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-x86.brg: burg file for special x86 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 stmt: CEE_STIND_I8 (OP_REGVAR, lreg) {
74 /* this should only happen for methods returning a long */
75 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EAX, state->right->reg1);
76 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EDX, state->right->reg2);
79 lreg: OP_LNEG (lreg) "3" {
80 int tmpr = mono_regstate_next_int (s->rs);
81 MONO_EMIT_NEW_UNALU (s, CEE_NEG, state->reg1, state->left->reg1);
82 MONO_EMIT_BIALU_IMM (s, tree, OP_ADC_IMM, tmpr, state->left->reg2, 0);
83 MONO_EMIT_NEW_UNALU (s, CEE_NEG, state->reg2, tmpr);
86 freg: OP_LCONV_TO_R8 (lreg) {
87 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg2);
88 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg1);
89 tree->opcode = OP_X86_FP_LOAD_I8;
90 tree->inst_basereg = X86_ESP;
91 tree->inst_offset = 0;
92 mono_bblock_add_inst (s->cbb, tree);
93 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, X86_ESP, X86_ESP, 8);
96 freg: OP_LCONV_TO_R4 (lreg) {
97 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg2);
98 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg1);
99 tree->opcode = OP_X86_FP_LOAD_I8;
100 tree->inst_basereg = X86_ESP;
101 tree->inst_offset = 0;
102 mono_bblock_add_inst (s->cbb, tree);
103 /* change precision */
104 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORER4_MEMBASE_REG, X86_ESP, 0, state->reg1);
105 MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADR4_MEMBASE, state->reg1, X86_ESP, 0);
106 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, X86_ESP, X86_ESP, 8);
109 freg: CEE_CONV_R_UN (reg) {
110 MONO_EMIT_NEW_BIALU_IMM (s, OP_X86_PUSH_IMM, -1, -1, 0);
111 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg1);
112 tree->opcode = OP_X86_FP_LOAD_I8;
113 tree->inst_basereg = X86_ESP;
114 tree->inst_offset = 0;
115 mono_bblock_add_inst (s->cbb, tree);
116 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, X86_ESP, X86_ESP, 8);
119 cflags: OP_COMPARE (CEE_LDIND_REF (base), reg),
120 cflags: OP_COMPARE (CEE_LDIND_I (base), reg),
121 cflags: OP_COMPARE (CEE_LDIND_I4 (base), reg),
122 cflags: OP_COMPARE (CEE_LDIND_U4 (base), reg) {
123 tree->opcode = OP_X86_COMPARE_MEMBASE_REG;
124 tree->inst_basereg = state->left->left->tree->inst_basereg;
125 tree->inst_offset = state->left->left->tree->inst_offset;
126 tree->sreg2 = state->right->reg1;
127 mono_bblock_add_inst (s->cbb, tree);
130 cflags: OP_COMPARE (CEE_LDIND_REF (base), OP_ICONST),
131 cflags: OP_COMPARE (CEE_LDIND_I (base), OP_ICONST),
132 cflags: OP_COMPARE (CEE_LDIND_I4 (base), OP_ICONST),
133 cflags: OP_COMPARE (CEE_LDIND_U4 (base), OP_ICONST) {
134 tree->opcode = OP_X86_COMPARE_MEMBASE_IMM;
135 tree->inst_basereg = state->left->left->tree->inst_basereg;
136 tree->inst_offset = state->left->left->tree->inst_offset;
137 tree->inst_imm = state->right->tree->inst_c0;
138 mono_bblock_add_inst (s->cbb, tree);
141 cflags: OP_COMPARE (reg, CEE_LDIND_REF (base)),
142 cflags: OP_COMPARE (reg, CEE_LDIND_I (base)),
143 cflags: OP_COMPARE (reg, CEE_LDIND_I4 (base)),
144 cflags: OP_COMPARE (reg, CEE_LDIND_U4 (base)) {
145 tree->opcode = OP_X86_COMPARE_REG_MEMBASE;
146 tree->sreg2 = state->right->left->tree->inst_basereg;
147 tree->inst_offset = state->right->left->tree->inst_offset;
148 tree->sreg1 = state->left->reg1;
149 mono_bblock_add_inst (s->cbb, tree);
152 cflags : OP_CEQ (OP_COMPARE (OP_CEQ (cflags), OP_ICONST)) {
153 tree->opcode = OP_CNE;
154 tree->dreg = state->reg1;
155 mono_bblock_add_inst (s->cbb, tree);
157 MBCOND (!state->left->right->tree->inst_c0);
161 stmt: CEE_STIND_I1 (base, OP_CEQ (OP_COMPARE (OP_CEQ (cflags), OP_ICONST))) {
162 tree->opcode = OP_X86_SETNE_MEMBASE;
163 tree->inst_offset = state->left->tree->inst_offset;
164 tree->inst_basereg = state->left->tree->inst_basereg;
165 mono_bblock_add_inst (s->cbb, tree);
167 MBCOND (!state->right->left->right->tree->inst_c0);
171 stmt: CEE_STIND_I1 (base, OP_CEQ (cflags)) {
172 tree->opcode = OP_X86_SETEQ_MEMBASE;
173 tree->inst_offset = state->left->tree->inst_offset;
174 tree->inst_basereg = state->left->tree->inst_basereg;
175 mono_bblock_add_inst (s->cbb, tree);
178 reg: OP_LOCALLOC (OP_ICONST) {
179 if (tree->flags & MONO_INST_INIT) {
180 /* microcoded in mini-x86.c */
181 tree->sreg1 = mono_regstate_next_int (s->rs);
182 tree->dreg = state->reg1;
183 MONO_EMIT_NEW_ICONST (s, tree->sreg1, state->left->tree->inst_c0);
184 mono_bblock_add_inst (s->cbb, tree);
186 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, state->left->tree->inst_c0);
187 MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, X86_ESP);
191 reg: OP_LOCALLOC (reg) {
192 tree->sreg1 = state->left->tree->dreg;
193 tree->dreg = state->reg1;
194 mono_bblock_add_inst (s->cbb, tree);
197 stmt: OP_SETRET (reg) {
198 MONO_EMIT_UNALU (s, tree, OP_MOVE, X86_EAX, state->left->reg1);
201 stmt: OP_SETRET (lreg) {
202 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EDX, state->left->reg2);
203 MONO_EMIT_UNALU (s, tree, OP_MOVE, X86_EAX, state->left->reg1);
206 stmt: OP_SETRET (CEE_LDIND_REF (OP_REGVAR)),
207 stmt: OP_SETRET (CEE_LDIND_I (OP_REGVAR)),
208 stmt: OP_SETRET (CEE_LDIND_I4 (OP_REGVAR)),
209 stmt: OP_SETRET (CEE_LDIND_U4 (OP_REGVAR)) {
210 MONO_EMIT_UNALU (s, tree, OP_MOVE, X86_EAX, state->left->left->tree->dreg);
213 stmt: OP_SETRET (freg) {
217 stmt: OP_SETRET (OP_ICONST) {
218 tree->opcode = OP_ICONST;
219 tree->inst_c0 = state->left->tree->inst_c0;
220 tree->dreg = X86_EAX;
221 mono_bblock_add_inst (s->cbb, tree);
224 stmt: OP_OUTARG (reg) {
225 tree->opcode = OP_X86_PUSH;
226 tree->sreg1 = state->left->reg1;
227 mono_bblock_add_inst (s->cbb, tree);
230 stmt: OP_OUTARG (CEE_LDIND_REF (OP_REGVAR)),
231 stmt: OP_OUTARG (CEE_LDIND_I4 (OP_REGVAR)),
232 stmt: OP_OUTARG (CEE_LDIND_U4 (OP_REGVAR)),
233 stmt: OP_OUTARG (CEE_LDIND_I (OP_REGVAR)) {
234 tree->opcode = OP_X86_PUSH;
235 tree->sreg1 = state->left->left->tree->dreg;
236 mono_bblock_add_inst (s->cbb, tree);
239 stmt: OP_OUTARG (lreg) {
240 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg2);
241 tree->opcode = OP_X86_PUSH;
242 tree->sreg1 = state->left->reg1;
243 mono_bblock_add_inst (s->cbb, tree);
246 stmt: OP_OUTARG (CEE_LDIND_I8 (base)) {
248 ins = mono_mempool_alloc0 (s->mempool, sizeof (MonoInst));
249 ins->opcode = OP_X86_PUSH_MEMBASE;
250 ins->inst_basereg = state->left->left->tree->inst_basereg;
251 ins->inst_offset = state->left->left->tree->inst_offset + 4;
252 mono_bblock_add_inst (s->cbb, ins);
254 tree->opcode = OP_X86_PUSH_MEMBASE;
255 tree->inst_basereg = state->left->left->tree->inst_basereg;
256 tree->inst_offset = state->left->left->tree->inst_offset;
257 mono_bblock_add_inst (s->cbb, tree);
260 stmt: OP_OUTARG (OP_ICONST) {
261 tree->opcode = OP_X86_PUSH_IMM;
262 tree->inst_imm = state->left->tree->inst_c0;
263 mono_bblock_add_inst (s->cbb, tree);
266 stmt: OP_OUTARG (CEE_LDIND_I4 (base)),
267 stmt: OP_OUTARG (CEE_LDIND_U4 (base)),
268 stmt: OP_OUTARG (CEE_LDIND_I (base)),
269 stmt: OP_OUTARG (CEE_LDIND_REF (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_LDOBJ (reg)) {
277 tree->opcode = OP_X86_PUSH;
278 tree->sreg1 = state->left->reg1;
279 mono_bblock_add_inst (s->cbb, tree);
282 stmt: OP_OUTARG (freg) {
283 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 8);
284 tree->opcode = OP_STORER8_MEMBASE_REG;
285 tree->sreg1 = state->left->reg1;
286 tree->inst_destbasereg = X86_ESP;
287 tree->inst_offset = 0;
288 mono_bblock_add_inst (s->cbb, tree);
291 stmt: OP_OUTARG_R4 (freg) {
292 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 4);
293 tree->opcode = OP_STORER4_MEMBASE_REG;
294 tree->sreg1 = state->left->reg1;
295 tree->inst_destbasereg = X86_ESP;
296 tree->inst_offset = 0;
297 mono_bblock_add_inst (s->cbb, tree);
300 stmt: OP_OUTARG_R8 (freg) {
301 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 8);
302 tree->opcode = OP_STORER8_MEMBASE_REG;
303 tree->sreg1 = state->left->reg1;
304 tree->inst_destbasereg = X86_ESP;
305 tree->inst_offset = 0;
306 mono_bblock_add_inst (s->cbb, tree);
309 stmt: OP_OUTARG_VT (CEE_LDOBJ (base)) {
310 MonoInst *vt = state->left->left->tree;
311 //g_print ("vt size: %d at R%d + %d\n", tree->inst_imm, vt->inst_basereg, vt->inst_offset);
316 if (tree->inst_imm <= 4) {
317 tree->opcode = OP_X86_PUSH_MEMBASE;
318 tree->inst_basereg = vt->inst_basereg;
319 tree->inst_offset = vt->inst_offset;
320 mono_bblock_add_inst (s->cbb, tree);
321 } else if (tree->inst_imm <= 20) {
322 int sz = tree->inst_imm;
325 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, sz);
326 mini_emit_memcpy (s, X86_ESP, 0, vt->inst_basereg, vt->inst_offset, tree->inst_imm, 0);
328 tree->opcode = OP_X86_PUSH_OBJ;
329 tree->inst_basereg = vt->inst_basereg;
330 tree->inst_offset = vt->inst_offset;
331 mono_bblock_add_inst (s->cbb, tree);
335 stmt: OP_OUTARG_VT (OP_ICONST) {
336 tree->opcode = OP_X86_PUSH_IMM;
337 tree->inst_imm = state->left->tree->inst_c0;
338 mono_bblock_add_inst (s->cbb, tree);
341 stmt: OP_OUTARG_VT (reg) {
342 tree->opcode = OP_X86_PUSH;
343 tree->sreg1 = state->left->tree->dreg;
344 mono_bblock_add_inst (s->cbb, tree);
347 reg: OP_LDADDR (OP_REGOFFSET),
348 reg: CEE_LDOBJ (OP_REGOFFSET) {
349 if (state->left->tree->inst_offset) {
350 tree->opcode = OP_X86_LEA_MEMBASE;
351 tree->inst_imm = state->left->tree->inst_offset;
353 tree->opcode = OP_MOVE;
355 tree->sreg1 = state->left->tree->inst_basereg;
356 tree->dreg = state->reg1;
357 mono_bblock_add_inst (s->cbb, tree);
360 reg: CEE_LDELEMA (reg, reg) "15" {
361 guint32 size = mono_class_array_element_size (tree->klass);
363 MONO_EMIT_BOUNDS_CHECK (s, state->left->reg1, MonoArray, max_length, state->right->reg1);
365 if (size == 1 || size == 2 || size == 4 || size == 8) {
366 static const int fast_log2 [] = { 1, 0, 1, -1, 2, -1, -1, -1, 3 };
367 tree->opcode = OP_X86_LEA;
368 tree->dreg = state->reg1;
369 tree->sreg1 = state->left->reg1;
370 tree->sreg2 = state->right->reg1;
371 tree->inst_imm = G_STRUCT_OFFSET (MonoArray, vector);
372 tree->unused = fast_log2 [size];
373 mono_bblock_add_inst (s->cbb, tree);
375 int mult_reg = mono_regstate_next_int (s->rs);
376 int add_reg = mono_regstate_next_int (s->rs);
377 MONO_EMIT_NEW_BIALU_IMM (s, OP_MUL_IMM, mult_reg, state->right->reg1, size);
378 MONO_EMIT_NEW_BIALU (s, CEE_ADD, add_reg, mult_reg, state->left->reg1);
379 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, add_reg, G_STRUCT_OFFSET (MonoArray, vector));
383 stmt: CEE_STIND_R8 (OP_REGVAR, freg) {
384 /* nothing to do: the value is already on the FP stack */
387 stmt: CEE_STIND_I4 (base, CEE_ADD (CEE_LDIND_I4 (base), OP_ICONST)) {
388 int con = state->right->right->tree->inst_c0;
391 tree->opcode = OP_X86_INC_MEMBASE;
393 tree->opcode = OP_X86_ADD_MEMBASE_IMM;
394 tree->inst_imm = con;
397 tree->inst_basereg = state->left->tree->inst_basereg;
398 tree->inst_offset = state->left->tree->inst_offset;
399 mono_bblock_add_inst (s->cbb, tree);
401 MBTREE_TYPE *t1 = state->right->left->left->tree;
402 MBTREE_TYPE *t2 = state->left->tree;
403 MBCOND (t1->inst_basereg == t2->inst_basereg &&
404 t1->inst_offset == t2->inst_offset);
408 stmt: CEE_STIND_I4 (base, CEE_SUB (CEE_LDIND_I4 (base), OP_ICONST)) {
409 int con = state->right->right->tree->inst_c0;
412 tree->opcode = OP_X86_DEC_MEMBASE;
414 tree->opcode = OP_X86_SUB_MEMBASE_IMM;
415 tree->inst_imm = con;
418 tree->inst_basereg = state->left->tree->inst_basereg;
419 tree->inst_offset = state->left->tree->inst_offset;
420 mono_bblock_add_inst (s->cbb, tree);
422 MBTREE_TYPE *t1 = state->right->left->left->tree;
423 MBTREE_TYPE *t2 = state->left->tree;
424 MBCOND (t1->inst_basereg == t2->inst_basereg &&
425 t1->inst_offset == t2->inst_offset);
430 # this rules is incorrect, it needs to do an indirect inc (inc_membase)
431 #stmt: CEE_STIND_I4 (reg, CEE_ADD (reg, OP_ICONST)) {
432 # tree->opcode = OP_X86_INC_REG;
433 # tree->dreg = state->left->reg1;
434 # mono_bblock_add_inst (s->cbb, tree);
436 # MBState *s1 = state->left;
437 # MBState *s2 = state->right->left;
438 # int con = state->right->right->tree->inst_c0;
439 # MBCOND (con == 1 && s1->reg1 == s2->reg1);
443 stmt: CEE_STIND_I4 (OP_REGVAR, CEE_SUB (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)) {
444 int con = state->right->right->tree->inst_c0;
445 int dreg = state->left->tree->dreg;
446 int sreg = state->right->left->left->tree->dreg;
450 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
451 tree->opcode = OP_X86_DEC_REG;
452 tree->dreg = tree->sreg1 = dreg;
453 } else if (con == -1) {
455 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
456 tree->opcode = OP_X86_INC_REG;
457 tree->dreg = tree->sreg1 = dreg;
459 tree->opcode = OP_SUB_IMM;
460 tree->inst_imm = con;
464 mono_bblock_add_inst (s->cbb, tree);
467 stmt: CEE_STIND_I (OP_REGVAR, CEE_ADD (CEE_LDIND_I (OP_REGVAR), OP_ICONST)),
468 stmt: CEE_STIND_I4 (OP_REGVAR, CEE_ADD (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)) {
469 int con = state->right->right->tree->inst_c0;
470 int dreg = state->left->tree->dreg;
471 int sreg = state->right->left->left->tree->dreg;
475 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
476 tree->opcode = OP_X86_INC_REG;
477 tree->dreg = tree->sreg1 = dreg;
478 } else if (con == -1) {
480 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
481 tree->opcode = OP_X86_DEC_REG;
482 tree->dreg = tree->sreg1 = dreg;
484 tree->opcode = OP_ADD_IMM;
485 tree->inst_imm = con;
489 mono_bblock_add_inst (s->cbb, tree);
492 reg: CEE_LDIND_I2 (OP_REGVAR) {
493 MONO_EMIT_UNALU (s, tree, OP_SEXT_I2, state->reg1, state->left->tree->dreg);
497 stmt: CEE_STIND_I4 (OP_REGVAR, OP_ICONST),
498 stmt: CEE_STIND_I2 (OP_REGVAR, OP_ICONST),
499 stmt: CEE_STIND_I1 (OP_REGVAR, OP_ICONST),
500 stmt: CEE_STIND_REF (OP_REGVAR, OP_ICONST),
501 stmt: CEE_STIND_I (OP_REGVAR, OP_ICONST) {
502 int r = state->left->tree->dreg;
503 MONO_EMIT_BIALU (s, tree, CEE_XOR, r, r, r);
505 MBCOND (!state->right->tree->inst_c0);
510 # on x86, fp compare overwrites EAX, so we must
511 # either improve the local register allocator or
512 # emit coarse opcodes which saves EAX for us.
514 reg: OP_CEQ (OP_COMPARE (freg, freg)) {
515 MONO_EMIT_BIALU (s, tree, OP_FCEQ, state->reg1, state->left->left->reg1,
516 state->left->right->reg1);
519 reg: OP_CLT (OP_COMPARE (freg, freg)) {
520 MONO_EMIT_BIALU (s, tree, OP_FCLT, state->reg1, state->left->left->reg1,
521 state->left->right->reg1);
524 reg: OP_CLT_UN (OP_COMPARE (freg, freg)) {
525 MONO_EMIT_BIALU (s, tree, OP_FCLT_UN, state->reg1, state->left->left->reg1,
526 state->left->right->reg1);
529 reg: OP_CGT (OP_COMPARE (freg, freg)) {
530 MONO_EMIT_BIALU (s, tree, OP_FCGT, state->reg1, state->left->left->reg1,
531 state->left->right->reg1);
534 reg: OP_CGT_UN (OP_COMPARE (freg, freg)) {
535 MONO_EMIT_BIALU (s, tree, OP_FCGT_UN, state->reg1, state->left->left->reg1,
536 state->left->right->reg1);
539 # fpcflags overwrites EAX, but this does not matter for statements
540 # because we are the last operation in the tree.
542 stmt: CEE_BNE_UN (fpcflags) {
543 tree->opcode = OP_FBNE_UN;
544 mono_bblock_add_inst (s->cbb, tree);
547 stmt: CEE_BEQ (fpcflags) {
548 tree->opcode = OP_FBEQ;
549 mono_bblock_add_inst (s->cbb, tree);
552 stmt: CEE_BLT (fpcflags) {
553 tree->opcode = OP_FBLT;
554 mono_bblock_add_inst (s->cbb, tree);
557 stmt: CEE_BLT_UN (fpcflags) {
558 tree->opcode = OP_FBLT_UN;
559 mono_bblock_add_inst (s->cbb, tree);
562 stmt: CEE_BGT (fpcflags) {
563 tree->opcode = OP_FBGT;
564 mono_bblock_add_inst (s->cbb, tree);
567 stmt: CEE_BGT_UN (fpcflags) {
568 tree->opcode = OP_FBGT_UN;
569 mono_bblock_add_inst (s->cbb, tree);
572 stmt: CEE_BGE (fpcflags) {
573 tree->opcode = OP_FBGE;
574 mono_bblock_add_inst (s->cbb, tree);
577 stmt: CEE_BGE_UN (fpcflags) {
578 tree->opcode = OP_FBGE_UN;
579 mono_bblock_add_inst (s->cbb, tree);
582 stmt: CEE_BLE (fpcflags) {
583 tree->opcode = OP_FBLE;
584 mono_bblock_add_inst (s->cbb, tree);
587 stmt: CEE_BLE_UN (fpcflags) {
588 tree->opcode = OP_FBLE_UN;
589 mono_bblock_add_inst (s->cbb, tree);
592 stmt: CEE_POP (freg) "0" {
593 /* we need to pop the value from the x86 FP stack */
594 MONO_EMIT_UNALU (s, tree, OP_X86_FPOP, -1, state->left->reg1);
597 # override the rules in inssel-float.brg that work for machines with FP registers
599 freg: OP_FCONV_TO_R8 (freg) "0" {
603 freg: OP_FCONV_TO_R4 (freg) "0" {
604 /* fixme: nothing to do ??*/
607 reg: CEE_ADD(reg, CEE_LDIND_I4 (base)) {
608 MonoInst *base = state->right->left->tree;
610 tree->dreg = state->reg1;
611 tree->sreg1 = state->left->reg1;
612 tree->sreg2 = base->inst_basereg;
613 tree->inst_offset = base->inst_offset;
614 tree->opcode = OP_X86_ADD_MEMBASE;
615 mono_bblock_add_inst (s->cbb, tree);
618 reg: CEE_SUB(reg, CEE_LDIND_I4 (base)) {
619 MonoInst *base = state->right->left->tree;
621 tree->dreg = state->reg1;
622 tree->sreg1 = state->left->reg1;
623 tree->sreg2 = base->inst_basereg;
624 tree->inst_offset = base->inst_offset;
625 tree->opcode = OP_X86_SUB_MEMBASE;
626 mono_bblock_add_inst (s->cbb, tree);
629 reg: CEE_MUL(reg, CEE_LDIND_I4 (base)) {
630 MonoInst *base = state->right->left->tree;
632 tree->dreg = state->reg1;
633 tree->sreg1 = state->left->reg1;
634 tree->sreg2 = base->inst_basereg;
635 tree->inst_offset = base->inst_offset;
636 tree->opcode = OP_X86_MUL_MEMBASE;
637 mono_bblock_add_inst (s->cbb, tree);
640 lreg: OP_LSHL (lreg, reg) "0" {
641 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
644 lreg: OP_LSHL (lreg, OP_ICONST) "0" {
645 MONO_EMIT_BIALU_IMM (s, tree, OP_LSHL_IMM, state->reg1, state->left->reg1, state->right->tree->inst_c0);
648 lreg: OP_LSHR (lreg, reg) "0" {
649 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
652 lreg: OP_LSHR (lreg, OP_ICONST) "0" {
653 MONO_EMIT_BIALU_IMM (s, tree, OP_LSHR_IMM, state->reg1, state->left->reg1, state->right->tree->inst_c0);
656 lreg: OP_LSHR_UN (lreg, reg) "0" {
657 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
660 lreg: OP_LSHR_UN (lreg, OP_ICONST) "0" {
661 MONO_EMIT_BIALU_IMM (s, tree, OP_LSHR_UN_IMM, state->reg1, state->left->reg1, state->right->tree->inst_c0);
664 reg: OP_X86_TLS_GET {
665 tree->dreg = state->reg1;
666 mono_bblock_add_inst (s->cbb, tree);