312 tree->sreg1 = state->left->reg1;
313 tree->inst_destbasereg = X86_ESP;
314 tree->inst_offset = 0;
315 mono_bblock_add_inst (s->cbb, tree);
318 stmt: OP_OUTARG_R4 (freg) {
319 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 8);
320 tree->opcode = OP_STORER4_MEMBASE_REG;
321 tree->sreg1 = state->left->reg1;
322 tree->inst_destbasereg = X86_ESP;
323 tree->inst_offset = 0;
324 mono_bblock_add_inst (s->cbb, tree);
327 stmt: OP_OUTARG_R8 (freg) {
328 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 8);
329 tree->opcode = OP_STORER8_MEMBASE_REG;
330 tree->sreg1 = state->left->reg1;
331 tree->inst_destbasereg = X86_ESP;
332 tree->inst_offset = 0;
333 mono_bblock_add_inst (s->cbb, tree);
336 stmt: OP_AMD64_OUTARG_XMMREG_R4 (freg) {
337 MonoCallInst *call = (MonoCallInst*)tree->inst_right;
340 tree->opcode = OP_AMD64_SET_XMMREG_R4;
341 tree->sreg1 = state->left->reg1;
342 tree->dreg = mono_regstate_next_float (s->rs);
343 mono_bblock_add_inst (s->cbb, tree);
345 regpair = (((guint64)tree->unused) << 32) + tree->dreg;
346 call->out_freg_args = g_slist_append (call->out_freg_args, (gpointer)(regpair));
349 stmt: OP_AMD64_OUTARG_XMMREG_R8 (freg) {
350 MonoCallInst *call = (MonoCallInst*)tree->inst_right;
353 tree->opcode = OP_AMD64_SET_XMMREG_R8;
354 tree->sreg1 = state->left->reg1;
355 tree->dreg = mono_regstate_next_float (s->rs);
356 mono_bblock_add_inst (s->cbb, tree);
358 regpair = (((guint64)tree->unused) << 32) + tree->dreg;
359 call->out_freg_args = g_slist_append (call->out_freg_args, (gpointer)(regpair));
362 stmt: OP_OUTARG_VT (CEE_LDOBJ (base)) {
363 MonoInst *vt = state->left->left->tree;
364 //g_print ("vt size: %d at R%d + %d\n", tree->inst_imm, vt->inst_basereg, vt->inst_offset);
369 if (tree->inst_imm <= 8) {
370 tree->opcode = OP_X86_PUSH_MEMBASE;
371 tree->inst_basereg = vt->inst_basereg;
372 tree->inst_offset = vt->inst_offset;
373 mono_bblock_add_inst (s->cbb, tree);
374 } else if (tree->inst_imm <= 20) {
375 int sz = tree->inst_imm;
378 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, sz);
379 mini_emit_memcpy (s, X86_ESP, 0, vt->inst_basereg, vt->inst_offset, tree->inst_imm, 0);
381 tree->opcode = OP_X86_PUSH_OBJ;
382 tree->inst_basereg = vt->inst_basereg;
383 tree->inst_offset = vt->inst_offset;
384 mono_bblock_add_inst (s->cbb, tree);
388 stmt: OP_OUTARG_VT (OP_ICONST) {
389 tree->opcode = OP_X86_PUSH_IMM;
390 tree->inst_imm = state->left->tree->inst_c0;
391 mono_bblock_add_inst (s->cbb, tree);
394 stmt: OP_OUTARG_VT (reg) {
395 tree->opcode = OP_X86_PUSH;
396 tree->sreg1 = state->left->tree->dreg;
397 mono_bblock_add_inst (s->cbb, tree);
400 stmt: OP_AMD64_OUTARG_ALIGN_STACK {
401 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 8);
404 base: OP_INARG_VT (base) {
405 MONO_EMIT_NEW_LOAD_MEMBASE (s, state->reg1, state->left->tree->inst_basereg,
406 state->left->tree->inst_offset);
409 reg: OP_LDADDR (OP_INARG_VT (base)) {
410 MONO_EMIT_NEW_LOAD_MEMBASE (s, state->reg1, state->left->left->tree->inst_basereg,
411 state->left->left->tree->inst_offset);
414 reg: CEE_LDOBJ (OP_INARG_VT (base)) {
415 MONO_EMIT_NEW_LOAD_MEMBASE (s, state->reg1, state->left->left->tree->inst_basereg,
416 state->left->left->tree->inst_offset);
419 reg: OP_LDADDR (OP_REGOFFSET) "1" {
420 if (state->left->tree->inst_offset) {
421 tree->opcode = OP_X86_LEA_MEMBASE;
422 tree->sreg1 = state->left->tree->inst_basereg;
423 tree->inst_imm = state->left->tree->inst_offset;
424 tree->dreg = state->reg1;
426 tree->opcode = OP_MOVE;
427 tree->sreg1 = state->left->tree->inst_basereg;
428 tree->dreg = state->reg1;
430 mono_bblock_add_inst (s->cbb, tree);
433 reg: CEE_LDOBJ (OP_REGOFFSET) "1" {
434 if (state->left->tree->inst_offset) {
435 tree->opcode = OP_X86_LEA_MEMBASE;
436 tree->sreg1 = state->left->tree->inst_basereg;
437 tree->inst_imm = state->left->tree->inst_offset;
438 tree->dreg = state->reg1;
440 tree->opcode = OP_MOVE;
441 tree->sreg1 = state->left->tree->inst_basereg;
442 tree->dreg = state->reg1;
444 mono_bblock_add_inst (s->cbb, tree);
447 reg: CEE_LDELEMA (reg, reg) "15" {
448 guint32 size = mono_class_array_element_size (tree->klass);
450 MONO_EMIT_BOUNDS_CHECK (s, state->left->reg1, MonoArray, max_length, state->right->reg1);
452 if (size == 1 || size == 2 || size == 4 || size == 8) {
453 static const int fast_log2 [] = { 1, 0, 1, -1, 2, -1, -1, -1, 3 };
454 tree->opcode = OP_X86_LEA;
455 tree->dreg = state->reg1;
456 tree->sreg1 = state->left->reg1;
457 tree->sreg2 = state->right->reg1;
458 tree->inst_imm = G_STRUCT_OFFSET (MonoArray, vector);
459 tree->unused = fast_log2 [size];
460 mono_bblock_add_inst (s->cbb, tree);
462 int mult_reg = mono_regstate_next_int (s->rs);
463 int add_reg = mono_regstate_next_int (s->rs);
464 MONO_EMIT_NEW_BIALU_IMM (s, OP_MUL_IMM, mult_reg, state->right->reg1, size);
465 MONO_EMIT_NEW_BIALU (s, CEE_ADD, add_reg, mult_reg, state->left->reg1);
466 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, add_reg, G_STRUCT_OFFSET (MonoArray, vector));
470 stmt: CEE_STIND_R8 (OP_REGVAR, freg) {
471 /* nothing to do: the value is already on the FP stack */
474 stmt: CEE_STIND_I4 (base, CEE_ADD (CEE_LDIND_I4 (base), OP_ICONST)) {
475 int con = state->right->right->tree->inst_c0;
478 tree->opcode = OP_X86_INC_MEMBASE;
480 tree->opcode = OP_X86_ADD_MEMBASE_IMM;
481 tree->inst_imm = con;
484 tree->inst_basereg = state->left->tree->inst_basereg;
485 tree->inst_offset = state->left->tree->inst_offset;
486 mono_bblock_add_inst (s->cbb, tree);
488 MBTREE_TYPE *t1 = state->right->left->left->tree;
489 MBTREE_TYPE *t2 = state->left->tree;
490 MBCOND (t1->inst_basereg == t2->inst_basereg &&
491 t1->inst_offset == t2->inst_offset);
495 stmt: CEE_STIND_I4 (base, CEE_SUB (CEE_LDIND_I4 (base), OP_ICONST)) {
496 int con = state->right->right->tree->inst_c0;
499 tree->opcode = OP_X86_DEC_MEMBASE;
501 tree->opcode = OP_X86_SUB_MEMBASE_IMM;
502 tree->inst_imm = con;
505 tree->inst_basereg = state->left->tree->inst_basereg;
506 tree->inst_offset = state->left->tree->inst_offset;
507 mono_bblock_add_inst (s->cbb, tree);
509 MBTREE_TYPE *t1 = state->right->left->left->tree;
510 MBTREE_TYPE *t2 = state->left->tree;
511 MBCOND (t1->inst_basereg == t2->inst_basereg &&
512 t1->inst_offset == t2->inst_offset);
516 stmt: CEE_STIND_I4 (OP_REGVAR, CEE_SUB (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)) {
517 int con = state->right->right->tree->inst_c0;
518 int dreg = state->left->tree->dreg;
519 int sreg = state->right->left->left->tree->dreg;
523 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
524 tree->opcode = OP_X86_DEC_REG;
525 tree->dreg = tree->sreg1 = dreg;
526 } else if (con == -1) {
528 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
529 tree->opcode = OP_X86_INC_REG;
530 tree->dreg = tree->sreg1 = dreg;
532 tree->opcode = OP_SUB_IMM;
533 tree->inst_imm = con;
537 mono_bblock_add_inst (s->cbb, tree);
540 stmt: CEE_STIND_I (OP_REGVAR, CEE_ADD (CEE_LDIND_I (OP_REGVAR), OP_ICONST)),
541 stmt: CEE_STIND_I4 (OP_REGVAR, CEE_ADD (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)) {
542 int con = state->right->right->tree->inst_c0;
543 int dreg = state->left->tree->dreg;
544 int sreg = state->right->left->left->tree->dreg;
548 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
549 tree->opcode = OP_X86_INC_REG;
550 tree->dreg = tree->sreg1 = dreg;
551 } else if (con == -1) {
553 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
554 tree->opcode = OP_X86_DEC_REG;
555 tree->dreg = tree->sreg1 = dreg;
557 tree->opcode = OP_ADD_IMM;
558 tree->inst_imm = con;
562 mono_bblock_add_inst (s->cbb, tree);
565 reg: CEE_LDIND_I2 (OP_REGVAR) {
566 MONO_EMIT_UNALU (s, tree, OP_SEXT_I2, state->reg1, state->left->tree->dreg);
570 stmt: CEE_STIND_I8 (OP_REGVAR, OP_ICONST),
571 stmt: CEE_STIND_I4 (OP_REGVAR, OP_ICONST),
572 stmt: CEE_STIND_I2 (OP_REGVAR, OP_ICONST),
573 stmt: CEE_STIND_I1 (OP_REGVAR, OP_ICONST),
574 stmt: CEE_STIND_REF (OP_REGVAR, OP_ICONST),
575 stmt: CEE_STIND_I (OP_REGVAR, OP_ICONST),
576 stmt: CEE_STIND_I8 (OP_REGVAR, OP_I8CONST),
577 stmt: CEE_STIND_I4 (OP_REGVAR, OP_I8CONST),
578 stmt: CEE_STIND_I2 (OP_REGVAR, OP_I8CONST),
579 stmt: CEE_STIND_I1 (OP_REGVAR, OP_I8CONST),
580 stmt: CEE_STIND_REF (OP_REGVAR, OP_I8CONST),
581 stmt: CEE_STIND_I (OP_REGVAR, OP_I8CONST) {
582 int r = state->left->tree->dreg;
583 MONO_EMIT_BIALU (s, tree, CEE_XOR, r, r, r);
585 MBCOND (!state->right->tree->inst_c0);
590 # on x86, fp compare overwrites EAX, so we must
591 # either improve the local register allocator or
592 # emit coarse opcodes which saves EAX for us.
594 reg: OP_CEQ (OP_COMPARE (freg, freg)) {
595 MONO_EMIT_BIALU (s, tree, OP_FCEQ, state->reg1, state->left->left->reg1,
596 state->left->right->reg1);
599 reg: OP_CLT (OP_COMPARE (freg, freg)) {
600 MONO_EMIT_BIALU (s, tree, OP_FCLT, state->reg1, state->left->left->reg1,
601 state->left->right->reg1);
604 reg: OP_CLT_UN (OP_COMPARE (freg, freg)) {
605 MONO_EMIT_BIALU (s, tree, OP_FCLT_UN, state->reg1, state->left->left->reg1,
606 state->left->right->reg1);
609 reg: OP_CGT (OP_COMPARE (freg, freg)) {
610 MONO_EMIT_BIALU (s, tree, OP_FCGT, state->reg1, state->left->left->reg1,
611 state->left->right->reg1);
614 reg: OP_CGT_UN (OP_COMPARE (freg, freg)) {
615 MONO_EMIT_BIALU (s, tree, OP_FCGT_UN, state->reg1, state->left->left->reg1,
616 state->left->right->reg1);
619 # fpcflags overwrites EAX, but this does not matter for statements
620 # because we are the last operation in the tree.
622 stmt: CEE_BNE_UN (fpcflags) {
623 tree->opcode = OP_FBNE_UN;
624 mono_bblock_add_inst (s->cbb, tree);
627 stmt: CEE_BEQ (fpcflags) {
628 tree->opcode = OP_FBEQ;
629 mono_bblock_add_inst (s->cbb, tree);
632 stmt: CEE_BLT (fpcflags) {
633 tree->opcode = OP_FBLT;
634 mono_bblock_add_inst (s->cbb, tree);
637 stmt: CEE_BLT_UN (fpcflags) {
638 tree->opcode = OP_FBLT_UN;
639 mono_bblock_add_inst (s->cbb, tree);
642 stmt: CEE_BGT (fpcflags) {
643 tree->opcode = OP_FBGT;
644 mono_bblock_add_inst (s->cbb, tree);
647 stmt: CEE_BGT_UN (fpcflags) {
648 tree->opcode = OP_FBGT_UN;
649 mono_bblock_add_inst (s->cbb, tree);
652 stmt: CEE_BGE (fpcflags) {
653 tree->opcode = OP_FBGE;
654 mono_bblock_add_inst (s->cbb, tree);
657 stmt: CEE_BGE_UN (fpcflags) {
658 tree->opcode = OP_FBGE_UN;
659 mono_bblock_add_inst (s->cbb, tree);
662 stmt: CEE_BLE (fpcflags) {
663 tree->opcode = OP_FBLE;
664 mono_bblock_add_inst (s->cbb, tree);
667 stmt: CEE_BLE_UN (fpcflags) {
668 tree->opcode = OP_FBLE_UN;
669 mono_bblock_add_inst (s->cbb, tree);
672 stmt: CEE_POP (freg) "0" {
673 /* we need to pop the value from the x86 FP stack */
674 MONO_EMIT_UNALU (s, tree, OP_X86_FPOP, -1, state->left->reg1);
677 # override the rules in inssel-float.brg that work for machines with FP registers
679 freg: OP_FCONV_TO_R8 (freg) "0" {
680 tree->opcode = OP_FMOVE;
681 tree->sreg1 = state->left->reg1;
682 tree->dreg = state->reg1;
683 mono_bblock_add_inst (s->cbb, tree);
686 freg: OP_FCONV_TO_R4 (freg) "0" {
687 tree->opcode = OP_FMOVE;
688 tree->sreg1 = state->left->reg1;
689 tree->dreg = state->reg1;
690 mono_bblock_add_inst (s->cbb, tree);
693 reg: CEE_ADD(reg, CEE_LDIND_I4 (base)) {
694 MonoInst *base = state->right->left->tree;
696 tree->dreg = state->reg1;
697 tree->sreg1 = state->left->reg1;
698 tree->sreg2 = base->inst_basereg;
699 tree->inst_offset = base->inst_offset;
700 tree->opcode = OP_X86_ADD_MEMBASE;
701 mono_bblock_add_inst (s->cbb, tree);
704 reg: CEE_SUB(reg, CEE_LDIND_I4 (base)) {
705 MonoInst *base = state->right->left->tree;
707 tree->dreg = state->reg1;
708 tree->sreg1 = state->left->reg1;
709 tree->sreg2 = base->inst_basereg;
710 tree->inst_offset = base->inst_offset;
711 tree->opcode = OP_X86_SUB_MEMBASE;
712 mono_bblock_add_inst (s->cbb, tree);
715 reg: CEE_MUL(reg, CEE_LDIND_I4 (base)) {
716 MonoInst *base = state->right->left->tree;
718 tree->dreg = state->reg1;
719 tree->sreg1 = state->left->reg1;
720 tree->sreg2 = base->inst_basereg;
721 tree->inst_offset = base->inst_offset;
722 tree->opcode = OP_X86_MUL_MEMBASE;
723 mono_bblock_add_inst (s->cbb, tree);
726 reg: OP_LSHL (reg, reg) "0" {
727 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
730 reg: OP_LSHL (reg, OP_ICONST) "0" {
731 MONO_EMIT_BIALU_IMM (s, tree, OP_LSHL_IMM, state->reg1, state->left->reg1, state->right->tree->inst_c0);
734 reg: OP_LSHR (reg, reg) "0" {
735 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
738 reg: OP_LSHR (reg, OP_ICONST) "0" {
739 MONO_EMIT_BIALU_IMM (s, tree, OP_LSHR_IMM, state->reg1, state->left->reg1, state->right->tree->inst_c0);
742 reg: OP_LSHR_UN (reg, reg) "0" {
743 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
746 reg: OP_LSHR_UN (reg, OP_ICONST) "0" {
747 MONO_EMIT_BIALU_IMM (s, tree, OP_LSHR_UN_IMM, state->reg1, state->left->reg1, state->right->tree->inst_c0);
750 reg: OP_X86_TLS_GET {
751 tree->dreg = state->reg1;
752 mono_bblock_add_inst (s->cbb, tree);