4 # inssel-arm.brg: burg file for special ARM instructions
7 # Dietmar Maurer (dietmar@ximian.com)
8 # Paolo Molaro (lupus@ximian.com)
10 # (C) 2002 Ximian, Inc.
13 stmt: OP_START_HANDLER {
14 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
15 /*MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, spvar->inst_basereg, spvar->inst_offset, ppc_sp);
17 tree->inst_left = spvar;
18 mono_bblock_add_inst (s->cbb, tree);
21 stmt: CEE_ENDFINALLY {
22 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
23 tree->inst_left = spvar;
24 mono_bblock_add_inst (s->cbb, tree);
27 stmt: OP_ENDFILTER (reg) {
28 MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
29 tree->inst_left = spvar;
30 tree->sreg1 = state->left->reg1;
31 mono_bblock_add_inst (s->cbb, tree);
34 lreg: OP_LADD_OVF (lreg, lreg) "0" {
35 /* ADC sets the condition code */
36 MONO_EMIT_NEW_BIALU (s, OP_ADDCC, state->reg1, state->left->reg1, state->right->reg1);
37 MONO_EMIT_NEW_BIALU (s, OP_ADD_OVF_CARRY, state->reg2, state->left->reg2, state->right->reg2);
40 lreg: OP_LADD_OVF_UN (lreg, lreg) "0" {
41 /* ADC sets the condition code */
42 MONO_EMIT_NEW_BIALU (s, OP_ADDCC, state->reg1, state->left->reg1, state->right->reg1);
43 MONO_EMIT_NEW_BIALU (s, OP_ADD_OVF_UN_CARRY, state->reg2, state->left->reg2, state->right->reg2);
46 lreg: OP_LSUB_OVF (lreg, lreg) "0" {
47 /* SBB sets the condition code */
48 MONO_EMIT_NEW_BIALU (s, OP_SUBCC, state->reg1, state->left->reg1, state->right->reg1);
49 MONO_EMIT_NEW_BIALU (s, OP_SUB_OVF_CARRY, state->reg2, state->left->reg2, state->right->reg2);
52 lreg: OP_LSUB_OVF_UN (lreg, lreg) "0" {
53 /* SBB sets the condition code */
54 MONO_EMIT_NEW_BIALU (s, OP_SUBCC, state->reg1, state->left->reg1, state->right->reg1);
55 MONO_EMIT_NEW_BIALU (s, OP_SUB_OVF_UN_CARRY, state->reg2, state->left->reg2, state->right->reg2);
58 stmt: CEE_STIND_I8 (OP_REGVAR, lreg) {
59 /* this should only happen for methods returning a long */
60 MONO_EMIT_NEW_UNALU (s, OP_MOVE, ARMREG_R0, state->right->reg1);
61 MONO_EMIT_NEW_UNALU (s, OP_MOVE, ARMREG_R1, state->right->reg2);
64 lreg: OP_LNEG (lreg) "2" {
65 MONO_EMIT_NEW_BIALU_IMM (s, OP_ARM_RSBS_IMM, state->reg1, state->left->reg1, 0);
66 MONO_EMIT_BIALU_IMM (s, tree, OP_ARM_RSC_IMM, state->reg2, state->left->reg2, 0);
69 freg: OP_LCONV_TO_R8 (lreg) {
70 tree->dreg = state->reg1;
71 tree->sreg1 = state->left->reg1;
72 tree->sreg2 = state->left->reg2;
73 mono_bblock_add_inst (s->cbb, tree);
76 freg: OP_LCONV_TO_R4 (lreg) {
77 tree->dreg = state->reg1;
78 tree->sreg1 = state->left->reg1;
79 tree->sreg2 = state->left->reg2;
80 mono_bblock_add_inst (s->cbb, tree);
83 freg: CEE_CONV_R_UN (reg) {
84 tree->dreg = state->reg1;
85 tree->sreg1 = state->left->reg1;
86 mono_bblock_add_inst (s->cbb, tree);
89 reg: OP_LOCALLOC (OP_ICONST) {
90 /* microcoded in mini-arm.c */
91 tree->sreg1 = mono_regstate_next_int (s->rs);
92 tree->dreg = state->reg1;
93 MONO_EMIT_NEW_ICONST (s, tree->sreg1, state->left->tree->inst_c0);
94 mono_bblock_add_inst (s->cbb, tree);
97 reg: OP_LOCALLOC (reg) {
98 tree->dreg = state->reg1;
99 tree->sreg1 = state->left->reg1;
100 mono_bblock_add_inst (s->cbb, tree);
103 stmt: OP_SETRET (reg) {
104 tree->opcode = OP_MOVE;
105 tree->sreg1 = state->left->reg1;
106 tree->dreg = ARMREG_R0;
107 mono_bblock_add_inst (s->cbb, tree);
110 stmt: OP_SETRET (lreg) {
111 tree->opcode = OP_SETLRET;
112 tree->sreg1 = state->left->reg1;
113 tree->sreg2 = state->left->reg2;
114 tree->dreg = ARMREG_R0;
115 mono_bblock_add_inst (s->cbb, tree);
118 stmt: OP_SETRET (freg) {
119 tree->opcode = OP_FMOVE;
120 tree->sreg1 = state->left->reg1;
122 mono_bblock_add_inst (s->cbb, tree);
125 stmt: OP_SETRET (OP_ICONST) {
126 tree->opcode = OP_ICONST;
127 tree->inst_c0 = state->left->tree->inst_c0;
128 tree->dreg = ARMREG_R0;
129 mono_bblock_add_inst (s->cbb, tree);
132 stmt: CEE_STIND_I (OP_REGVAR, CEE_SUB (CEE_LDIND_I (OP_REGVAR), OP_ICONST)),
133 stmt: CEE_STIND_I4 (OP_REGVAR, CEE_SUB (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)),
134 stmt: CEE_STIND_I (OP_REGVAR, CEE_ADD (CEE_LDIND_I (OP_REGVAR), OP_ICONST)),
135 stmt: CEE_STIND_I4 (OP_REGVAR, CEE_ADD (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)) {
136 int con = state->right->right->tree->inst_c0;
137 int dreg = state->left->tree->dreg;
138 int sreg = state->right->left->left->tree->dreg;
140 if (state->right->op == CEE_ADD)
141 tree->opcode = OP_ADD_IMM;
142 else if (state->right->op == CEE_SUB)
143 tree->opcode = OP_SUB_IMM;
145 g_assert_not_reached ();
146 tree->inst_imm = con;
149 mono_bblock_add_inst (s->cbb, tree);
152 stmt: OP_OUTARG (reg) {
153 MonoCallInst *call = (MonoCallInst*)tree->inst_right;
155 tree->opcode = OP_SETREG;
156 tree->dreg = mono_regstate_next_int (s->rs);
157 tree->sreg1 = state->left->reg1;
158 mono_bblock_add_inst (s->cbb, tree);
160 mono_call_inst_add_outarg_reg (call, tree->dreg, tree->unused, FALSE);
163 stmt: OP_OUTARG (OP_REGVAR) {
164 MonoCallInst *call = (MonoCallInst*)tree->inst_right;
165 tree->opcode = OP_SETREG;
166 tree->dreg = mono_regstate_next_int (s->rs);
167 tree->sreg1 = state->left->tree->dreg;
168 mono_bblock_add_inst (s->cbb, tree);
170 mono_call_inst_add_outarg_reg (call, tree->dreg, tree->unused, FALSE);
173 stmt: OP_OUTARG (lreg) {
174 MonoCallInst *call = (MonoCallInst*)tree->inst_right;
176 tdreg = mono_regstate_next_int (s->rs);
177 MONO_EMIT_NEW_UNALU (s, OP_SETREG, tdreg, state->left->reg2);
179 /* FIXME: switch the +1 if big endian */
180 mono_call_inst_add_outarg_reg (call, tdreg, tree->unused + 1, FALSE);
182 tree->opcode = OP_SETREG;
183 tree->dreg = mono_regstate_next_int (s->rs);
184 tree->sreg1 = state->left->reg1;
185 mono_bblock_add_inst (s->cbb, tree);
187 mono_call_inst_add_outarg_reg (call, tree->dreg, tree->unused, FALSE);
190 stmt: OP_OUTARG (OP_ICONST) {
191 MonoCallInst *call = (MonoCallInst*)tree->inst_right;
192 tree->opcode = OP_ICONST;
193 tree->dreg = mono_regstate_next_int (s->rs);
194 tree->inst_c0 = state->left->tree->inst_c0;
195 mono_bblock_add_inst (s->cbb, tree);
197 mono_call_inst_add_outarg_reg (call, tree->dreg, tree->unused, FALSE);
200 stmt: OP_OUTARG (CEE_LDIND_REF (OP_REGVAR)) {
201 MonoCallInst *call = (MonoCallInst*)tree->inst_right;
202 tree->opcode = OP_SETREG;
203 tree->sreg1 = state->left->left->tree->dreg;
204 tree->dreg = mono_regstate_next_int (s->rs);
205 mono_bblock_add_inst (s->cbb, tree);
207 mono_call_inst_add_outarg_reg (call, tree->dreg, tree->unused, FALSE);
210 stmt: OP_OUTARG (freg) {
211 tree->opcode = OP_SETFREG;
212 tree->sreg1 = state->left->reg1;
213 tree->dreg = tree->unused & 0xff;
214 mono_bblock_add_inst (s->cbb, tree);
217 stmt: OP_OUTARG_R4 (freg) {
218 tree->opcode = OP_SETFREG;
219 tree->sreg1 = state->left->reg1;
220 tree->dreg = tree->unused;
221 mono_bblock_add_inst (s->cbb, tree);
224 stmt: OP_OUTARG_R8 (freg) {
225 tree->opcode = OP_SETFREG;
226 tree->sreg1 = state->left->reg1;
227 tree->dreg = tree->unused;
228 mono_bblock_add_inst (s->cbb, tree);
231 stmt: OP_OUTARG_VT (CEE_LDOBJ (base)) {
232 MonoInst *vt = state->left->left->tree;
233 int start_reg = tree->unused & 0xff;
234 int nregs = (tree->unused >> 8) & 0xff;
235 int ovf_size = (tree->unused >> 16) & 0xffff;
236 int i, tmpr, soffset;
238 soffset = vt->inst_offset;
240 Darwin needs some special handling for 1 and 2 byte arguments
243 if (vt->inst_vtype && MONO_TYPE_ISSTRUCT (vt->inst_vtype) && vt->inst_vtype->type != MONO_TYPE_TYPEDBYREF)
244 size = mono_class_native_size (mono_class_from_mono_type (vt->inst_vtype), NULL);
245 if (size == 2 || size == 1) {
246 tmpr = mono_regstate_next_int (s->rs);
248 MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI1_MEMBASE, tmpr, vt->inst_basereg, soffset);
250 MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI2_MEMBASE, tmpr, vt->inst_basereg, soffset);
251 MONO_EMIT_NEW_UNALU (s, OP_SETREG, start_reg, tmpr);
254 for (i = 0; i < nregs; ++i) {
255 tmpr = mono_regstate_next_int (s->rs);
256 MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, vt->inst_basereg, soffset);
257 MONO_EMIT_NEW_UNALU (s, OP_SETREG, start_reg + i, tmpr);
258 soffset += sizeof (gpointer);
260 //g_print ("vt size: %d at R%d + %d\n", tree->inst_imm, vt->inst_basereg, vt->inst_offset);
262 mini_emit_memcpy (s, ARMREG_SP, tree->inst_imm + (soffset - vt->inst_offset), vt->inst_basereg, soffset, ovf_size * sizeof (gpointer), 0);
266 stmt: OP_OUTARG_VT (OP_ICONST) {
267 int start_reg = tree->unused & 0xff;
268 int nregs = (tree->unused >> 8) & 0xff;
270 tree->opcode = OP_SETREGIMM;
271 tree->dreg = start_reg;
272 tree->inst_c0 = state->left->tree->inst_c0;
273 mono_bblock_add_inst (s->cbb, tree);
275 g_assert_not_reached ();
279 stmt: OP_OUTARG_VT (reg) {
280 int start_reg = tree->unused & 0xff;
281 int nregs = (tree->unused >> 8) & 0xff;
283 tree->opcode = OP_SETREG;
284 tree->dreg = start_reg;
285 tree->sreg1 = state->left->reg1;
286 mono_bblock_add_inst (s->cbb, tree);
288 g_assert_not_reached ();
292 stmt: CEE_STIND_R8 (OP_REGVAR, freg) {
293 /* nothing to do: the value is already on the FP stack */
296 stmt: CEE_BNE_UN (fpcflags) {
297 tree->opcode = OP_FBNE_UN;
298 mono_bblock_add_inst (s->cbb, tree);
301 stmt: CEE_BEQ (fpcflags) {
302 tree->opcode = OP_FBEQ;
303 mono_bblock_add_inst (s->cbb, tree);
306 stmt: CEE_BLT (fpcflags) {
307 tree->opcode = OP_FBLT;
308 mono_bblock_add_inst (s->cbb, tree);
311 stmt: CEE_BLT_UN (fpcflags) {
312 tree->opcode = OP_FBLT_UN;
313 mono_bblock_add_inst (s->cbb, tree);
316 stmt: CEE_BGT (fpcflags) {
317 tree->opcode = OP_FBGT;
318 mono_bblock_add_inst (s->cbb, tree);
321 stmt: CEE_BGT_UN (fpcflags) {
322 tree->opcode = OP_FBGT_UN;
323 mono_bblock_add_inst (s->cbb, tree);
326 stmt: CEE_BGE (fpcflags) {
327 tree->opcode = OP_FBGE;
328 mono_bblock_add_inst (s->cbb, tree);
331 stmt: CEE_BGE_UN (fpcflags) {
332 tree->opcode = OP_FBGE_UN;
333 mono_bblock_add_inst (s->cbb, tree);
336 stmt: CEE_BLE (fpcflags) {
337 tree->opcode = OP_FBLE;
338 mono_bblock_add_inst (s->cbb, tree);
341 stmt: CEE_BLE_UN (fpcflags) {
342 tree->opcode = OP_FBLE_UN;
343 mono_bblock_add_inst (s->cbb, tree);
346 stmt: CEE_POP (freg) "0" {
350 freg: OP_LCONV_TO_R8 (lreg) {
351 /* nothing to do - emulated */
354 freg: OP_LCONV_TO_R4 (lreg) {
355 /* nothing to do - emulated */
358 freg: OP_LCONV_TO_R_UN (lreg) {
359 /* nothing to do - emulated */
362 freg: OP_FREM (freg, freg) {
363 /* nothing to do - emulated */
366 reg: OP_CEQ (OP_COMPARE (freg, freg)) {
367 MONO_EMIT_BIALU (s, tree, OP_FCEQ, state->reg1, state->left->left->reg1,
368 state->left->right->reg1);
371 reg: OP_CLT (OP_COMPARE (freg, freg)) {
372 MONO_EMIT_BIALU (s, tree, OP_FCLT, state->reg1, state->left->left->reg1,
373 state->left->right->reg1);
376 reg: OP_CLT_UN (OP_COMPARE (freg, freg)) {
377 MONO_EMIT_BIALU (s, tree, OP_FCLT_UN, state->reg1, state->left->left->reg1,
378 state->left->right->reg1);
381 reg: OP_CGT (OP_COMPARE (freg, freg)) {
382 MONO_EMIT_BIALU (s, tree, OP_FCGT, state->reg1, state->left->left->reg1,
383 state->left->right->reg1);
386 reg: OP_CGT_UN (OP_COMPARE (freg, freg)) {
387 MONO_EMIT_BIALU (s, tree, OP_FCGT_UN, state->reg1, state->left->left->reg1,
388 state->left->right->reg1);
391 reg: CEE_ADD_OVF (reg, reg) "0" {
392 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
395 reg: CEE_ADD_OVF_UN (reg, reg) "0" {
396 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
399 reg: CEE_SUB_OVF (reg, reg) "0" {
400 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
403 reg: CEE_SUB_OVF_UN (reg, reg) "0" {
404 MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
407 stmt: CEE_SWITCH (reg) {
409 int n = GPOINTER_TO_INT (tree->klass);
411 MONO_NEW_LABEL (s, label);
413 MONO_EMIT_NEW_BIALU_IMM (s, OP_COMPARE_IMM, -1, state->left->reg1, n);
414 MONO_EMIT_NEW_BRANCH_BLOCK (s, CEE_BGE_UN, tree->inst_many_bb [n]);
415 mono_bblock_add_inst (s->cbb, label);
416 mono_create_jump_table (s, label, tree->inst_many_bb, n);
417 /* the backend code will deal with aot vs normal case */
418 tree->sreg1 = state->left->reg1;
419 mono_bblock_add_inst (s->cbb, tree);