3 * intrinsics for variable sized int/floats
6 * Rodrigo Kumpera (kumpera@gmail.com)
9 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
28 short small_stack_type;
40 #if SIZEOF_VOID_P == 8
41 #define OP_PT_ADD OP_LADD
42 #define OP_PT_SUB OP_LSUB
43 #define OP_PT_MUL OP_LMUL
44 #define OP_PT_DIV OP_LDIV
45 #define OP_PT_REM OP_LREM
46 #define OP_PT_NEG OP_LNEG
47 #define OP_PT_AND OP_LAND
48 #define OP_PT_OR OP_LOR
49 #define OP_PT_XOR OP_LXOR
50 #define OP_PT_NOT OP_LNOT
51 #define OP_PT_SHL OP_LSHL
52 #define OP_PT_SHR OP_LSHR
54 #define OP_PT_DIV_UN OP_LDIV_UN
55 #define OP_PT_REM_UN OP_LREM_UN
56 #define OP_PT_SHR_UN OP_LSHR_UN
58 #define OP_PT_ADD_IMM OP_LADD_IMM
59 #define OP_PT_SUB_IMM OP_LSUB_IMM
61 #define OP_PT_STORE_FP_MEMBASE_REG OP_STORER8_MEMBASE_REG
63 #define OP_PCOMPARE OP_LCOMPARE
66 #define OP_PT_ADD OP_IADD
67 #define OP_PT_SUB OP_ISUB
68 #define OP_PT_MUL OP_IMUL
69 #define OP_PT_DIV OP_IDIV
70 #define OP_PT_REM OP_IREM
71 #define OP_PT_NEG OP_INEG
72 #define OP_PT_AND OP_IAND
73 #define OP_PT_OR OP_IOR
74 #define OP_PT_XOR OP_IXOR
75 #define OP_PT_NOT OP_INOT
76 #define OP_PT_SHL OP_ISHL
77 #define OP_PT_SHR OP_ISHR
79 #define OP_PT_DIV_UN OP_IDIV_UN
80 #define OP_PT_REM_UN OP_IREM_UN
81 #define OP_PT_SHR_UN OP_ISHR_UN
83 #define OP_PT_ADD_IMM OP_IADD_IMM
84 #define OP_PT_SUB_IMM OP_ISUB_IMM
86 #define OP_PT_STORE_FP_MEMBASE_REG OP_STORER4_MEMBASE_REG
88 #define OP_PCOMPARE OP_ICOMPARE
92 static const IntIntrisic int_binop[] = {
93 { "op_Addition", { OP_PT_ADD, OP_PT_ADD, OP_FADD, OP_RADD } },
94 { "op_Subtraction", { OP_PT_SUB, OP_PT_SUB, OP_FSUB, OP_RSUB } },
95 { "op_Multiply", { OP_PT_MUL, OP_PT_MUL, OP_FMUL, OP_RMUL } },
96 { "op_Division", { OP_PT_DIV, OP_PT_DIV_UN, OP_FDIV, OP_RDIV } },
97 { "op_Modulus", { OP_PT_REM, OP_PT_REM_UN, OP_FREM, OP_RREM } },
98 { "op_BitwiseAnd", { OP_PT_AND, OP_PT_AND } },
99 { "op_BitwiseOr", { OP_PT_OR, OP_PT_OR } },
100 { "op_ExclusiveOr", { OP_PT_XOR, OP_PT_XOR } },
101 { "op_LeftShift", { OP_PT_SHL, OP_PT_SHL } },
102 { "op_RightShift", { OP_PT_SHR, OP_PT_SHR_UN } },
105 static const IntIntrisic int_unnop[] = {
106 { "op_UnaryPlus", { OP_MOVE, OP_MOVE, OP_FMOVE, OP_RMOVE } },
107 { "op_UnaryNegation", { OP_PT_NEG, OP_PT_NEG, OP_FNEG, OP_RNEG } },
108 { "op_OnesComplement", { OP_PT_NOT, OP_PT_NOT, OP_FNOT, OP_RNOT } },
111 static const IntIntrisic int_cmpop[] = {
112 { "op_Inequality", { OP_ICNEQ, OP_ICNEQ, OP_FCNEQ, OP_RCNEQ } },
113 { "op_Equality", { OP_ICEQ, OP_ICEQ, OP_FCEQ, OP_RCEQ } },
114 { "op_GreaterThan", { OP_ICGT, OP_ICGT_UN, OP_FCGT, OP_RCGT } },
115 { "op_GreaterThanOrEqual", { OP_ICGE, OP_ICGE_UN, OP_FCGE, OP_RCGE } },
116 { "op_LessThan", { OP_ICLT, OP_ICLT_UN, OP_FCLT, OP_RCLT } },
117 { "op_LessThanOrEqual", { OP_ICLE, OP_ICLE_UN, OP_FCLE, OP_RCLE } },
120 static const MagicTypeInfo type_info[] = {
122 { 0, STACK_I8, STACK_I4, STACK_PTR, OP_ICONV_TO_I8, OP_LCONV_TO_I4, OP_MOVE, OP_PT_ADD_IMM, OP_PT_SUB_IMM, OP_STORE_MEMBASE_REG, OP_PCOMPARE },
124 { 1, STACK_I8, STACK_I4, STACK_PTR, OP_ICONV_TO_U8, OP_LCONV_TO_U4, OP_MOVE, OP_PT_ADD_IMM, OP_PT_SUB_IMM, OP_STORE_MEMBASE_REG, OP_PCOMPARE },
126 { 2, STACK_R8, STACK_R8, STACK_R8, OP_FCONV_TO_R8, OP_FCONV_TO_R4, OP_FMOVE, 0, 0, OP_PT_STORE_FP_MEMBASE_REG, 0 },
129 static inline gboolean mono_class_is_magic_int (MonoClass *klass);
130 static inline gboolean mono_class_is_magic_float (MonoClass *klass);
133 static inline gboolean
134 type_size (MonoCompile *cfg, MonoType *type)
136 if (type->type == MONO_TYPE_I4 || type->type == MONO_TYPE_U4)
138 else if (type->type == MONO_TYPE_I8 || type->type == MONO_TYPE_U8)
140 else if (type->type == MONO_TYPE_R4 && !type->byref && cfg->r4fp)
142 else if (type->type == MONO_TYPE_R8 && !type->byref)
144 return SIZEOF_VOID_P;
149 static gboolean is_int_type (MonoType *t);
150 static gboolean is_float_type (MonoType *t);
153 emit_narrow (MonoCompile *cfg, const MagicTypeInfo *info, int sreg)
157 MONO_INST_NEW (cfg, ins, info->conv_8_to_4);
159 if (info->conv_8_to_4 == OP_FCONV_TO_R4)
160 ins->type = cfg->r4_stack_type;
162 ins->type = info->small_stack_type;
163 ins->dreg = alloc_dreg (cfg, ins->type);
164 MONO_ADD_INS (cfg->cbb, ins);
165 return mono_decompose_opcode (cfg, ins);
169 emit_widen (MonoCompile *cfg, const MagicTypeInfo *info, int sreg)
173 if (cfg->r4fp && info->conv_4_to_8 == OP_FCONV_TO_R8)
174 MONO_INST_NEW (cfg, ins, OP_RCONV_TO_R8);
176 MONO_INST_NEW (cfg, ins, info->conv_4_to_8);
178 ins->type = info->big_stack_type;
179 ins->dreg = alloc_dreg (cfg, info->big_stack_type);
180 MONO_ADD_INS (cfg->cbb, ins);
181 return mono_decompose_opcode (cfg, ins);
185 emit_intrinsics (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSignature *fsig, MonoInst **args, const MagicTypeInfo *info)
188 const char *name = cmethod->name;
190 int type_index, stack_type;
192 if (info->op_index == 2 && cfg->r4fp && SIZEOF_VOID_P == 4) {
194 stack_type = STACK_R4;
196 type_index = info->op_index;
197 stack_type = info->stack_type;
200 if (!strcmp ("op_Implicit", name) || !strcmp ("op_Explicit", name)) {
201 int source_size = type_size (cfg, fsig->params [0]);
202 int dest_size = type_size (cfg, fsig->ret);
204 switch (info->big_stack_type) {
206 if (!is_int_type (fsig->params [0]) || !is_int_type (fsig->ret))
210 if (!is_float_type (fsig->params [0]) || !is_float_type (fsig->ret))
214 g_assert_not_reached ();
218 if (source_size == dest_size)
222 if (source_size < dest_size)
223 return emit_widen (cfg, info, args [0]->dreg);
226 return emit_narrow (cfg, info, args [0]->dreg);
229 if (!strcmp (".ctor", name)) {
230 gboolean is_ldaddr = args [0]->opcode == OP_LDADDR;
231 int arg0 = args [1]->dreg;
232 int arg_size = type_size (cfg, fsig->params [0]);
234 if (arg_size > SIZEOF_VOID_P) //8 -> 4
235 arg0 = emit_narrow (cfg, info, arg0)->dreg;
236 else if (arg_size < SIZEOF_VOID_P) //4 -> 8
237 arg0 = emit_widen (cfg, info, arg0)->dreg;
239 if (is_ldaddr) { /*Eliminate LDADDR if it's initing a local var*/
240 int dreg = ((MonoInst*)args [0]->inst_p0)->dreg;
241 NULLIFY_INS (args [0]);
242 EMIT_NEW_UNALU (cfg, ins, info->move, dreg, arg0);
243 cfg->has_indirection = TRUE;
245 EMIT_NEW_STORE_MEMBASE (cfg, ins, info->store_op, args [0]->dreg, 0, arg0);
250 if (!strcmp ("op_Increment", name) || !strcmp ("op_Decrement", name)) {
251 gboolean inc = !strcmp ("op_Increment", name);
252 /* FIXME float inc is too complex to bother with*/
253 //this is broken with ints too
254 // if (!info->inc_op)
257 /* We have IR for inc/dec */
258 MONO_INST_NEW (cfg, ins, inc ? info->inc_op : info->dec_op);
259 ins->dreg = alloc_dreg (cfg, info->stack_type);
260 ins->sreg1 = args [0]->dreg;
262 ins->type = info->stack_type;
263 MONO_ADD_INS (cfg->cbb, ins);
267 for (i = 0; i < sizeof (int_binop) / sizeof (IntIntrisic); ++i) {
268 if (!strcmp (int_binop [i].op_name, name)) {
269 if (!int_binop [i].op_table [info->op_index])
271 g_assert (int_binop [i].op_table [type_index]);
273 MONO_INST_NEW (cfg, ins, int_binop [i].op_table [type_index]);
274 ins->dreg = alloc_dreg (cfg, stack_type);
275 ins->sreg1 = args [0]->dreg;
276 ins->sreg2 = args [1]->dreg;
277 ins->type = stack_type;
278 MONO_ADD_INS (cfg->cbb, ins);
279 return mono_decompose_opcode (cfg, ins);
283 for (i = 0; i < sizeof (int_unnop) / sizeof (IntIntrisic); ++i) {
284 if (!strcmp (int_unnop [i].op_name, name)) {
285 g_assert (int_unnop [i].op_table [type_index]);
287 MONO_INST_NEW (cfg, ins, int_unnop [i].op_table [type_index]);
288 ins->dreg = alloc_dreg (cfg, stack_type);
289 ins->sreg1 = args [0]->dreg;
290 ins->type = stack_type;
291 MONO_ADD_INS (cfg->cbb, ins);
296 for (i = 0; i < sizeof (int_cmpop) / sizeof (IntIntrisic); ++i) {
297 if (!strcmp (int_cmpop [i].op_name, name)) {
298 g_assert (int_cmpop [i].op_table [type_index]);
300 if (info->compare_op) {
301 MONO_INST_NEW (cfg, ins, info->compare_op);
303 ins->sreg1 = args [0]->dreg;
304 ins->sreg2 = args [1]->dreg;
305 MONO_ADD_INS (cfg->cbb, ins);
307 MONO_INST_NEW (cfg, ins, int_cmpop [i].op_table [type_index]);
308 ins->dreg = alloc_preg (cfg);
309 ins->type = STACK_I4;
310 MONO_ADD_INS (cfg->cbb, ins);
312 MONO_INST_NEW (cfg, ins, int_cmpop [i].op_table [type_index]);
313 ins->dreg = alloc_ireg (cfg);
314 ins->sreg1 = args [0]->dreg;
315 ins->sreg2 = args [1]->dreg;
316 MONO_ADD_INS (cfg->cbb, ins);
328 mono_emit_native_types_intrinsics (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSignature *fsig, MonoInst **args)
330 if (mono_class_is_magic_int (cmethod->klass)) {
331 const char *class_name = cmethod->klass->name;
332 if (!strcmp ("nint", class_name))
333 return emit_intrinsics (cfg, cmethod, fsig, args, &type_info [0]);
335 return emit_intrinsics (cfg, cmethod, fsig, args, &type_info [1]);
336 } else if (mono_class_is_magic_float (cmethod->klass))
337 return emit_intrinsics (cfg, cmethod, fsig, args, &type_info [2]);
342 #endif /* !DISABLE_JIT */
344 static inline gboolean
345 mono_class_is_magic_assembly (MonoClass *klass)
347 if (!klass->image->assembly_name)
349 if (!strcmp ("Xamarin.iOS", klass->image->assembly_name))
351 if (!strcmp ("Xamarin.Mac", klass->image->assembly_name))
353 if (!strcmp ("Xamarin.WatchOS", klass->image->assembly_name))
355 /* regression test suite */
356 if (!strcmp ("builtin-types", klass->image->assembly_name))
361 static inline gboolean
362 mono_class_is_magic_int (MonoClass *klass)
364 static MonoClass *magic_nint_class;
365 static MonoClass *magic_nuint_class;
367 if (klass == magic_nint_class)
370 if (klass == magic_nuint_class)
373 if (magic_nint_class && magic_nuint_class)
376 if (!mono_class_is_magic_assembly (klass))
379 if (strcmp ("System", klass->name_space) != 0)
382 if (strcmp ("nint", klass->name) == 0) {
383 magic_nint_class = klass;
387 if (strcmp ("nuint", klass->name) == 0){
388 magic_nuint_class = klass;
394 static inline gboolean
395 mono_class_is_magic_float (MonoClass *klass)
397 static MonoClass *magic_nfloat_class;
399 if (klass == magic_nfloat_class)
402 if (magic_nfloat_class)
405 if (!mono_class_is_magic_assembly (klass))
408 if (strcmp ("System", klass->name_space) != 0)
411 if (strcmp ("nfloat", klass->name) == 0) {
412 magic_nfloat_class = klass;
414 /* Assert that we are using the matching assembly */
415 MonoClassField *value_field = mono_class_get_field_from_name (klass, "v");
416 g_assert (value_field);
417 MonoType *t = mono_field_get_type (value_field);
418 MonoType *native = mini_native_type_replace_type (&klass->byval_arg);
419 if (t->type != native->type)
420 g_error ("Assembly used for native types '%s' doesn't match this runtime, %s is mapped to %s, expecting %s.\n", klass->image->name, klass->name, mono_type_full_name (t), mono_type_full_name (native));
427 is_int_type (MonoType *t)
429 if (t->type != MONO_TYPE_I4 && t->type != MONO_TYPE_I8 && t->type != MONO_TYPE_U4 && t->type != MONO_TYPE_U8 && !mono_class_is_magic_int (mono_class_from_mono_type (t)))
435 is_float_type (MonoType *t)
437 if (t->type != MONO_TYPE_R4 && t->type != MONO_TYPE_R8 && !mono_class_is_magic_float (mono_class_from_mono_type (t)))
443 mini_native_type_replace_type (MonoType *type)
447 if (type->type != MONO_TYPE_VALUETYPE)
449 klass = type->data.klass;
451 if (mono_class_is_magic_int (klass))
452 return type->byref ? &mono_defaults.int_class->this_arg : &mono_defaults.int_class->byval_arg;
453 if (mono_class_is_magic_float (klass))
454 #if SIZEOF_VOID_P == 8
455 return type->byref ? &mono_defaults.double_class->this_arg : &mono_defaults.double_class->byval_arg;
457 return type->byref ? &mono_defaults.single_class->this_arg : &mono_defaults.single_class->byval_arg;