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 MONO_EMIT_NEW_X86_COMPARE_MEMBASE_REG (cfg, array_reg, G_STRUCT_OFFSET (array_type, array_length_field), index_reg); \
28 MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
31 #define MONO_EMIT_BOUNDS_CHECK_IMM(cfg, array_reg, array_type, array_length_field, index_imm) do { \
32 MONO_EMIT_NEW_X86_COMPARE_MEMBASE_IMM (cfg, array_reg, G_STRUCT_OFFSET (array_type, array_length_field), index_imm); \
33 MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
40 # inssel-x86.brg: burg file for special x86 instructions
43 # Dietmar Maurer (dietmar@ximian.com)
44 # Paolo Molaro (lupus@ximian.com)
46 # (C) 2002 Ximian, Inc.
49 stmt: OP_START_HANDLER {
50 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
51 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, spvar->inst_basereg, spvar->inst_offset, X86_ESP);
54 stmt: CEE_ENDFINALLY {
55 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
56 MONO_EMIT_NEW_LOAD_MEMBASE (s, X86_ESP, spvar->inst_basereg, spvar->inst_offset);
57 tree->opcode = CEE_RET;
58 mono_bblock_add_inst (s->cbb, tree);
61 stmt: OP_ENDFILTER (reg) {
62 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
63 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EAX, state->left->reg1);
64 MONO_EMIT_NEW_LOAD_MEMBASE (s, X86_ESP, spvar->inst_basereg, spvar->inst_offset);
65 tree->opcode = CEE_RET;
66 mono_bblock_add_inst (s->cbb, tree);
69 stmt: CEE_STIND_I8 (OP_REGVAR, lreg) {
70 /* this should only happen for methods returning a long */
71 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EAX, state->right->reg1);
72 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EDX, state->right->reg2);
75 lreg: OP_LNEG (lreg) "3" {
76 int tmpr = mono_regstate_next_int (s->rs);
77 MONO_EMIT_NEW_UNALU (s, CEE_NEG, state->reg1, state->left->reg1);
78 MONO_EMIT_BIALU_IMM (s, tree, OP_ADC_IMM, tmpr, state->left->reg2, 0);
79 MONO_EMIT_NEW_UNALU (s, CEE_NEG, state->reg2, tmpr);
82 freg: OP_LCONV_TO_R8 (lreg) {
83 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg2);
84 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg1);
85 tree->opcode = OP_X86_FP_LOAD_I8;
86 tree->inst_basereg = X86_ESP;
87 tree->inst_offset = 0;
88 mono_bblock_add_inst (s->cbb, tree);
89 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, X86_ESP, X86_ESP, 8);
92 freg: OP_LCONV_TO_R4 (lreg) {
93 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg2);
94 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg1);
95 tree->opcode = OP_X86_FP_LOAD_I8;
96 tree->inst_basereg = X86_ESP;
97 tree->inst_offset = 0;
98 mono_bblock_add_inst (s->cbb, tree);
99 /* change precision */
100 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORER4_MEMBASE_REG, X86_ESP, 0, state->reg1);
101 MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADR4_MEMBASE, state->reg1, X86_ESP, 0);
102 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, X86_ESP, X86_ESP, 8);
105 freg: CEE_CONV_R_UN (reg) {
106 MONO_EMIT_NEW_BIALU_IMM (s, OP_X86_PUSH_IMM, -1, -1, 0);
107 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg1);
108 tree->opcode = OP_X86_FP_LOAD_I8;
109 tree->inst_basereg = X86_ESP;
110 tree->inst_offset = 0;
111 mono_bblock_add_inst (s->cbb, tree);
112 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, X86_ESP, X86_ESP, 8);
115 cflags: OP_COMPARE (CEE_LDIND_I4 (base), reg) {
116 tree->opcode = OP_X86_COMPARE_MEMBASE_REG;
117 tree->inst_basereg = state->left->left->tree->inst_basereg;
118 tree->inst_offset = state->left->left->tree->inst_offset;
119 tree->sreg2 = state->right->reg1;
120 mono_bblock_add_inst (s->cbb, tree);
123 cflags: OP_COMPARE (CEE_LDIND_I4 (base), OP_ICONST) {
124 tree->opcode = OP_X86_COMPARE_MEMBASE_IMM;
125 tree->inst_basereg = state->left->left->tree->inst_basereg;
126 tree->inst_offset = state->left->left->tree->inst_offset;
127 tree->inst_imm = state->right->tree->inst_c0;
128 mono_bblock_add_inst (s->cbb, tree);
131 cflags: OP_COMPARE (reg, CEE_LDIND_I4 (base)) {
132 tree->opcode = OP_X86_COMPARE_REG_MEMBASE;
133 tree->sreg2 = state->right->left->tree->inst_basereg;
134 tree->inst_offset = state->right->left->tree->inst_offset;
135 tree->sreg1 = state->left->reg1;
136 mono_bblock_add_inst (s->cbb, tree);
139 stmt: CEE_STIND_I1 (base, OP_CEQ (cflags)) {
140 tree->opcode = OP_X86_SETEQ_MEMBASE;
141 tree->inst_offset = state->left->tree->inst_offset;
142 tree->inst_basereg = state->left->tree->inst_basereg;
143 mono_bblock_add_inst (s->cbb, tree);
146 reg: OP_LOCALLOC (OP_ICONST) {
147 if (tree->flags & MONO_INST_INIT) {
148 /* microcoded in mini-x86.c */
149 tree->sreg1 = mono_regstate_next_int (s->rs);
150 MONO_EMIT_NEW_ICONST (s, tree->sreg1, state->left->tree->inst_c0);
151 mono_bblock_add_inst (s->cbb, tree);
153 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, state->left->tree->inst_c0);
154 MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, X86_ESP);
158 reg: OP_LOCALLOC (reg) {
159 tree->sreg1 = state->left->tree->dreg;
160 mono_bblock_add_inst (s->cbb, tree);
163 stmt: OP_SETRET (reg) {
164 tree->opcode = OP_MOVE;
165 tree->sreg1 = state->left->reg1;
166 tree->dreg = X86_EAX;
167 mono_bblock_add_inst (s->cbb, tree);
170 stmt: OP_SETRET (lreg) {
171 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EDX, state->left->reg2);
172 tree->opcode = OP_MOVE;
173 tree->sreg1 = state->left->reg1;
174 tree->dreg = X86_EAX;
175 mono_bblock_add_inst (s->cbb, tree);
178 stmt: OP_SETRET (CEE_LDIND_REF (OP_REGVAR)) {
179 tree->opcode = OP_MOVE;
180 tree->sreg1 = state->left->left->tree->dreg;
181 tree->dreg = X86_EAX;
182 mono_bblock_add_inst (s->cbb, tree);
185 stmt: OP_SETRET (freg) {
189 stmt: OP_SETRET (OP_ICONST) {
190 tree->opcode = OP_ICONST;
191 tree->inst_c0 = state->left->tree->inst_c0;
192 tree->dreg = X86_EAX;
193 mono_bblock_add_inst (s->cbb, tree);
196 stmt: OP_OUTARG (reg) {
197 tree->opcode = OP_X86_PUSH;
198 tree->sreg1 = state->left->reg1;
199 mono_bblock_add_inst (s->cbb, tree);
202 # we need to reduce this code duplication with some burg syntax extension
203 stmt: OP_OUTARG (CEE_LDIND_REF (OP_REGVAR)) {
204 tree->opcode = OP_X86_PUSH;
205 tree->sreg1 = state->left->left->tree->dreg;
206 mono_bblock_add_inst (s->cbb, tree);
209 stmt: OP_OUTARG (CEE_LDIND_I4 (OP_REGVAR)) {
210 tree->opcode = OP_X86_PUSH;
211 tree->sreg1 = state->left->left->tree->dreg;
212 mono_bblock_add_inst (s->cbb, tree);
215 stmt: OP_OUTARG (CEE_LDIND_U4 (OP_REGVAR)) {
216 tree->opcode = OP_X86_PUSH;
217 tree->sreg1 = state->left->left->tree->dreg;
218 mono_bblock_add_inst (s->cbb, tree);
221 stmt: OP_OUTARG (CEE_LDIND_I (OP_REGVAR)) {
222 tree->opcode = OP_X86_PUSH;
223 tree->sreg1 = state->left->left->tree->dreg;
224 mono_bblock_add_inst (s->cbb, tree);
227 stmt: OP_OUTARG (lreg) {
228 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg2);
229 tree->opcode = OP_X86_PUSH;
230 tree->sreg1 = state->left->reg1;
231 mono_bblock_add_inst (s->cbb, tree);
234 stmt: OP_OUTARG (CEE_LDIND_I8 (base)) {
236 ins = mono_mempool_alloc0 (s->mempool, sizeof (MonoInst));
237 ins->opcode = OP_X86_PUSH_MEMBASE;
238 ins->inst_basereg = state->left->left->tree->inst_basereg;
239 ins->inst_offset = state->left->left->tree->inst_offset + 4;
240 mono_bblock_add_inst (s->cbb, ins);
242 tree->opcode = OP_X86_PUSH_MEMBASE;
243 tree->inst_basereg = state->left->left->tree->inst_basereg;
244 tree->inst_offset = state->left->left->tree->inst_offset;
245 mono_bblock_add_inst (s->cbb, tree);
248 stmt: OP_OUTARG (OP_ICONST) {
249 tree->opcode = OP_X86_PUSH_IMM;
250 tree->inst_imm = state->left->tree->inst_c0;
251 mono_bblock_add_inst (s->cbb, tree);
254 stmt: OP_OUTARG (CEE_LDIND_I4 (base)) {
255 tree->opcode = OP_X86_PUSH_MEMBASE;
256 tree->inst_basereg = state->left->left->tree->inst_basereg;
257 tree->inst_offset = state->left->left->tree->inst_offset;
258 mono_bblock_add_inst (s->cbb, tree);
261 stmt: OP_OUTARG (CEE_LDIND_U4 (base)) {
262 tree->opcode = OP_X86_PUSH_MEMBASE;
263 tree->inst_basereg = state->left->left->tree->inst_basereg;
264 tree->inst_offset = state->left->left->tree->inst_offset;
265 mono_bblock_add_inst (s->cbb, tree);
268 stmt: OP_OUTARG (CEE_LDIND_I (base)) {
269 tree->opcode = OP_X86_PUSH_MEMBASE;
270 tree->inst_basereg = state->left->left->tree->inst_basereg;
271 tree->inst_offset = state->left->left->tree->inst_offset;
272 mono_bblock_add_inst (s->cbb, tree);
275 stmt: OP_OUTARG (CEE_LDIND_REF (base)) {
276 tree->opcode = OP_X86_PUSH_MEMBASE;
277 tree->inst_basereg = state->left->left->tree->inst_basereg;
278 tree->inst_offset = state->left->left->tree->inst_offset;
279 mono_bblock_add_inst (s->cbb, tree);
282 stmt: OP_OUTARG (CEE_LDIND_REF (OP_REGVAR)) {
283 tree->opcode = OP_X86_PUSH;
284 tree->sreg1 = state->left->left->tree->dreg;
285 mono_bblock_add_inst (s->cbb, tree);
288 stmt: OP_OUTARG (CEE_LDOBJ (reg)) {
289 tree->opcode = OP_X86_PUSH;
290 tree->sreg1 = state->left->reg1;
291 mono_bblock_add_inst (s->cbb, tree);
294 stmt: OP_OUTARG (freg) {
295 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 8);
296 tree->opcode = OP_STORER8_MEMBASE_REG;
297 tree->sreg1 = state->left->reg1;
298 tree->inst_destbasereg = X86_ESP;
299 tree->inst_offset = 0;
300 mono_bblock_add_inst (s->cbb, tree);
303 stmt: OP_OUTARG_R4 (freg) {
304 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 4);
305 tree->opcode = OP_STORER4_MEMBASE_REG;
306 tree->sreg1 = state->left->reg1;
307 tree->inst_destbasereg = X86_ESP;
308 tree->inst_offset = 0;
309 mono_bblock_add_inst (s->cbb, tree);
312 stmt: OP_OUTARG_R8 (freg) {
313 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 8);
314 tree->opcode = OP_STORER8_MEMBASE_REG;
315 tree->sreg1 = state->left->reg1;
316 tree->inst_destbasereg = X86_ESP;
317 tree->inst_offset = 0;
318 mono_bblock_add_inst (s->cbb, tree);
321 stmt: OP_OUTARG_VT (CEE_LDOBJ (base)) {
322 MonoInst *vt = state->left->left->tree;
323 //g_print ("vt size: %d at R%d + %d\n", tree->inst_imm, vt->inst_basereg, vt->inst_offset);
328 if (tree->inst_imm <= 4) {
329 tree->opcode = OP_X86_PUSH_MEMBASE;
330 tree->inst_basereg = vt->inst_basereg;
331 tree->inst_offset = vt->inst_offset;
332 mono_bblock_add_inst (s->cbb, tree);
333 } else if (tree->inst_imm <= 20) {
334 int sz = tree->inst_imm;
337 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, sz);
338 mini_emit_memcpy (s, X86_ESP, 0, vt->inst_basereg, vt->inst_offset, tree->inst_imm, 0);
340 tree->opcode = OP_X86_PUSH_OBJ;
341 tree->inst_basereg = vt->inst_basereg;
342 tree->inst_offset = vt->inst_offset;
343 mono_bblock_add_inst (s->cbb, tree);
347 stmt: OP_OUTARG_VT (OP_ICONST) {
348 tree->opcode = OP_X86_PUSH_IMM;
349 tree->inst_imm = state->left->tree->inst_c0;
350 mono_bblock_add_inst (s->cbb, tree);
353 stmt: OP_OUTARG_VT (reg) {
354 tree->opcode = OP_X86_PUSH;
355 tree->sreg1 = state->left->tree->dreg;
356 mono_bblock_add_inst (s->cbb, tree);
359 reg: OP_LDADDR (OP_REGOFFSET) "1" {
360 if (state->left->tree->inst_offset) {
361 tree->opcode = OP_X86_LEA_MEMBASE;
362 tree->sreg1 = state->left->tree->inst_basereg;
363 tree->inst_imm = state->left->tree->inst_offset;
364 tree->dreg = state->reg1;
366 tree->opcode = OP_MOVE;
367 tree->sreg1 = state->left->tree->inst_basereg;
368 tree->dreg = state->reg1;
370 mono_bblock_add_inst (s->cbb, tree);
373 reg: CEE_LDOBJ (OP_REGOFFSET) "1" {
374 if (state->left->tree->inst_offset) {
375 tree->opcode = OP_X86_LEA_MEMBASE;
376 tree->sreg1 = state->left->tree->inst_basereg;
377 tree->inst_imm = state->left->tree->inst_offset;
378 tree->dreg = state->reg1;
380 tree->opcode = OP_MOVE;
381 tree->sreg1 = state->left->tree->inst_basereg;
382 tree->dreg = state->reg1;
384 mono_bblock_add_inst (s->cbb, tree);
387 reg: CEE_LDELEMA (reg, reg) "15" {
388 guint32 size = mono_class_array_element_size (tree->klass);
390 MONO_EMIT_BOUNDS_CHECK (s, state->left->reg1, MonoArray, max_length, state->right->reg1);
392 if (size == 1 || size == 2 || size == 4 || size == 8) {
393 static const int fast_log2 [] = { 1, 0, 1, -1, 2, -1, -1, -1, 3 };
394 tree->opcode = OP_X86_LEA;
395 tree->dreg = state->reg1;
396 tree->sreg1 = state->left->reg1;
397 tree->sreg2 = state->right->reg1;
398 tree->inst_imm = G_STRUCT_OFFSET (MonoArray, vector);
399 tree->unused = fast_log2 [size];
400 mono_bblock_add_inst (s->cbb, tree);
402 int mult_reg = mono_regstate_next_int (s->rs);
403 int add_reg = mono_regstate_next_int (s->rs);
404 MONO_EMIT_NEW_BIALU_IMM (s, OP_MUL_IMM, mult_reg, state->right->reg1, size);
405 MONO_EMIT_NEW_BIALU (s, CEE_ADD, add_reg, mult_reg, state->left->reg1);
406 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, add_reg, G_STRUCT_OFFSET (MonoArray, vector));
410 stmt: CEE_STIND_R8 (OP_REGVAR, freg) {
411 /* nothing to do: the value is already on the FP stack */
414 stmt: CEE_STIND_I4 (base, CEE_ADD (CEE_LDIND_I4 (base), OP_ICONST)) {
415 int con = state->right->right->tree->inst_c0;
418 tree->opcode = OP_X86_INC_MEMBASE;
420 tree->opcode = OP_X86_ADD_MEMBASE_IMM;
421 tree->inst_imm = con;
424 tree->inst_basereg = state->left->tree->inst_basereg;
425 tree->inst_offset = state->left->tree->inst_offset;
426 mono_bblock_add_inst (s->cbb, tree);
428 MBTREE_TYPE *t1 = state->right->left->left->tree;
429 MBTREE_TYPE *t2 = state->left->tree;
430 MBCOND (t1->inst_basereg == t2->inst_basereg &&
431 t1->inst_offset == t2->inst_offset);
435 stmt: CEE_STIND_I4 (base, CEE_SUB (CEE_LDIND_I4 (base), OP_ICONST)) {
436 int con = state->right->right->tree->inst_c0;
439 tree->opcode = OP_X86_DEC_MEMBASE;
441 tree->opcode = OP_X86_SUB_MEMBASE_IMM;
442 tree->inst_imm = con;
445 tree->inst_basereg = state->left->tree->inst_basereg;
446 tree->inst_offset = state->left->tree->inst_offset;
447 mono_bblock_add_inst (s->cbb, tree);
449 MBTREE_TYPE *t1 = state->right->left->left->tree;
450 MBTREE_TYPE *t2 = state->left->tree;
451 MBCOND (t1->inst_basereg == t2->inst_basereg &&
452 t1->inst_offset == t2->inst_offset);
457 # this rules is incorrect, it needs to do an indirect inc (inc_membase)
458 #stmt: CEE_STIND_I4 (reg, CEE_ADD (reg, OP_ICONST)) {
459 # tree->opcode = OP_X86_INC_REG;
460 # tree->dreg = state->left->reg1;
461 # mono_bblock_add_inst (s->cbb, tree);
463 # MBState *s1 = state->left;
464 # MBState *s2 = state->right->left;
465 # int con = state->right->right->tree->inst_c0;
466 # MBCOND (con == 1 && s1->reg1 == s2->reg1);
470 stmt: CEE_STIND_I4 (OP_REGVAR, CEE_SUB (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)) {
471 int con = state->right->right->tree->inst_c0;
472 int dreg = state->left->tree->dreg;
473 int sreg = state->right->left->left->tree->dreg;
477 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
478 tree->opcode = OP_X86_DEC_REG;
479 tree->dreg = tree->sreg1 = dreg;
480 } else if (con == -1) {
482 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
483 tree->opcode = OP_X86_INC_REG;
484 tree->dreg = tree->sreg1 = dreg;
486 tree->opcode = OP_SUB_IMM;
487 tree->inst_imm = con;
491 mono_bblock_add_inst (s->cbb, tree);
494 stmt: CEE_STIND_I4 (OP_REGVAR, CEE_ADD (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)) {
495 int con = state->right->right->tree->inst_c0;
496 int dreg = state->left->tree->dreg;
497 int sreg = state->right->left->left->tree->dreg;
501 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
502 tree->opcode = OP_X86_INC_REG;
503 tree->dreg = tree->sreg1 = dreg;
504 } else if (con == -1) {
506 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
507 tree->opcode = OP_X86_DEC_REG;
508 tree->dreg = tree->sreg1 = dreg;
510 tree->opcode = OP_ADD_IMM;
511 tree->inst_imm = con;
515 mono_bblock_add_inst (s->cbb, tree);
518 reg: CEE_LDIND_I2 (OP_REGVAR) {
519 MONO_EMIT_UNALU (s, tree, OP_SEXT_I2, state->reg1, state->left->tree->dreg);
522 # on x86, fp compare overwrites EAX, so we must
523 # either improve the local register allocator or
524 # emit coarse opcodes which saves EAX for us.
526 reg: OP_CEQ (OP_COMPARE (freg, freg)) {
527 MONO_EMIT_BIALU (s, tree, OP_FCEQ, state->reg1, state->left->left->reg1,
528 state->left->right->reg1);
531 reg: OP_CLT (OP_COMPARE (freg, freg)) {
532 MONO_EMIT_BIALU (s, tree, OP_FCLT, state->reg1, state->left->left->reg1,
533 state->left->right->reg1);
536 reg: OP_CLT_UN (OP_COMPARE (freg, freg)) {
537 MONO_EMIT_BIALU (s, tree, OP_FCLT_UN, state->reg1, state->left->left->reg1,
538 state->left->right->reg1);
541 reg: OP_CGT (OP_COMPARE (freg, freg)) {
542 MONO_EMIT_BIALU (s, tree, OP_FCGT, state->reg1, state->left->left->reg1,
543 state->left->right->reg1);
546 reg: OP_CGT_UN (OP_COMPARE (freg, freg)) {
547 MONO_EMIT_BIALU (s, tree, OP_FCGT_UN, state->reg1, state->left->left->reg1,
548 state->left->right->reg1);
551 # fpcflags overwrites EAX, but this does not matter for statements
552 # because we are the last operation in the tree.
554 stmt: CEE_BNE_UN (fpcflags) {
555 tree->opcode = OP_FBNE_UN;
556 mono_bblock_add_inst (s->cbb, tree);
559 stmt: CEE_BEQ (fpcflags) {
560 tree->opcode = OP_FBEQ;
561 mono_bblock_add_inst (s->cbb, tree);
564 stmt: CEE_BLT (fpcflags) {
565 tree->opcode = OP_FBLT;
566 mono_bblock_add_inst (s->cbb, tree);
569 stmt: CEE_BLT_UN (fpcflags) {
570 tree->opcode = OP_FBLT_UN;
571 mono_bblock_add_inst (s->cbb, tree);
574 stmt: CEE_BGT (fpcflags) {
575 tree->opcode = OP_FBGT;
576 mono_bblock_add_inst (s->cbb, tree);
579 stmt: CEE_BGT_UN (fpcflags) {
580 tree->opcode = OP_FBGT_UN;
581 mono_bblock_add_inst (s->cbb, tree);
584 stmt: CEE_BGE (fpcflags) {
585 tree->opcode = OP_FBGE;
586 mono_bblock_add_inst (s->cbb, tree);
589 stmt: CEE_BGE_UN (fpcflags) {
590 tree->opcode = OP_FBGE_UN;
591 mono_bblock_add_inst (s->cbb, tree);
594 stmt: CEE_BLE (fpcflags) {
595 tree->opcode = OP_FBLE;
596 mono_bblock_add_inst (s->cbb, tree);
599 stmt: CEE_BLE_UN (fpcflags) {
600 tree->opcode = OP_FBLE_UN;
601 mono_bblock_add_inst (s->cbb, tree);
604 stmt: CEE_POP (freg) "0" {
605 /* we need to pop the value from the x86 FP stack */
606 MONO_EMIT_UNALU (s, tree, OP_X86_FPOP, -1, state->left->reg1);
609 # override the rules in inssel-float.brg that work for machines with FP registers
611 freg: OP_FCONV_TO_R8 (freg) "0" {
615 freg: OP_FCONV_TO_R4 (freg) "0" {
616 /* fixme: nothing to do ??*/
619 reg: CEE_ADD(reg, CEE_LDIND_I4 (base)) {
620 MonoInst *base = state->right->left->tree;
622 tree->dreg = state->reg1;
623 tree->sreg1 = state->left->reg1;
624 tree->sreg2 = base->inst_basereg;
625 tree->inst_offset = base->inst_offset;
626 tree->opcode = OP_X86_ADD_MEMBASE;
627 mono_bblock_add_inst (s->cbb, tree);
630 reg: CEE_SUB(reg, CEE_LDIND_I4 (base)) {
631 MonoInst *base = state->right->left->tree;
633 tree->dreg = state->reg1;
634 tree->sreg1 = state->left->reg1;
635 tree->sreg2 = base->inst_basereg;
636 tree->inst_offset = base->inst_offset;
637 tree->opcode = OP_X86_SUB_MEMBASE;
638 mono_bblock_add_inst (s->cbb, tree);
641 reg: CEE_MUL(reg, CEE_LDIND_I4 (base)) {
642 MonoInst *base = state->right->left->tree;
644 tree->dreg = state->reg1;
645 tree->sreg1 = state->left->reg1;
646 tree->sreg2 = base->inst_basereg;
647 tree->inst_offset = base->inst_offset;
648 tree->opcode = OP_X86_MUL_MEMBASE;
649 mono_bblock_add_inst (s->cbb, tree);