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"); \
40 int call_reg_to_call_membase (int opcode);
45 # inssel-x86.brg: burg file for special x86 instructions
48 # Dietmar Maurer (dietmar@ximian.com)
49 # Paolo Molaro (lupus@ximian.com)
51 # (C) 2002 Ximian, Inc.
54 stmt: OP_START_HANDLER {
55 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
56 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, spvar->inst_basereg, spvar->inst_offset, X86_ESP);
59 stmt: CEE_ENDFINALLY {
60 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
61 MONO_EMIT_NEW_LOAD_MEMBASE (s, X86_ESP, spvar->inst_basereg, spvar->inst_offset);
62 tree->opcode = CEE_RET;
63 mono_bblock_add_inst (s->cbb, tree);
66 stmt: OP_ENDFILTER (reg) {
67 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
68 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EAX, state->left->reg1);
69 MONO_EMIT_NEW_LOAD_MEMBASE (s, X86_ESP, spvar->inst_basereg, spvar->inst_offset);
70 tree->opcode = CEE_RET;
71 mono_bblock_add_inst (s->cbb, tree);
74 stmt: CEE_STIND_I8 (OP_REGVAR, lreg) {
75 /* this should only happen for methods returning a long */
76 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EAX, state->right->reg1);
77 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EDX, state->right->reg2);
80 lreg: OP_LNEG (lreg) "3" {
81 int tmpr = mono_regstate_next_int (s->rs);
82 MONO_EMIT_NEW_UNALU (s, CEE_NEG, state->reg1, state->left->reg1);
83 MONO_EMIT_BIALU_IMM (s, tree, OP_ADC_IMM, tmpr, state->left->reg2, 0);
84 MONO_EMIT_NEW_UNALU (s, CEE_NEG, state->reg2, tmpr);
87 freg: OP_LCONV_TO_R8 (lreg) {
88 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg2);
89 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg1);
90 tree->opcode = OP_X86_FP_LOAD_I8;
91 tree->inst_basereg = X86_ESP;
92 tree->inst_offset = 0;
93 mono_bblock_add_inst (s->cbb, tree);
94 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, X86_ESP, X86_ESP, 8);
97 freg: OP_LCONV_TO_R4 (lreg) {
98 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg2);
99 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg1);
100 tree->opcode = OP_X86_FP_LOAD_I8;
101 tree->inst_basereg = X86_ESP;
102 tree->inst_offset = 0;
103 mono_bblock_add_inst (s->cbb, tree);
104 /* change precision */
105 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORER4_MEMBASE_REG, X86_ESP, 0, state->reg1);
106 MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADR4_MEMBASE, state->reg1, X86_ESP, 0);
107 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, X86_ESP, X86_ESP, 8);
110 freg: CEE_CONV_R_UN (reg) {
111 MONO_EMIT_NEW_BIALU_IMM (s, OP_X86_PUSH_IMM, -1, -1, 0);
112 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg1);
113 tree->opcode = OP_X86_FP_LOAD_I8;
114 tree->inst_basereg = X86_ESP;
115 tree->inst_offset = 0;
116 mono_bblock_add_inst (s->cbb, tree);
117 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, X86_ESP, X86_ESP, 8);
120 cflags: OP_COMPARE (CEE_LDIND_REF (base), reg),
121 cflags: OP_COMPARE (CEE_LDIND_I (base), reg),
122 cflags: OP_COMPARE (CEE_LDIND_I4 (base), reg),
123 cflags: OP_COMPARE (CEE_LDIND_U4 (base), reg) {
124 tree->opcode = OP_X86_COMPARE_MEMBASE_REG;
125 tree->inst_basereg = state->left->left->tree->inst_basereg;
126 tree->inst_offset = state->left->left->tree->inst_offset;
127 tree->sreg2 = state->right->reg1;
128 mono_bblock_add_inst (s->cbb, tree);
131 cflags: OP_COMPARE (CEE_LDIND_REF (base), CEE_LDIND_REF (OP_REGVAR)),
132 cflags: OP_COMPARE (CEE_LDIND_I (base), CEE_LDIND_REF (OP_REGVAR)),
133 cflags: OP_COMPARE (CEE_LDIND_I4 (base), CEE_LDIND_REF (OP_REGVAR)),
134 cflags: OP_COMPARE (CEE_LDIND_U4 (base), CEE_LDIND_REF (OP_REGVAR)) {
135 tree->opcode = OP_X86_COMPARE_MEMBASE_REG;
136 tree->inst_basereg = state->left->left->tree->inst_basereg;
137 tree->inst_offset = state->left->left->tree->inst_offset;
138 tree->sreg2 = state->right->left->tree->dreg;
139 mono_bblock_add_inst (s->cbb, tree);
142 cflags: OP_COMPARE (CEE_LDIND_REF (base), OP_ICONST),
143 cflags: OP_COMPARE (CEE_LDIND_I (base), OP_ICONST),
144 cflags: OP_COMPARE (CEE_LDIND_I4 (base), OP_ICONST),
145 cflags: OP_COMPARE (CEE_LDIND_U4 (base), OP_ICONST) {
146 tree->opcode = OP_X86_COMPARE_MEMBASE_IMM;
147 tree->inst_basereg = state->left->left->tree->inst_basereg;
148 tree->inst_offset = state->left->left->tree->inst_offset;
149 tree->inst_imm = state->right->tree->inst_c0;
150 mono_bblock_add_inst (s->cbb, tree);
154 cflags: OP_COMPARE (CEE_LDIND_REF (OP_ICONST), OP_ICONST),
155 cflags: OP_COMPARE (CEE_LDIND_I (OP_ICONST), OP_ICONST),
156 cflags: OP_COMPARE (CEE_LDIND_I4 (OP_ICONST), OP_ICONST),
157 cflags: OP_COMPARE (CEE_LDIND_U4 (OP_ICONST), OP_ICONST) {
158 tree->opcode = OP_X86_COMPARE_MEM_IMM;
159 tree->inst_offset = state->left->left->tree->inst_c0;
160 tree->inst_imm = state->right->tree->inst_c0;
161 mono_bblock_add_inst (s->cbb, tree);
164 cflags: OP_COMPARE (reg, CEE_LDIND_REF (base)),
165 cflags: OP_COMPARE (reg, CEE_LDIND_I (base)),
166 cflags: OP_COMPARE (reg, CEE_LDIND_I4 (base)),
167 cflags: OP_COMPARE (reg, CEE_LDIND_U4 (base)) {
168 tree->opcode = OP_X86_COMPARE_REG_MEMBASE;
169 tree->sreg2 = state->right->left->tree->inst_basereg;
170 tree->inst_offset = state->right->left->tree->inst_offset;
171 tree->sreg1 = state->left->reg1;
172 mono_bblock_add_inst (s->cbb, tree);
175 cflags: OP_COMPARE (CEE_LDIND_REF (OP_REGVAR), CEE_LDIND_REF (base)),
176 cflags: OP_COMPARE (CEE_LDIND_I (OP_REGVAR), CEE_LDIND_I (base)),
177 cflags: OP_COMPARE (CEE_LDIND_I4 (OP_REGVAR), CEE_LDIND_I4 (base)),
178 cflags: OP_COMPARE (CEE_LDIND_U4 (OP_REGVAR), CEE_LDIND_U4 (base)) {
179 tree->opcode = OP_X86_COMPARE_REG_MEMBASE;
180 tree->sreg2 = state->right->left->tree->inst_basereg;
181 tree->inst_offset = state->right->left->tree->inst_offset;
182 tree->sreg1 = state->left->left->tree->dreg;
183 mono_bblock_add_inst (s->cbb, tree);
186 cflags : OP_CEQ (OP_COMPARE (OP_CEQ (cflags), OP_ICONST)) {
187 tree->opcode = OP_CNE;
188 tree->dreg = state->reg1;
189 mono_bblock_add_inst (s->cbb, tree);
191 MBCOND (!state->left->right->tree->inst_c0);
195 stmt: CEE_STIND_I1 (base, OP_CEQ (OP_COMPARE (OP_CEQ (cflags), OP_ICONST))) {
196 tree->opcode = OP_X86_SETNE_MEMBASE;
197 tree->inst_offset = state->left->tree->inst_offset;
198 tree->inst_basereg = state->left->tree->inst_basereg;
199 mono_bblock_add_inst (s->cbb, tree);
201 MBCOND (!state->right->left->right->tree->inst_c0);
205 stmt: CEE_STIND_I1 (base, OP_CEQ (cflags)) {
206 tree->opcode = OP_X86_SETEQ_MEMBASE;
207 tree->inst_offset = state->left->tree->inst_offset;
208 tree->inst_basereg = state->left->tree->inst_basereg;
209 mono_bblock_add_inst (s->cbb, tree);
212 reg: OP_LOCALLOC (OP_ICONST) {
213 if (tree->flags & MONO_INST_INIT) {
214 /* microcoded in mini-x86.c */
215 tree->sreg1 = mono_regstate_next_int (s->rs);
216 tree->dreg = state->reg1;
217 MONO_EMIT_NEW_ICONST (s, tree->sreg1, state->left->tree->inst_c0);
218 mono_bblock_add_inst (s->cbb, tree);
220 guint32 size = state->left->tree->inst_c0;
221 size = (size + (MONO_ARCH_FRAME_ALIGNMENT - 1)) & ~ (MONO_ARCH_FRAME_ALIGNMENT - 1);
222 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, size);
223 MONO_EMIT_UNALU (s, tree, OP_MOVE, state->reg1, X86_ESP);
227 reg: OP_LOCALLOC (reg) {
228 tree->sreg1 = state->left->tree->dreg;
229 tree->dreg = state->reg1;
230 mono_bblock_add_inst (s->cbb, tree);
233 stmt: OP_SETRET (reg) {
234 MONO_EMIT_UNALU (s, tree, OP_MOVE, X86_EAX, state->left->reg1);
237 stmt: OP_SETRET (lreg) {
238 MONO_EMIT_NEW_UNALU (s, OP_MOVE, X86_EDX, state->left->reg2);
239 MONO_EMIT_UNALU (s, tree, OP_MOVE, X86_EAX, state->left->reg1);
242 stmt: OP_SETRET (CEE_LDIND_REF (OP_REGVAR)),
243 stmt: OP_SETRET (CEE_LDIND_I (OP_REGVAR)),
244 stmt: OP_SETRET (CEE_LDIND_I4 (OP_REGVAR)),
245 stmt: OP_SETRET (CEE_LDIND_U4 (OP_REGVAR)) {
246 MONO_EMIT_UNALU (s, tree, OP_MOVE, X86_EAX, state->left->left->tree->dreg);
249 stmt: OP_SETRET (freg) {
253 stmt: OP_SETRET (OP_ICONST) {
254 tree->opcode = OP_ICONST;
255 tree->inst_c0 = state->left->tree->inst_c0;
256 tree->dreg = X86_EAX;
257 mono_bblock_add_inst (s->cbb, tree);
260 stmt: OP_SETRET (i8con) {
261 MONO_EMIT_NEW_ICONST (s, X86_EAX, state->left->tree->inst_ls_word);
262 MONO_EMIT_NEW_ICONST (s, X86_EDX, state->left->tree->inst_ms_word);
265 stmt: OP_OUTARG (reg) {
266 tree->opcode = OP_X86_PUSH;
267 tree->sreg1 = state->left->reg1;
268 mono_bblock_add_inst (s->cbb, tree);
271 stmt: OP_OUTARG (CEE_LDIND_REF (OP_REGVAR)),
272 stmt: OP_OUTARG (CEE_LDIND_I4 (OP_REGVAR)),
273 stmt: OP_OUTARG (CEE_LDIND_U4 (OP_REGVAR)),
274 stmt: OP_OUTARG (CEE_LDIND_I (OP_REGVAR)) {
275 tree->opcode = OP_X86_PUSH;
276 tree->sreg1 = state->left->left->tree->dreg;
277 mono_bblock_add_inst (s->cbb, tree);
280 stmt: OP_OUTARG (OP_GOT_ENTRY (CEE_LDIND_I (OP_REGVAR), OP_PATCH_INFO)) {
282 ins = mono_mempool_alloc0 (s->mempool, sizeof (MonoInst));
283 ins->opcode = OP_X86_PUSH_GOT_ENTRY;
284 ins->inst_right = state->left->right->tree;
285 ins->inst_basereg = state->left->left->left->tree->dreg;
286 mono_bblock_add_inst (s->cbb, ins);
289 stmt: OP_OUTARG (lreg) {
290 MONO_EMIT_NEW_UNALU (s, OP_X86_PUSH, -1, state->left->reg2);
291 tree->opcode = OP_X86_PUSH;
292 tree->sreg1 = state->left->reg1;
293 mono_bblock_add_inst (s->cbb, tree);
296 stmt: OP_OUTARG (CEE_LDIND_I8 (base)) {
298 ins = mono_mempool_alloc0 (s->mempool, sizeof (MonoInst));
299 ins->opcode = OP_X86_PUSH_MEMBASE;
300 ins->inst_basereg = state->left->left->tree->inst_basereg;
301 ins->inst_offset = state->left->left->tree->inst_offset + 4;
302 mono_bblock_add_inst (s->cbb, ins);
304 tree->opcode = OP_X86_PUSH_MEMBASE;
305 tree->inst_basereg = state->left->left->tree->inst_basereg;
306 tree->inst_offset = state->left->left->tree->inst_offset;
307 mono_bblock_add_inst (s->cbb, tree);
310 stmt: OP_OUTARG (OP_ICONST) {
311 tree->opcode = OP_X86_PUSH_IMM;
312 tree->inst_imm = state->left->tree->inst_c0;
313 mono_bblock_add_inst (s->cbb, tree);
316 stmt: OP_OUTARG (i8con) {
318 ins = mono_mempool_alloc0 (s->mempool, sizeof (MonoInst));
319 ins->opcode = OP_X86_PUSH_IMM;
320 ins->inst_imm = state->left->tree->inst_ms_word;
321 mono_bblock_add_inst (s->cbb, ins);
323 tree->opcode = OP_X86_PUSH_IMM;
324 tree->inst_imm = state->left->tree->inst_ls_word;
325 mono_bblock_add_inst (s->cbb, tree);
328 stmt: OP_OUTARG (CEE_LDIND_I4 (base)),
329 stmt: OP_OUTARG (CEE_LDIND_U4 (base)),
330 stmt: OP_OUTARG (CEE_LDIND_I (base)),
331 stmt: OP_OUTARG (CEE_LDIND_REF (base)) {
332 tree->opcode = OP_X86_PUSH_MEMBASE;
333 tree->inst_basereg = state->left->left->tree->inst_basereg;
334 tree->inst_offset = state->left->left->tree->inst_offset;
335 mono_bblock_add_inst (s->cbb, tree);
338 stmt: OP_OUTARG (freg) {
339 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 8);
340 tree->opcode = OP_STORER8_MEMBASE_REG;
341 tree->sreg1 = state->left->reg1;
342 tree->inst_destbasereg = X86_ESP;
343 tree->inst_offset = 0;
344 mono_bblock_add_inst (s->cbb, tree);
347 stmt: OP_OUTARG_R4 (freg) {
348 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 4);
349 tree->opcode = OP_STORER4_MEMBASE_REG;
350 tree->sreg1 = state->left->reg1;
351 tree->inst_destbasereg = X86_ESP;
352 tree->inst_offset = 0;
353 mono_bblock_add_inst (s->cbb, tree);
356 stmt: OP_OUTARG_R8 (freg) {
357 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, 8);
358 tree->opcode = OP_STORER8_MEMBASE_REG;
359 tree->sreg1 = state->left->reg1;
360 tree->inst_destbasereg = X86_ESP;
361 tree->inst_offset = 0;
362 mono_bblock_add_inst (s->cbb, tree);
365 stmt: OP_OUTARG_VT (CEE_LDOBJ (base)) {
366 MonoInst *vt = state->left->left->tree;
367 //g_print ("vt size: %d at R%d + %d\n", tree->inst_imm, vt->inst_basereg, vt->inst_offset);
372 if (tree->inst_imm <= 4) {
373 tree->opcode = OP_X86_PUSH_MEMBASE;
374 tree->inst_basereg = vt->inst_basereg;
375 tree->inst_offset = vt->inst_offset;
376 mono_bblock_add_inst (s->cbb, tree);
377 } else if (tree->inst_imm <= 20) {
378 int sz = tree->inst_imm;
381 MONO_EMIT_NEW_BIALU_IMM (s, OP_SUB_IMM, X86_ESP, X86_ESP, sz);
382 mini_emit_memcpy (s, X86_ESP, 0, vt->inst_basereg, vt->inst_offset, tree->inst_imm, 0);
384 tree->opcode = OP_X86_PUSH_OBJ;
385 tree->inst_basereg = vt->inst_basereg;
386 tree->inst_offset = vt->inst_offset;
387 mono_bblock_add_inst (s->cbb, tree);
391 stmt: OP_OUTARG_VT (OP_ICONST) {
392 tree->opcode = OP_X86_PUSH_IMM;
393 tree->inst_imm = state->left->tree->inst_c0;
394 mono_bblock_add_inst (s->cbb, tree);
397 stmt: OP_OUTARG_VT (reg) {
398 tree->opcode = OP_X86_PUSH;
399 tree->sreg1 = state->left->reg1;
400 mono_bblock_add_inst (s->cbb, tree);
403 reg: OP_LDADDR (OP_REGOFFSET),
404 reg: CEE_LDOBJ (OP_REGOFFSET) {
405 if (state->left->tree->inst_offset) {
406 tree->opcode = OP_X86_LEA_MEMBASE;
407 tree->inst_imm = state->left->tree->inst_offset;
409 tree->opcode = OP_MOVE;
411 tree->sreg1 = state->left->tree->inst_basereg;
412 tree->dreg = state->reg1;
413 mono_bblock_add_inst (s->cbb, tree);
416 reg: CEE_LDELEMA (reg, reg) "15" {
417 guint32 size = mono_class_array_element_size (tree->klass);
419 MONO_EMIT_BOUNDS_CHECK (s, state->left->reg1, MonoArray, max_length, state->right->reg1);
421 if (size == 1 || size == 2 || size == 4 || size == 8) {
422 static const int fast_log2 [] = { 1, 0, 1, -1, 2, -1, -1, -1, 3 };
423 tree->opcode = OP_X86_LEA;
424 tree->dreg = state->reg1;
425 tree->sreg1 = state->left->reg1;
426 tree->sreg2 = state->right->reg1;
427 tree->inst_imm = G_STRUCT_OFFSET (MonoArray, vector);
428 tree->unused = fast_log2 [size];
429 mono_bblock_add_inst (s->cbb, tree);
431 int mult_reg = mono_regstate_next_int (s->rs);
432 int add_reg = mono_regstate_next_int (s->rs);
433 MONO_EMIT_NEW_BIALU_IMM (s, OP_MUL_IMM, mult_reg, state->right->reg1, size);
434 MONO_EMIT_NEW_BIALU (s, CEE_ADD, add_reg, mult_reg, state->left->reg1);
435 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, add_reg, G_STRUCT_OFFSET (MonoArray, vector));
439 stmt: CEE_STIND_R8 (OP_REGVAR, freg) {
440 /* nothing to do: the value is already on the FP stack */
443 stmt: CEE_STIND_I4 (base, CEE_ADD (CEE_LDIND_I4 (base), OP_ICONST)) {
444 int con = state->right->right->tree->inst_c0;
447 tree->opcode = OP_X86_INC_MEMBASE;
449 tree->opcode = OP_X86_ADD_MEMBASE_IMM;
450 tree->inst_imm = con;
453 tree->inst_basereg = state->left->tree->inst_basereg;
454 tree->inst_offset = state->left->tree->inst_offset;
455 mono_bblock_add_inst (s->cbb, tree);
457 MBTREE_TYPE *t1 = state->right->left->left->tree;
458 MBTREE_TYPE *t2 = state->left->tree;
459 MBCOND (t1->inst_basereg == t2->inst_basereg &&
460 t1->inst_offset == t2->inst_offset);
464 stmt: CEE_STIND_I4 (base, CEE_SUB (CEE_LDIND_I4 (base), OP_ICONST)) {
465 int con = state->right->right->tree->inst_c0;
468 tree->opcode = OP_X86_DEC_MEMBASE;
470 tree->opcode = OP_X86_SUB_MEMBASE_IMM;
471 tree->inst_imm = con;
474 tree->inst_basereg = state->left->tree->inst_basereg;
475 tree->inst_offset = state->left->tree->inst_offset;
476 mono_bblock_add_inst (s->cbb, tree);
478 MBTREE_TYPE *t1 = state->right->left->left->tree;
479 MBTREE_TYPE *t2 = state->left->tree;
480 MBCOND (t1->inst_basereg == t2->inst_basereg &&
481 t1->inst_offset == t2->inst_offset);
486 # this rules is incorrect, it needs to do an indirect inc (inc_membase)
487 #stmt: CEE_STIND_I4 (reg, CEE_ADD (reg, OP_ICONST)) {
488 # tree->opcode = OP_X86_INC_REG;
489 # tree->dreg = state->left->reg1;
490 # mono_bblock_add_inst (s->cbb, tree);
492 # MBState *s1 = state->left;
493 # MBState *s2 = state->right->left;
494 # int con = state->right->right->tree->inst_c0;
495 # MBCOND (con == 1 && s1->reg1 == s2->reg1);
499 stmt: CEE_STIND_I4 (OP_REGVAR, CEE_SUB (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)) {
500 int con = state->right->right->tree->inst_c0;
501 int dreg = state->left->tree->dreg;
502 int sreg = state->right->left->left->tree->dreg;
506 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
507 tree->opcode = OP_X86_DEC_REG;
508 tree->dreg = tree->sreg1 = dreg;
509 } else if (con == -1) {
511 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
512 tree->opcode = OP_X86_INC_REG;
513 tree->dreg = tree->sreg1 = dreg;
515 tree->opcode = OP_SUB_IMM;
516 tree->inst_imm = con;
520 mono_bblock_add_inst (s->cbb, tree);
523 stmt: CEE_STIND_I (OP_REGVAR, CEE_ADD (CEE_LDIND_I (OP_REGVAR), OP_ICONST)),
524 stmt: CEE_STIND_I4 (OP_REGVAR, CEE_ADD (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)) {
525 int con = state->right->right->tree->inst_c0;
526 int dreg = state->left->tree->dreg;
527 int sreg = state->right->left->left->tree->dreg;
531 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
532 tree->opcode = OP_X86_INC_REG;
533 tree->dreg = tree->sreg1 = dreg;
534 } else if (con == -1) {
536 MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, sreg);
537 tree->opcode = OP_X86_DEC_REG;
538 tree->dreg = tree->sreg1 = dreg;
540 tree->opcode = OP_ADD_IMM;
541 tree->inst_imm = con;
545 mono_bblock_add_inst (s->cbb, tree);
548 reg: CEE_LDIND_I2 (OP_REGVAR) {
549 MONO_EMIT_UNALU (s, tree, OP_SEXT_I2, state->reg1, state->left->tree->dreg);
553 stmt: CEE_STIND_I4 (OP_REGVAR, OP_ICONST),
554 stmt: CEE_STIND_I2 (OP_REGVAR, OP_ICONST),
555 stmt: CEE_STIND_I1 (OP_REGVAR, OP_ICONST),
556 stmt: CEE_STIND_REF (OP_REGVAR, OP_ICONST),
557 stmt: CEE_STIND_I (OP_REGVAR, OP_ICONST) {
558 int r = state->left->tree->dreg;
559 MONO_EMIT_BIALU (s, tree, CEE_XOR, r, r, r);
561 MBCOND (!state->right->tree->inst_c0);
566 # on x86, fp compare overwrites EAX, so we must
567 # either improve the local register allocator or
568 # emit coarse opcodes which saves EAX for us.
570 reg: OP_CEQ (OP_COMPARE (freg, freg)) {
571 MONO_EMIT_BIALU (s, tree, OP_FCEQ, state->reg1, state->left->left->reg1,
572 state->left->right->reg1);
575 reg: OP_CLT (OP_COMPARE (freg, freg)) {
576 MONO_EMIT_BIALU (s, tree, OP_FCLT, state->reg1, state->left->left->reg1,
577 state->left->right->reg1);
580 reg: OP_CLT_UN (OP_COMPARE (freg, freg)) {
581 MONO_EMIT_BIALU (s, tree, OP_FCLT_UN, state->reg1, state->left->left->reg1,
582 state->left->right->reg1);
585 reg: OP_CGT (OP_COMPARE (freg, freg)) {
586 MONO_EMIT_BIALU (s, tree, OP_FCGT, state->reg1, state->left->left->reg1,
587 state->left->right->reg1);
590 reg: OP_CGT_UN (OP_COMPARE (freg, freg)) {
591 MONO_EMIT_BIALU (s, tree, OP_FCGT_UN, state->reg1, state->left->left->reg1,
592 state->left->right->reg1);
595 # fpcflags overwrites EAX, but this does not matter for statements
596 # because we are the last operation in the tree.
598 stmt: CEE_BNE_UN (fpcflags) {
599 tree->opcode = OP_FBNE_UN;
600 mono_bblock_add_inst (s->cbb, tree);
603 stmt: CEE_BEQ (fpcflags) {
604 tree->opcode = OP_FBEQ;
605 mono_bblock_add_inst (s->cbb, tree);
608 stmt: CEE_BLT (fpcflags) {
609 tree->opcode = OP_FBLT;
610 mono_bblock_add_inst (s->cbb, tree);
613 stmt: CEE_BLT_UN (fpcflags) {
614 tree->opcode = OP_FBLT_UN;
615 mono_bblock_add_inst (s->cbb, tree);
618 stmt: CEE_BGT (fpcflags) {
619 tree->opcode = OP_FBGT;
620 mono_bblock_add_inst (s->cbb, tree);
623 stmt: CEE_BGT_UN (fpcflags) {
624 tree->opcode = OP_FBGT_UN;
625 mono_bblock_add_inst (s->cbb, tree);
628 stmt: CEE_BGE (fpcflags) {
629 tree->opcode = OP_FBGE;
630 mono_bblock_add_inst (s->cbb, tree);
633 stmt: CEE_BGE_UN (fpcflags) {
634 tree->opcode = OP_FBGE_UN;
635 mono_bblock_add_inst (s->cbb, tree);
638 stmt: CEE_BLE (fpcflags) {
639 tree->opcode = OP_FBLE;
640 mono_bblock_add_inst (s->cbb, tree);
643 stmt: CEE_BLE_UN (fpcflags) {
644 tree->opcode = OP_FBLE_UN;
645 mono_bblock_add_inst (s->cbb, tree);
648 stmt: CEE_POP (freg) "0" {
649 /* we need to pop the value from the x86 FP stack */
650 MONO_EMIT_UNALU (s, tree, OP_X86_FPOP, -1, state->left->reg1);
653 # override the rules in inssel-float.brg that work for machines with FP registers
655 freg: OP_FCONV_TO_R8 (freg) "0" {
659 freg: OP_FCONV_TO_R4 (freg) "0" {
660 /* fixme: nothing to do ??*/
663 reg: CEE_ADD(reg, CEE_LDIND_I4 (base)) {
664 MonoInst *base = state->right->left->tree;
666 tree->dreg = state->reg1;
667 tree->sreg1 = state->left->reg1;
668 tree->sreg2 = base->inst_basereg;
669 tree->inst_offset = base->inst_offset;
670 tree->opcode = OP_X86_ADD_MEMBASE;
671 mono_bblock_add_inst (s->cbb, tree);
674 reg: CEE_SUB(reg, CEE_LDIND_I4 (base)) {
675 MonoInst *base = state->right->left->tree;
677 tree->dreg = state->reg1;
678 tree->sreg1 = state->left->reg1;
679 tree->sreg2 = base->inst_basereg;
680 tree->inst_offset = base->inst_offset;
681 tree->opcode = OP_X86_SUB_MEMBASE;
682 mono_bblock_add_inst (s->cbb, tree);
685 reg: CEE_MUL(reg, CEE_LDIND_I4 (base)) {
686 MonoInst *base = state->right->left->tree;
688 tree->dreg = state->reg1;
689 tree->sreg1 = state->left->reg1;
690 tree->sreg2 = base->inst_basereg;
691 tree->inst_offset = base->inst_offset;
692 tree->opcode = OP_X86_MUL_MEMBASE;
693 mono_bblock_add_inst (s->cbb, tree);
696 lreg: OP_LSHL (lreg, reg) "0" {
697 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
700 lreg: OP_LSHL (lreg, OP_ICONST) "0" {
701 MONO_EMIT_BIALU_IMM (s, tree, OP_LSHL_IMM, state->reg1, state->left->reg1, state->right->tree->inst_c0);
704 lreg: OP_LSHR (lreg, reg) "0" {
705 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
708 lreg: OP_LSHR (lreg, OP_ICONST) "0" {
709 MONO_EMIT_BIALU_IMM (s, tree, OP_LSHR_IMM, state->reg1, state->left->reg1, state->right->tree->inst_c0);
712 lreg: OP_LSHR_UN (lreg, reg) "0" {
713 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
716 lreg: OP_LSHR_UN (lreg, OP_ICONST) "0" {
717 MONO_EMIT_BIALU_IMM (s, tree, OP_LSHR_UN_IMM, state->reg1, state->left->reg1, state->right->tree->inst_c0);
720 reg: OP_ATOMIC_ADD_NEW_I4 (base, reg),
721 reg: OP_ATOMIC_ADD_I4 (base, reg) {
722 tree->opcode = tree->opcode;
723 tree->inst_basereg = state->left->tree->inst_basereg;
724 tree->inst_offset = state->left->tree->inst_offset;
725 tree->dreg = state->reg1;
726 tree->sreg2 = state->right->reg1;
728 mono_bblock_add_inst (s->cbb, tree);
731 reg: OP_ATOMIC_EXCHANGE_I4 (base, reg) {
732 tree->opcode = OP_ATOMIC_EXCHANGE_I4;
733 tree->dreg = state->reg1;
734 tree->sreg2 = state->right->reg1;
735 tree->inst_basereg = state->left->tree->inst_basereg;
736 tree->inst_offset = state->left->tree->inst_offset;
738 mono_bblock_add_inst (s->cbb, tree);
741 # Optimized call instructions
742 # mono_arch_patch_delegate_trampoline depends on these
743 reg: OP_CALL_REG (CEE_LDIND_I (base)),
744 freg: OP_FCALL_REG (CEE_LDIND_I (base)),
745 reg: OP_LCALL_REG (CEE_LDIND_I (base)) {
746 tree->opcode = call_reg_to_call_membase (tree->opcode);
747 tree->inst_basereg = state->left->left->tree->inst_basereg;
748 tree->inst_offset = state->left->left->tree->inst_offset;
749 tree->dreg = state->reg1;
750 mono_bblock_add_inst (s->cbb, tree);
753 lreg: OP_LCALL_REG (CEE_LDIND_I (base)) {
754 tree->opcode = call_reg_to_call_membase (tree->opcode);
755 tree->inst_basereg = state->left->left->tree->inst_basereg;
756 tree->inst_offset = state->left->left->tree->inst_offset;
757 tree->dreg = state->reg1;
758 mono_bblock_add_inst (s->cbb, tree);
761 stmt: OP_VOIDCALL_REG (CEE_LDIND_I (base)) {
762 tree->opcode = call_reg_to_call_membase (tree->opcode);
763 tree->inst_basereg = state->left->left->tree->inst_basereg;
764 tree->inst_offset = state->left->left->tree->inst_offset;
765 mono_bblock_add_inst (s->cbb, tree);
768 stmt: OP_VCALL_REG (CEE_LDIND_I (base), reg) {
769 mono_arch_emit_this_vret_args (s, (MonoCallInst*)tree, -1, -1, state->right->reg1);
771 tree->opcode = call_reg_to_call_membase (tree->opcode);
772 tree->inst_basereg = state->left->left->tree->inst_basereg;
773 tree->inst_offset = state->left->left->tree->inst_offset;
774 tree->dreg = state->reg1;
775 mono_bblock_add_inst (s->cbb, tree);
778 # Optimized ldind(reg) rules
779 reg: CEE_LDIND_REF (OP_REGVAR),
780 reg: CEE_LDIND_I (OP_REGVAR),
781 reg: CEE_LDIND_I4 (OP_REGVAR),
782 reg: CEE_LDIND_U4 (OP_REGVAR) "0" {
783 state->reg1 = state->left->tree->dreg;
784 tree->dreg = state->reg1;
790 call_reg_to_call_membase (int opcode)
794 return OP_CALL_MEMBASE;
796 return OP_FCALL_MEMBASE;
798 return OP_VCALL_MEMBASE;
800 return OP_LCALL_MEMBASE;
801 case OP_VOIDCALL_REG:
802 return OP_VOIDCALL_MEMBASE;
804 g_assert_not_reached ();