1 /*
2 * Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_C1_C1_LIR_HPP
26 #define SHARE_C1_C1_LIR_HPP
27
28 #include "c1/c1_Defs.hpp"
29 #include "c1/c1_ValueType.hpp"
30 #include "oops/method.hpp"
31 #include "utilities/globalDefinitions.hpp"
32
33 class BlockBegin;
34 class BlockList;
35 class LIR_Assembler;
36 class CodeEmitInfo;
37 class CodeStub;
38 class CodeStubList;
39 class ArrayCopyStub;
40 class LIR_Op;
41 class ciType;
42 class ValueType;
43 class LIR_OpVisitState;
44 class FpuStackSim;
45
46 //---------------------------------------------------------------------
47 // LIR Operands
48 // LIR_OprDesc
49 // LIR_OprPtr
50 // LIR_Const
51 // LIR_Address
52 //---------------------------------------------------------------------
53 class LIR_OprDesc;
54 class LIR_OprPtr;
55 class LIR_Const;
56 class LIR_Address;
57 class LIR_OprVisitor;
58
59
60 typedef LIR_OprDesc* LIR_Opr;
61 typedef int RegNr;
62
63 typedef GrowableArray<LIR_Opr> LIR_OprList;
64 typedef GrowableArray<LIR_Op*> LIR_OpArray;
65 typedef GrowableArray<LIR_Op*> LIR_OpList;
66
67 // define LIR_OprPtr early so LIR_OprDesc can refer to it
68 class LIR_OprPtr: public CompilationResourceObj {
69 public:
is_oop_pointer() const70 bool is_oop_pointer() const { return (type() == T_OBJECT); }
is_float_kind() const71 bool is_float_kind() const { BasicType t = type(); return (t == T_FLOAT) || (t == T_DOUBLE); }
72
as_constant()73 virtual LIR_Const* as_constant() { return NULL; }
as_address()74 virtual LIR_Address* as_address() { return NULL; }
75 virtual BasicType type() const = 0;
76 virtual void print_value_on(outputStream* out) const = 0;
77 };
78
79
80
81 // LIR constants
82 class LIR_Const: public LIR_OprPtr {
83 private:
84 JavaValue _value;
85
type_check(BasicType t) const86 void type_check(BasicType t) const { assert(type() == t, "type check"); }
type_check(BasicType t1,BasicType t2) const87 void type_check(BasicType t1, BasicType t2) const { assert(type() == t1 || type() == t2, "type check"); }
type_check(BasicType t1,BasicType t2,BasicType t3) const88 void type_check(BasicType t1, BasicType t2, BasicType t3) const { assert(type() == t1 || type() == t2 || type() == t3, "type check"); }
89
90 public:
LIR_Const(jint i,bool is_address=false)91 LIR_Const(jint i, bool is_address=false) { _value.set_type(is_address?T_ADDRESS:T_INT); _value.set_jint(i); }
LIR_Const(jlong l)92 LIR_Const(jlong l) { _value.set_type(T_LONG); _value.set_jlong(l); }
LIR_Const(jfloat f)93 LIR_Const(jfloat f) { _value.set_type(T_FLOAT); _value.set_jfloat(f); }
LIR_Const(jdouble d)94 LIR_Const(jdouble d) { _value.set_type(T_DOUBLE); _value.set_jdouble(d); }
LIR_Const(jobject o)95 LIR_Const(jobject o) { _value.set_type(T_OBJECT); _value.set_jobject(o); }
LIR_Const(void * p)96 LIR_Const(void* p) {
97 #ifdef _LP64
98 assert(sizeof(jlong) >= sizeof(p), "too small");;
99 _value.set_type(T_LONG); _value.set_jlong((jlong)p);
100 #else
101 assert(sizeof(jint) >= sizeof(p), "too small");;
102 _value.set_type(T_INT); _value.set_jint((jint)p);
103 #endif
104 }
LIR_Const(Metadata * m)105 LIR_Const(Metadata* m) {
106 _value.set_type(T_METADATA);
107 #ifdef _LP64
108 _value.set_jlong((jlong)m);
109 #else
110 _value.set_jint((jint)m);
111 #endif // _LP64
112 }
113
type() const114 virtual BasicType type() const { return _value.get_type(); }
as_constant()115 virtual LIR_Const* as_constant() { return this; }
116
as_jint() const117 jint as_jint() const { type_check(T_INT, T_ADDRESS); return _value.get_jint(); }
as_jlong() const118 jlong as_jlong() const { type_check(T_LONG ); return _value.get_jlong(); }
as_jfloat() const119 jfloat as_jfloat() const { type_check(T_FLOAT ); return _value.get_jfloat(); }
as_jdouble() const120 jdouble as_jdouble() const { type_check(T_DOUBLE); return _value.get_jdouble(); }
as_jobject() const121 jobject as_jobject() const { type_check(T_OBJECT); return _value.get_jobject(); }
as_jint_lo() const122 jint as_jint_lo() const { type_check(T_LONG ); return low(_value.get_jlong()); }
as_jint_hi() const123 jint as_jint_hi() const { type_check(T_LONG ); return high(_value.get_jlong()); }
124
125 #ifdef _LP64
as_pointer() const126 address as_pointer() const { type_check(T_LONG ); return (address)_value.get_jlong(); }
as_metadata() const127 Metadata* as_metadata() const { type_check(T_METADATA); return (Metadata*)_value.get_jlong(); }
128 #else
as_pointer() const129 address as_pointer() const { type_check(T_INT ); return (address)_value.get_jint(); }
as_metadata() const130 Metadata* as_metadata() const { type_check(T_METADATA); return (Metadata*)_value.get_jint(); }
131 #endif
132
133
as_jint_bits() const134 jint as_jint_bits() const { type_check(T_FLOAT, T_INT, T_ADDRESS); return _value.get_jint(); }
as_jint_lo_bits() const135 jint as_jint_lo_bits() const {
136 if (type() == T_DOUBLE) {
137 return low(jlong_cast(_value.get_jdouble()));
138 } else {
139 return as_jint_lo();
140 }
141 }
as_jint_hi_bits() const142 jint as_jint_hi_bits() const {
143 if (type() == T_DOUBLE) {
144 return high(jlong_cast(_value.get_jdouble()));
145 } else {
146 return as_jint_hi();
147 }
148 }
as_jlong_bits() const149 jlong as_jlong_bits() const {
150 if (type() == T_DOUBLE) {
151 return jlong_cast(_value.get_jdouble());
152 } else {
153 return as_jlong();
154 }
155 }
156
157 virtual void print_value_on(outputStream* out) const PRODUCT_RETURN;
158
159
is_zero_float()160 bool is_zero_float() {
161 jfloat f = as_jfloat();
162 jfloat ok = 0.0f;
163 return jint_cast(f) == jint_cast(ok);
164 }
165
is_one_float()166 bool is_one_float() {
167 jfloat f = as_jfloat();
168 return !g_isnan(f) && g_isfinite(f) && f == 1.0;
169 }
170
is_zero_double()171 bool is_zero_double() {
172 jdouble d = as_jdouble();
173 jdouble ok = 0.0;
174 return jlong_cast(d) == jlong_cast(ok);
175 }
176
is_one_double()177 bool is_one_double() {
178 jdouble d = as_jdouble();
179 return !g_isnan(d) && g_isfinite(d) && d == 1.0;
180 }
181 };
182
183
184 //---------------------LIR Operand descriptor------------------------------------
185 //
186 // The class LIR_OprDesc represents a LIR instruction operand;
187 // it can be a register (ALU/FPU), stack location or a constant;
188 // Constants and addresses are represented as resource area allocated
189 // structures (see above).
190 // Registers and stack locations are inlined into the this pointer
191 // (see value function).
192
193 class LIR_OprDesc: public CompilationResourceObj {
194 public:
195 // value structure:
196 // data opr-type opr-kind
197 // +--------------+-------+-------+
198 // [max...........|7 6 5 4|3 2 1 0]
199 // ^
200 // is_pointer bit
201 //
202 // lowest bit cleared, means it is a structure pointer
203 // we need 4 bits to represent types
204
205 private:
206 friend class LIR_OprFact;
207
208 // Conversion
value() const209 intptr_t value() const { return (intptr_t) this; }
210
check_value_mask(intptr_t mask,intptr_t masked_value) const211 bool check_value_mask(intptr_t mask, intptr_t masked_value) const {
212 return (value() & mask) == masked_value;
213 }
214
215 enum OprKind {
216 pointer_value = 0
217 , stack_value = 1
218 , cpu_register = 3
219 , fpu_register = 5
220 , illegal_value = 7
221 };
222
223 enum OprBits {
224 pointer_bits = 1
225 , kind_bits = 3
226 , type_bits = 4
227 , size_bits = 2
228 , destroys_bits = 1
229 , virtual_bits = 1
230 , is_xmm_bits = 1
231 , last_use_bits = 1
232 , is_fpu_stack_offset_bits = 1 // used in assertion checking on x86 for FPU stack slot allocation
233 , non_data_bits = kind_bits + type_bits + size_bits + destroys_bits + last_use_bits +
234 is_fpu_stack_offset_bits + virtual_bits + is_xmm_bits
235 , data_bits = BitsPerInt - non_data_bits
236 , reg_bits = data_bits / 2 // for two registers in one value encoding
237 };
238
239 enum OprShift {
240 kind_shift = 0
241 , type_shift = kind_shift + kind_bits
242 , size_shift = type_shift + type_bits
243 , destroys_shift = size_shift + size_bits
244 , last_use_shift = destroys_shift + destroys_bits
245 , is_fpu_stack_offset_shift = last_use_shift + last_use_bits
246 , virtual_shift = is_fpu_stack_offset_shift + is_fpu_stack_offset_bits
247 , is_xmm_shift = virtual_shift + virtual_bits
248 , data_shift = is_xmm_shift + is_xmm_bits
249 , reg1_shift = data_shift
250 , reg2_shift = data_shift + reg_bits
251
252 };
253
254 enum OprSize {
255 single_size = 0 << size_shift
256 , double_size = 1 << size_shift
257 };
258
259 enum OprMask {
260 kind_mask = right_n_bits(kind_bits)
261 , type_mask = right_n_bits(type_bits) << type_shift
262 , size_mask = right_n_bits(size_bits) << size_shift
263 , last_use_mask = right_n_bits(last_use_bits) << last_use_shift
264 , is_fpu_stack_offset_mask = right_n_bits(is_fpu_stack_offset_bits) << is_fpu_stack_offset_shift
265 , virtual_mask = right_n_bits(virtual_bits) << virtual_shift
266 , is_xmm_mask = right_n_bits(is_xmm_bits) << is_xmm_shift
267 , pointer_mask = right_n_bits(pointer_bits)
268 , lower_reg_mask = right_n_bits(reg_bits)
269 , no_type_mask = (int)(~(type_mask | last_use_mask | is_fpu_stack_offset_mask))
270 };
271
data() const272 uintptr_t data() const { return value() >> data_shift; }
lo_reg_half() const273 int lo_reg_half() const { return data() & lower_reg_mask; }
hi_reg_half() const274 int hi_reg_half() const { return (data() >> reg_bits) & lower_reg_mask; }
kind_field() const275 OprKind kind_field() const { return (OprKind)(value() & kind_mask); }
size_field() const276 OprSize size_field() const { return (OprSize)(value() & size_mask); }
277
278 static char type_char(BasicType t);
279
280 public:
281 enum {
282 vreg_base = ConcreteRegisterImpl::number_of_registers,
283 vreg_max = (1 << data_bits) - 1
284 };
285
286 static inline LIR_Opr illegalOpr();
287
288 enum OprType {
289 unknown_type = 0 << type_shift // means: not set (catch uninitialized types)
290 , int_type = 1 << type_shift
291 , long_type = 2 << type_shift
292 , object_type = 3 << type_shift
293 , address_type = 4 << type_shift
294 , float_type = 5 << type_shift
295 , double_type = 6 << type_shift
296 , metadata_type = 7 << type_shift
297 };
298 friend OprType as_OprType(BasicType t);
299 friend BasicType as_BasicType(OprType t);
300
type_field_valid() const301 OprType type_field_valid() const { assert(is_register() || is_stack(), "should not be called otherwise"); return (OprType)(value() & type_mask); }
type_field() const302 OprType type_field() const { return is_illegal() ? unknown_type : (OprType)(value() & type_mask); }
303
size_for(BasicType t)304 static OprSize size_for(BasicType t) {
305 switch (t) {
306 case T_LONG:
307 case T_DOUBLE:
308 return double_size;
309 break;
310
311 case T_FLOAT:
312 case T_BOOLEAN:
313 case T_CHAR:
314 case T_BYTE:
315 case T_SHORT:
316 case T_INT:
317 case T_ADDRESS:
318 case T_OBJECT:
319 case T_ARRAY:
320 case T_METADATA:
321 return single_size;
322 break;
323
324 default:
325 ShouldNotReachHere();
326 return single_size;
327 }
328 }
329
330
331 void validate_type() const PRODUCT_RETURN;
332
type() const333 BasicType type() const {
334 if (is_pointer()) {
335 return pointer()->type();
336 }
337 return as_BasicType(type_field());
338 }
339
340
value_type() const341 ValueType* value_type() const { return as_ValueType(type()); }
342
type_char() const343 char type_char() const { return type_char((is_pointer()) ? pointer()->type() : type()); }
344
is_equal(LIR_Opr opr) const345 bool is_equal(LIR_Opr opr) const { return this == opr; }
346 // checks whether types are same
is_same_type(LIR_Opr opr) const347 bool is_same_type(LIR_Opr opr) const {
348 assert(type_field() != unknown_type &&
349 opr->type_field() != unknown_type, "shouldn't see unknown_type");
350 return type_field() == opr->type_field();
351 }
is_same_register(LIR_Opr opr)352 bool is_same_register(LIR_Opr opr) {
353 return (is_register() && opr->is_register() &&
354 kind_field() == opr->kind_field() &&
355 (value() & no_type_mask) == (opr->value() & no_type_mask));
356 }
357
is_pointer() const358 bool is_pointer() const { return check_value_mask(pointer_mask, pointer_value); }
is_illegal() const359 bool is_illegal() const { return kind_field() == illegal_value; }
is_valid() const360 bool is_valid() const { return kind_field() != illegal_value; }
361
is_register() const362 bool is_register() const { return is_cpu_register() || is_fpu_register(); }
is_virtual() const363 bool is_virtual() const { return is_virtual_cpu() || is_virtual_fpu(); }
364
is_constant() const365 bool is_constant() const { return is_pointer() && pointer()->as_constant() != NULL; }
is_address() const366 bool is_address() const { return is_pointer() && pointer()->as_address() != NULL; }
367
is_float_kind() const368 bool is_float_kind() const { return is_pointer() ? pointer()->is_float_kind() : (kind_field() == fpu_register); }
369 bool is_oop() const;
370
371 // semantic for fpu- and xmm-registers:
372 // * is_float and is_double return true for xmm_registers
373 // (so is_single_fpu and is_single_xmm are true)
374 // * So you must always check for is_???_xmm prior to is_???_fpu to
375 // distinguish between fpu- and xmm-registers
376
is_stack() const377 bool is_stack() const { validate_type(); return check_value_mask(kind_mask, stack_value); }
is_single_stack() const378 bool is_single_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | single_size); }
is_double_stack() const379 bool is_double_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | double_size); }
380
is_cpu_register() const381 bool is_cpu_register() const { validate_type(); return check_value_mask(kind_mask, cpu_register); }
is_virtual_cpu() const382 bool is_virtual_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register | virtual_mask); }
is_fixed_cpu() const383 bool is_fixed_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register); }
is_single_cpu() const384 bool is_single_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | single_size); }
is_double_cpu() const385 bool is_double_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | double_size); }
386
is_fpu_register() const387 bool is_fpu_register() const { validate_type(); return check_value_mask(kind_mask, fpu_register); }
is_virtual_fpu() const388 bool is_virtual_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register | virtual_mask); }
is_fixed_fpu() const389 bool is_fixed_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register); }
is_single_fpu() const390 bool is_single_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | single_size); }
is_double_fpu() const391 bool is_double_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | double_size); }
392
is_xmm_register() const393 bool is_xmm_register() const { validate_type(); return check_value_mask(kind_mask | is_xmm_mask, fpu_register | is_xmm_mask); }
is_single_xmm() const394 bool is_single_xmm() const { validate_type(); return check_value_mask(kind_mask | size_mask | is_xmm_mask, fpu_register | single_size | is_xmm_mask); }
is_double_xmm() const395 bool is_double_xmm() const { validate_type(); return check_value_mask(kind_mask | size_mask | is_xmm_mask, fpu_register | double_size | is_xmm_mask); }
396
397 // fast accessor functions for special bits that do not work for pointers
398 // (in this functions, the check for is_pointer() is omitted)
is_single_word() const399 bool is_single_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, single_size); }
is_double_word() const400 bool is_double_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, double_size); }
is_virtual_register() const401 bool is_virtual_register() const { assert(is_register(), "type check"); return check_value_mask(virtual_mask, virtual_mask); }
is_oop_register() const402 bool is_oop_register() const { assert(is_register() || is_stack(), "type check"); return type_field_valid() == object_type; }
type_register() const403 BasicType type_register() const { assert(is_register() || is_stack(), "type check"); return as_BasicType(type_field_valid()); }
404
is_last_use() const405 bool is_last_use() const { assert(is_register(), "only works for registers"); return (value() & last_use_mask) != 0; }
is_fpu_stack_offset() const406 bool is_fpu_stack_offset() const { assert(is_register(), "only works for registers"); return (value() & is_fpu_stack_offset_mask) != 0; }
make_last_use()407 LIR_Opr make_last_use() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | last_use_mask); }
make_fpu_stack_offset()408 LIR_Opr make_fpu_stack_offset() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | is_fpu_stack_offset_mask); }
409
410
single_stack_ix() const411 int single_stack_ix() const { assert(is_single_stack() && !is_virtual(), "type check"); return (int)data(); }
double_stack_ix() const412 int double_stack_ix() const { assert(is_double_stack() && !is_virtual(), "type check"); return (int)data(); }
cpu_regnr() const413 RegNr cpu_regnr() const { assert(is_single_cpu() && !is_virtual(), "type check"); return (RegNr)data(); }
cpu_regnrLo() const414 RegNr cpu_regnrLo() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); }
cpu_regnrHi() const415 RegNr cpu_regnrHi() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); }
fpu_regnr() const416 RegNr fpu_regnr() const { assert(is_single_fpu() && !is_virtual(), "type check"); return (RegNr)data(); }
fpu_regnrLo() const417 RegNr fpu_regnrLo() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); }
fpu_regnrHi() const418 RegNr fpu_regnrHi() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); }
xmm_regnr() const419 RegNr xmm_regnr() const { assert(is_single_xmm() && !is_virtual(), "type check"); return (RegNr)data(); }
xmm_regnrLo() const420 RegNr xmm_regnrLo() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); }
xmm_regnrHi() const421 RegNr xmm_regnrHi() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); }
vreg_number() const422 int vreg_number() const { assert(is_virtual(), "type check"); return (RegNr)data(); }
423
pointer() const424 LIR_OprPtr* pointer() const { assert(is_pointer(), "type check"); return (LIR_OprPtr*)this; }
as_constant_ptr() const425 LIR_Const* as_constant_ptr() const { return pointer()->as_constant(); }
as_address_ptr() const426 LIR_Address* as_address_ptr() const { return pointer()->as_address(); }
427
428 Register as_register() const;
429 Register as_register_lo() const;
430 Register as_register_hi() const;
431
as_pointer_register()432 Register as_pointer_register() {
433 #ifdef _LP64
434 if (is_double_cpu()) {
435 assert(as_register_lo() == as_register_hi(), "should be a single register");
436 return as_register_lo();
437 }
438 #endif
439 return as_register();
440 }
441
442 FloatRegister as_float_reg () const;
443 FloatRegister as_double_reg () const;
444 #ifdef X86
445 XMMRegister as_xmm_float_reg () const;
446 XMMRegister as_xmm_double_reg() const;
447 // for compatibility with RInfo
fpu() const448 int fpu() const { return lo_reg_half(); }
449 #endif
450
as_jint() const451 jint as_jint() const { return as_constant_ptr()->as_jint(); }
as_jlong() const452 jlong as_jlong() const { return as_constant_ptr()->as_jlong(); }
as_jfloat() const453 jfloat as_jfloat() const { return as_constant_ptr()->as_jfloat(); }
as_jdouble() const454 jdouble as_jdouble() const { return as_constant_ptr()->as_jdouble(); }
as_jobject() const455 jobject as_jobject() const { return as_constant_ptr()->as_jobject(); }
456
457 void print() const PRODUCT_RETURN;
458 void print(outputStream* out) const PRODUCT_RETURN;
459 };
460
461
as_OprType(BasicType type)462 inline LIR_OprDesc::OprType as_OprType(BasicType type) {
463 switch (type) {
464 case T_INT: return LIR_OprDesc::int_type;
465 case T_LONG: return LIR_OprDesc::long_type;
466 case T_FLOAT: return LIR_OprDesc::float_type;
467 case T_DOUBLE: return LIR_OprDesc::double_type;
468 case T_OBJECT:
469 case T_ARRAY: return LIR_OprDesc::object_type;
470 case T_ADDRESS: return LIR_OprDesc::address_type;
471 case T_METADATA: return LIR_OprDesc::metadata_type;
472 case T_ILLEGAL: // fall through
473 default: ShouldNotReachHere(); return LIR_OprDesc::unknown_type;
474 }
475 }
476
as_BasicType(LIR_OprDesc::OprType t)477 inline BasicType as_BasicType(LIR_OprDesc::OprType t) {
478 switch (t) {
479 case LIR_OprDesc::int_type: return T_INT;
480 case LIR_OprDesc::long_type: return T_LONG;
481 case LIR_OprDesc::float_type: return T_FLOAT;
482 case LIR_OprDesc::double_type: return T_DOUBLE;
483 case LIR_OprDesc::object_type: return T_OBJECT;
484 case LIR_OprDesc::address_type: return T_ADDRESS;
485 case LIR_OprDesc::metadata_type:return T_METADATA;
486 case LIR_OprDesc::unknown_type: // fall through
487 default: ShouldNotReachHere(); return T_ILLEGAL;
488 }
489 }
490
491
492 // LIR_Address
493 class LIR_Address: public LIR_OprPtr {
494 friend class LIR_OpVisitState;
495
496 public:
497 // NOTE: currently these must be the log2 of the scale factor (and
498 // must also be equivalent to the ScaleFactor enum in
499 // assembler_i486.hpp)
500 enum Scale {
501 times_1 = 0,
502 times_2 = 1,
503 times_4 = 2,
504 times_8 = 3
505 };
506
507 private:
508 LIR_Opr _base;
509 LIR_Opr _index;
510 Scale _scale;
511 intx _disp;
512 BasicType _type;
513
514 public:
LIR_Address(LIR_Opr base,LIR_Opr index,BasicType type)515 LIR_Address(LIR_Opr base, LIR_Opr index, BasicType type):
516 _base(base)
517 , _index(index)
518 , _scale(times_1)
519 , _disp(0)
520 , _type(type) { verify(); }
521
LIR_Address(LIR_Opr base,intx disp,BasicType type)522 LIR_Address(LIR_Opr base, intx disp, BasicType type):
523 _base(base)
524 , _index(LIR_OprDesc::illegalOpr())
525 , _scale(times_1)
526 , _disp(disp)
527 , _type(type) { verify(); }
528
LIR_Address(LIR_Opr base,BasicType type)529 LIR_Address(LIR_Opr base, BasicType type):
530 _base(base)
531 , _index(LIR_OprDesc::illegalOpr())
532 , _scale(times_1)
533 , _disp(0)
534 , _type(type) { verify(); }
535
LIR_Address(LIR_Opr base,LIR_Opr index,intx disp,BasicType type)536 LIR_Address(LIR_Opr base, LIR_Opr index, intx disp, BasicType type):
537 _base(base)
538 , _index(index)
539 , _scale(times_1)
540 , _disp(disp)
541 , _type(type) { verify(); }
542
LIR_Address(LIR_Opr base,LIR_Opr index,Scale scale,intx disp,BasicType type)543 LIR_Address(LIR_Opr base, LIR_Opr index, Scale scale, intx disp, BasicType type):
544 _base(base)
545 , _index(index)
546 , _scale(scale)
547 , _disp(disp)
548 , _type(type) { verify(); }
549
base() const550 LIR_Opr base() const { return _base; }
index() const551 LIR_Opr index() const { return _index; }
scale() const552 Scale scale() const { return _scale; }
disp() const553 intx disp() const { return _disp; }
554
equals(LIR_Address * other) const555 bool equals(LIR_Address* other) const { return base() == other->base() && index() == other->index() && disp() == other->disp() && scale() == other->scale(); }
556
as_address()557 virtual LIR_Address* as_address() { return this; }
type() const558 virtual BasicType type() const { return _type; }
559 virtual void print_value_on(outputStream* out) const PRODUCT_RETURN;
560
561 void verify() const PRODUCT_RETURN;
562
563 static Scale scale(BasicType type);
564 };
565
566
567 // operand factory
568 class LIR_OprFact: public AllStatic {
569 public:
570
571 static LIR_Opr illegalOpr;
572
single_cpu(int reg)573 static LIR_Opr single_cpu(int reg) {
574 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
575 LIR_OprDesc::int_type |
576 LIR_OprDesc::cpu_register |
577 LIR_OprDesc::single_size);
578 }
single_cpu_oop(int reg)579 static LIR_Opr single_cpu_oop(int reg) {
580 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
581 LIR_OprDesc::object_type |
582 LIR_OprDesc::cpu_register |
583 LIR_OprDesc::single_size);
584 }
single_cpu_address(int reg)585 static LIR_Opr single_cpu_address(int reg) {
586 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
587 LIR_OprDesc::address_type |
588 LIR_OprDesc::cpu_register |
589 LIR_OprDesc::single_size);
590 }
single_cpu_metadata(int reg)591 static LIR_Opr single_cpu_metadata(int reg) {
592 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
593 LIR_OprDesc::metadata_type |
594 LIR_OprDesc::cpu_register |
595 LIR_OprDesc::single_size);
596 }
double_cpu(int reg1,int reg2)597 static LIR_Opr double_cpu(int reg1, int reg2) {
598 LP64_ONLY(assert(reg1 == reg2, "must be identical"));
599 return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) |
600 (reg2 << LIR_OprDesc::reg2_shift) |
601 LIR_OprDesc::long_type |
602 LIR_OprDesc::cpu_register |
603 LIR_OprDesc::double_size);
604 }
605
single_fpu(int reg)606 static LIR_Opr single_fpu(int reg) {
607 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
608 LIR_OprDesc::float_type |
609 LIR_OprDesc::fpu_register |
610 LIR_OprDesc::single_size);
611 }
612
613 // Platform dependant.
614 static LIR_Opr double_fpu(int reg1, int reg2 = -1 /*fnoreg*/);
615
616 #ifdef ARM32
single_softfp(int reg)617 static LIR_Opr single_softfp(int reg) {
618 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
619 LIR_OprDesc::float_type |
620 LIR_OprDesc::cpu_register |
621 LIR_OprDesc::single_size);
622 }
double_softfp(int reg1,int reg2)623 static LIR_Opr double_softfp(int reg1, int reg2) {
624 return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) |
625 (reg2 << LIR_OprDesc::reg2_shift) |
626 LIR_OprDesc::double_type |
627 LIR_OprDesc::cpu_register |
628 LIR_OprDesc::double_size);
629 }
630 #endif // ARM32
631
632 #if defined(X86)
single_xmm(int reg)633 static LIR_Opr single_xmm(int reg) {
634 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
635 LIR_OprDesc::float_type |
636 LIR_OprDesc::fpu_register |
637 LIR_OprDesc::single_size |
638 LIR_OprDesc::is_xmm_mask);
639 }
double_xmm(int reg)640 static LIR_Opr double_xmm(int reg) {
641 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) |
642 (reg << LIR_OprDesc::reg2_shift) |
643 LIR_OprDesc::double_type |
644 LIR_OprDesc::fpu_register |
645 LIR_OprDesc::double_size |
646 LIR_OprDesc::is_xmm_mask);
647 }
648 #endif // X86
649
virtual_register(int index,BasicType type)650 static LIR_Opr virtual_register(int index, BasicType type) {
651 LIR_Opr res;
652 switch (type) {
653 case T_OBJECT: // fall through
654 case T_ARRAY:
655 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
656 LIR_OprDesc::object_type |
657 LIR_OprDesc::cpu_register |
658 LIR_OprDesc::single_size |
659 LIR_OprDesc::virtual_mask);
660 break;
661
662 case T_METADATA:
663 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
664 LIR_OprDesc::metadata_type|
665 LIR_OprDesc::cpu_register |
666 LIR_OprDesc::single_size |
667 LIR_OprDesc::virtual_mask);
668 break;
669
670 case T_INT:
671 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
672 LIR_OprDesc::int_type |
673 LIR_OprDesc::cpu_register |
674 LIR_OprDesc::single_size |
675 LIR_OprDesc::virtual_mask);
676 break;
677
678 case T_ADDRESS:
679 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
680 LIR_OprDesc::address_type |
681 LIR_OprDesc::cpu_register |
682 LIR_OprDesc::single_size |
683 LIR_OprDesc::virtual_mask);
684 break;
685
686 case T_LONG:
687 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
688 LIR_OprDesc::long_type |
689 LIR_OprDesc::cpu_register |
690 LIR_OprDesc::double_size |
691 LIR_OprDesc::virtual_mask);
692 break;
693
694 #ifdef __SOFTFP__
695 case T_FLOAT:
696 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
697 LIR_OprDesc::float_type |
698 LIR_OprDesc::cpu_register |
699 LIR_OprDesc::single_size |
700 LIR_OprDesc::virtual_mask);
701 break;
702 case T_DOUBLE:
703 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
704 LIR_OprDesc::double_type |
705 LIR_OprDesc::cpu_register |
706 LIR_OprDesc::double_size |
707 LIR_OprDesc::virtual_mask);
708 break;
709 #else // __SOFTFP__
710 case T_FLOAT:
711 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
712 LIR_OprDesc::float_type |
713 LIR_OprDesc::fpu_register |
714 LIR_OprDesc::single_size |
715 LIR_OprDesc::virtual_mask);
716 break;
717
718 case
719 T_DOUBLE: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
720 LIR_OprDesc::double_type |
721 LIR_OprDesc::fpu_register |
722 LIR_OprDesc::double_size |
723 LIR_OprDesc::virtual_mask);
724 break;
725 #endif // __SOFTFP__
726 default: ShouldNotReachHere(); res = illegalOpr;
727 }
728
729 #ifdef ASSERT
730 res->validate_type();
731 assert(res->vreg_number() == index, "conversion check");
732 assert(index >= LIR_OprDesc::vreg_base, "must start at vreg_base");
733 assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big");
734
735 // old-style calculation; check if old and new method are equal
736 LIR_OprDesc::OprType t = as_OprType(type);
737 #ifdef __SOFTFP__
738 LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
739 t |
740 LIR_OprDesc::cpu_register |
741 LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask);
742 #else // __SOFTFP__
743 LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | t |
744 ((type == T_FLOAT || type == T_DOUBLE) ? LIR_OprDesc::fpu_register : LIR_OprDesc::cpu_register) |
745 LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask);
746 assert(res == old_res, "old and new method not equal");
747 #endif // __SOFTFP__
748 #endif // ASSERT
749
750 return res;
751 }
752
753 // 'index' is computed by FrameMap::local_stack_pos(index); do not use other parameters as
754 // the index is platform independent; a double stack useing indeces 2 and 3 has always
755 // index 2.
stack(int index,BasicType type)756 static LIR_Opr stack(int index, BasicType type) {
757 LIR_Opr res;
758 switch (type) {
759 case T_OBJECT: // fall through
760 case T_ARRAY:
761 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
762 LIR_OprDesc::object_type |
763 LIR_OprDesc::stack_value |
764 LIR_OprDesc::single_size);
765 break;
766
767 case T_METADATA:
768 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
769 LIR_OprDesc::metadata_type |
770 LIR_OprDesc::stack_value |
771 LIR_OprDesc::single_size);
772 break;
773 case T_INT:
774 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
775 LIR_OprDesc::int_type |
776 LIR_OprDesc::stack_value |
777 LIR_OprDesc::single_size);
778 break;
779
780 case T_ADDRESS:
781 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
782 LIR_OprDesc::address_type |
783 LIR_OprDesc::stack_value |
784 LIR_OprDesc::single_size);
785 break;
786
787 case T_LONG:
788 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
789 LIR_OprDesc::long_type |
790 LIR_OprDesc::stack_value |
791 LIR_OprDesc::double_size);
792 break;
793
794 case T_FLOAT:
795 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
796 LIR_OprDesc::float_type |
797 LIR_OprDesc::stack_value |
798 LIR_OprDesc::single_size);
799 break;
800 case T_DOUBLE:
801 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
802 LIR_OprDesc::double_type |
803 LIR_OprDesc::stack_value |
804 LIR_OprDesc::double_size);
805 break;
806
807 default: ShouldNotReachHere(); res = illegalOpr;
808 }
809
810 #ifdef ASSERT
811 assert(index >= 0, "index must be positive");
812 assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big");
813
814 LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) |
815 LIR_OprDesc::stack_value |
816 as_OprType(type) |
817 LIR_OprDesc::size_for(type));
818 assert(res == old_res, "old and new method not equal");
819 #endif
820
821 return res;
822 }
823
intConst(jint i)824 static LIR_Opr intConst(jint i) { return (LIR_Opr)(new LIR_Const(i)); }
longConst(jlong l)825 static LIR_Opr longConst(jlong l) { return (LIR_Opr)(new LIR_Const(l)); }
floatConst(jfloat f)826 static LIR_Opr floatConst(jfloat f) { return (LIR_Opr)(new LIR_Const(f)); }
doubleConst(jdouble d)827 static LIR_Opr doubleConst(jdouble d) { return (LIR_Opr)(new LIR_Const(d)); }
oopConst(jobject o)828 static LIR_Opr oopConst(jobject o) { return (LIR_Opr)(new LIR_Const(o)); }
address(LIR_Address * a)829 static LIR_Opr address(LIR_Address* a) { return (LIR_Opr)a; }
intptrConst(void * p)830 static LIR_Opr intptrConst(void* p) { return (LIR_Opr)(new LIR_Const(p)); }
intptrConst(intptr_t v)831 static LIR_Opr intptrConst(intptr_t v) { return (LIR_Opr)(new LIR_Const((void*)v)); }
illegal()832 static LIR_Opr illegal() { return (LIR_Opr)-1; }
addressConst(jint i)833 static LIR_Opr addressConst(jint i) { return (LIR_Opr)(new LIR_Const(i, true)); }
metadataConst(Metadata * m)834 static LIR_Opr metadataConst(Metadata* m) { return (LIR_Opr)(new LIR_Const(m)); }
835
836 static LIR_Opr value_type(ValueType* type);
837 };
838
839
840 //-------------------------------------------------------------------------------
841 // LIR Instructions
842 //-------------------------------------------------------------------------------
843 //
844 // Note:
845 // - every instruction has a result operand
846 // - every instruction has an CodeEmitInfo operand (can be revisited later)
847 // - every instruction has a LIR_OpCode operand
848 // - LIR_OpN, means an instruction that has N input operands
849 //
850 // class hierarchy:
851 //
852 class LIR_Op;
853 class LIR_Op0;
854 class LIR_OpLabel;
855 class LIR_Op1;
856 class LIR_OpBranch;
857 class LIR_OpConvert;
858 class LIR_OpAllocObj;
859 class LIR_OpRoundFP;
860 class LIR_Op2;
861 class LIR_OpDelay;
862 class LIR_Op3;
863 class LIR_OpAllocArray;
864 class LIR_OpCall;
865 class LIR_OpJavaCall;
866 class LIR_OpRTCall;
867 class LIR_OpArrayCopy;
868 class LIR_OpUpdateCRC32;
869 class LIR_OpLock;
870 class LIR_OpTypeCheck;
871 class LIR_OpCompareAndSwap;
872 class LIR_OpProfileCall;
873 class LIR_OpProfileType;
874 #ifdef ASSERT
875 class LIR_OpAssert;
876 #endif
877
878 // LIR operation codes
879 enum LIR_Code {
880 lir_none
881 , begin_op0
882 , lir_label
883 , lir_nop
884 , lir_backwardbranch_target
885 , lir_std_entry
886 , lir_osr_entry
887 , lir_fpop_raw
888 , lir_breakpoint
889 , lir_rtcall
890 , lir_membar
891 , lir_membar_acquire
892 , lir_membar_release
893 , lir_membar_loadload
894 , lir_membar_storestore
895 , lir_membar_loadstore
896 , lir_membar_storeload
897 , lir_get_thread
898 , lir_on_spin_wait
899 , end_op0
900 , begin_op1
901 , lir_fxch
902 , lir_fld
903 , lir_push
904 , lir_pop
905 , lir_null_check
906 , lir_return
907 , lir_leal
908 , lir_branch
909 , lir_cond_float_branch
910 , lir_move
911 , lir_convert
912 , lir_alloc_object
913 , lir_monaddr
914 , lir_roundfp
915 , lir_safepoint
916 , lir_unwind
917 , end_op1
918 , begin_op2
919 , lir_cmp
920 , lir_cmp_l2i
921 , lir_ucmp_fd2i
922 , lir_cmp_fd2i
923 , lir_cmove
924 , lir_add
925 , lir_sub
926 , lir_mul
927 , lir_mul_strictfp
928 , lir_div
929 , lir_div_strictfp
930 , lir_rem
931 , lir_sqrt
932 , lir_abs
933 , lir_neg
934 , lir_tan
935 , lir_log10
936 , lir_logic_and
937 , lir_logic_or
938 , lir_logic_xor
939 , lir_shl
940 , lir_shr
941 , lir_ushr
942 , lir_alloc_array
943 , lir_throw
944 , lir_xadd
945 , lir_xchg
946 , end_op2
947 , begin_op3
948 , lir_idiv
949 , lir_irem
950 , lir_fmad
951 , lir_fmaf
952 , end_op3
953 , begin_opJavaCall
954 , lir_static_call
955 , lir_optvirtual_call
956 , lir_icvirtual_call
957 , lir_virtual_call
958 , lir_dynamic_call
959 , end_opJavaCall
960 , begin_opArrayCopy
961 , lir_arraycopy
962 , end_opArrayCopy
963 , begin_opUpdateCRC32
964 , lir_updatecrc32
965 , end_opUpdateCRC32
966 , begin_opLock
967 , lir_lock
968 , lir_unlock
969 , end_opLock
970 , begin_delay_slot
971 , lir_delay_slot
972 , end_delay_slot
973 , begin_opTypeCheck
974 , lir_instanceof
975 , lir_checkcast
976 , lir_store_check
977 , end_opTypeCheck
978 , begin_opCompareAndSwap
979 , lir_cas_long
980 , lir_cas_obj
981 , lir_cas_int
982 , end_opCompareAndSwap
983 , begin_opMDOProfile
984 , lir_profile_call
985 , lir_profile_type
986 , end_opMDOProfile
987 , begin_opAssert
988 , lir_assert
989 , end_opAssert
990 };
991
992
993 enum LIR_Condition {
994 lir_cond_equal
995 , lir_cond_notEqual
996 , lir_cond_less
997 , lir_cond_lessEqual
998 , lir_cond_greaterEqual
999 , lir_cond_greater
1000 , lir_cond_belowEqual
1001 , lir_cond_aboveEqual
1002 , lir_cond_always
1003 , lir_cond_unknown = -1
1004 };
1005
1006
1007 enum LIR_PatchCode {
1008 lir_patch_none,
1009 lir_patch_low,
1010 lir_patch_high,
1011 lir_patch_normal
1012 };
1013
1014
1015 enum LIR_MoveKind {
1016 lir_move_normal,
1017 lir_move_volatile,
1018 lir_move_unaligned,
1019 lir_move_wide,
1020 lir_move_max_flag
1021 };
1022
1023
1024 // --------------------------------------------------
1025 // LIR_Op
1026 // --------------------------------------------------
1027 class LIR_Op: public CompilationResourceObj {
1028 friend class LIR_OpVisitState;
1029
1030 #ifdef ASSERT
1031 private:
1032 const char * _file;
1033 int _line;
1034 #endif
1035
1036 protected:
1037 LIR_Opr _result;
1038 unsigned short _code;
1039 unsigned short _flags;
1040 CodeEmitInfo* _info;
1041 int _id; // value id for register allocation
1042 int _fpu_pop_count;
1043 Instruction* _source; // for debugging
1044
1045 static void print_condition(outputStream* out, LIR_Condition cond) PRODUCT_RETURN;
1046
1047 protected:
is_in_range(LIR_Code test,LIR_Code start,LIR_Code end)1048 static bool is_in_range(LIR_Code test, LIR_Code start, LIR_Code end) { return start < test && test < end; }
1049
1050 public:
LIR_Op()1051 LIR_Op()
1052 :
1053 #ifdef ASSERT
1054 _file(NULL)
1055 , _line(0),
1056 #endif
1057 _result(LIR_OprFact::illegalOpr)
1058 , _code(lir_none)
1059 , _flags(0)
1060 , _info(NULL)
1061 , _id(-1)
1062 , _fpu_pop_count(0)
1063 , _source(NULL) {}
1064
LIR_Op(LIR_Code code,LIR_Opr result,CodeEmitInfo * info)1065 LIR_Op(LIR_Code code, LIR_Opr result, CodeEmitInfo* info)
1066 :
1067 #ifdef ASSERT
1068 _file(NULL)
1069 , _line(0),
1070 #endif
1071 _result(result)
1072 , _code(code)
1073 , _flags(0)
1074 , _info(info)
1075 , _id(-1)
1076 , _fpu_pop_count(0)
1077 , _source(NULL) {}
1078
info() const1079 CodeEmitInfo* info() const { return _info; }
code() const1080 LIR_Code code() const { return (LIR_Code)_code; }
result_opr() const1081 LIR_Opr result_opr() const { return _result; }
set_result_opr(LIR_Opr opr)1082 void set_result_opr(LIR_Opr opr) { _result = opr; }
1083
1084 #ifdef ASSERT
set_file_and_line(const char * file,int line)1085 void set_file_and_line(const char * file, int line) {
1086 _file = file;
1087 _line = line;
1088 }
1089 #endif
1090
1091 virtual const char * name() const PRODUCT_RETURN0;
1092 virtual void visit(LIR_OpVisitState* state);
1093
id() const1094 int id() const { return _id; }
set_id(int id)1095 void set_id(int id) { _id = id; }
1096
1097 // FPU stack simulation helpers -- only used on Intel
set_fpu_pop_count(int count)1098 void set_fpu_pop_count(int count) { assert(count >= 0 && count <= 1, "currently only 0 and 1 are valid"); _fpu_pop_count = count; }
fpu_pop_count() const1099 int fpu_pop_count() const { return _fpu_pop_count; }
pop_fpu_stack()1100 bool pop_fpu_stack() { return _fpu_pop_count > 0; }
1101
source() const1102 Instruction* source() const { return _source; }
set_source(Instruction * ins)1103 void set_source(Instruction* ins) { _source = ins; }
1104
1105 virtual void emit_code(LIR_Assembler* masm) = 0;
1106 virtual void print_instr(outputStream* out) const = 0;
1107 virtual void print_on(outputStream* st) const PRODUCT_RETURN;
1108
is_patching()1109 virtual bool is_patching() { return false; }
as_OpCall()1110 virtual LIR_OpCall* as_OpCall() { return NULL; }
as_OpJavaCall()1111 virtual LIR_OpJavaCall* as_OpJavaCall() { return NULL; }
as_OpLabel()1112 virtual LIR_OpLabel* as_OpLabel() { return NULL; }
as_OpDelay()1113 virtual LIR_OpDelay* as_OpDelay() { return NULL; }
as_OpLock()1114 virtual LIR_OpLock* as_OpLock() { return NULL; }
as_OpAllocArray()1115 virtual LIR_OpAllocArray* as_OpAllocArray() { return NULL; }
as_OpAllocObj()1116 virtual LIR_OpAllocObj* as_OpAllocObj() { return NULL; }
as_OpRoundFP()1117 virtual LIR_OpRoundFP* as_OpRoundFP() { return NULL; }
as_OpBranch()1118 virtual LIR_OpBranch* as_OpBranch() { return NULL; }
as_OpRTCall()1119 virtual LIR_OpRTCall* as_OpRTCall() { return NULL; }
as_OpConvert()1120 virtual LIR_OpConvert* as_OpConvert() { return NULL; }
as_Op0()1121 virtual LIR_Op0* as_Op0() { return NULL; }
as_Op1()1122 virtual LIR_Op1* as_Op1() { return NULL; }
as_Op2()1123 virtual LIR_Op2* as_Op2() { return NULL; }
as_Op3()1124 virtual LIR_Op3* as_Op3() { return NULL; }
as_OpArrayCopy()1125 virtual LIR_OpArrayCopy* as_OpArrayCopy() { return NULL; }
as_OpUpdateCRC32()1126 virtual LIR_OpUpdateCRC32* as_OpUpdateCRC32() { return NULL; }
as_OpTypeCheck()1127 virtual LIR_OpTypeCheck* as_OpTypeCheck() { return NULL; }
as_OpCompareAndSwap()1128 virtual LIR_OpCompareAndSwap* as_OpCompareAndSwap() { return NULL; }
as_OpProfileCall()1129 virtual LIR_OpProfileCall* as_OpProfileCall() { return NULL; }
as_OpProfileType()1130 virtual LIR_OpProfileType* as_OpProfileType() { return NULL; }
1131 #ifdef ASSERT
as_OpAssert()1132 virtual LIR_OpAssert* as_OpAssert() { return NULL; }
1133 #endif
1134
verify() const1135 virtual void verify() const {}
1136 };
1137
1138 // for calls
1139 class LIR_OpCall: public LIR_Op {
1140 friend class LIR_OpVisitState;
1141
1142 protected:
1143 address _addr;
1144 LIR_OprList* _arguments;
1145 protected:
LIR_OpCall(LIR_Code code,address addr,LIR_Opr result,LIR_OprList * arguments,CodeEmitInfo * info=NULL)1146 LIR_OpCall(LIR_Code code, address addr, LIR_Opr result,
1147 LIR_OprList* arguments, CodeEmitInfo* info = NULL)
1148 : LIR_Op(code, result, info)
1149 , _addr(addr)
1150 , _arguments(arguments) {}
1151
1152 public:
addr() const1153 address addr() const { return _addr; }
arguments() const1154 const LIR_OprList* arguments() const { return _arguments; }
as_OpCall()1155 virtual LIR_OpCall* as_OpCall() { return this; }
1156 };
1157
1158
1159 // --------------------------------------------------
1160 // LIR_OpJavaCall
1161 // --------------------------------------------------
1162 class LIR_OpJavaCall: public LIR_OpCall {
1163 friend class LIR_OpVisitState;
1164
1165 private:
1166 ciMethod* _method;
1167 LIR_Opr _receiver;
1168 LIR_Opr _method_handle_invoke_SP_save_opr; // Used in LIR_OpVisitState::visit to store the reference to FrameMap::method_handle_invoke_SP_save_opr.
1169
1170 public:
LIR_OpJavaCall(LIR_Code code,ciMethod * method,LIR_Opr receiver,LIR_Opr result,address addr,LIR_OprList * arguments,CodeEmitInfo * info)1171 LIR_OpJavaCall(LIR_Code code, ciMethod* method,
1172 LIR_Opr receiver, LIR_Opr result,
1173 address addr, LIR_OprList* arguments,
1174 CodeEmitInfo* info)
1175 : LIR_OpCall(code, addr, result, arguments, info)
1176 , _method(method)
1177 , _receiver(receiver)
1178 , _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr)
1179 { assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); }
1180
LIR_OpJavaCall(LIR_Code code,ciMethod * method,LIR_Opr receiver,LIR_Opr result,intptr_t vtable_offset,LIR_OprList * arguments,CodeEmitInfo * info)1181 LIR_OpJavaCall(LIR_Code code, ciMethod* method,
1182 LIR_Opr receiver, LIR_Opr result, intptr_t vtable_offset,
1183 LIR_OprList* arguments, CodeEmitInfo* info)
1184 : LIR_OpCall(code, (address)vtable_offset, result, arguments, info)
1185 , _method(method)
1186 , _receiver(receiver)
1187 , _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr)
1188 { assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); }
1189
receiver() const1190 LIR_Opr receiver() const { return _receiver; }
method() const1191 ciMethod* method() const { return _method; }
1192
1193 // JSR 292 support.
is_invokedynamic() const1194 bool is_invokedynamic() const { return code() == lir_dynamic_call; }
is_method_handle_invoke() const1195 bool is_method_handle_invoke() const {
1196 return method()->is_compiled_lambda_form() || // Java-generated lambda form
1197 method()->is_method_handle_intrinsic(); // JVM-generated MH intrinsic
1198 }
1199
vtable_offset() const1200 intptr_t vtable_offset() const {
1201 assert(_code == lir_virtual_call, "only have vtable for real vcall");
1202 return (intptr_t) addr();
1203 }
1204
1205 virtual void emit_code(LIR_Assembler* masm);
as_OpJavaCall()1206 virtual LIR_OpJavaCall* as_OpJavaCall() { return this; }
1207 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1208 };
1209
1210 // --------------------------------------------------
1211 // LIR_OpLabel
1212 // --------------------------------------------------
1213 // Location where a branch can continue
1214 class LIR_OpLabel: public LIR_Op {
1215 friend class LIR_OpVisitState;
1216
1217 private:
1218 Label* _label;
1219 public:
LIR_OpLabel(Label * lbl)1220 LIR_OpLabel(Label* lbl)
1221 : LIR_Op(lir_label, LIR_OprFact::illegalOpr, NULL)
1222 , _label(lbl) {}
label() const1223 Label* label() const { return _label; }
1224
1225 virtual void emit_code(LIR_Assembler* masm);
as_OpLabel()1226 virtual LIR_OpLabel* as_OpLabel() { return this; }
1227 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1228 };
1229
1230 // LIR_OpArrayCopy
1231 class LIR_OpArrayCopy: public LIR_Op {
1232 friend class LIR_OpVisitState;
1233
1234 private:
1235 ArrayCopyStub* _stub;
1236 LIR_Opr _src;
1237 LIR_Opr _src_pos;
1238 LIR_Opr _dst;
1239 LIR_Opr _dst_pos;
1240 LIR_Opr _length;
1241 LIR_Opr _tmp;
1242 ciArrayKlass* _expected_type;
1243 int _flags;
1244
1245 public:
1246 enum Flags {
1247 src_null_check = 1 << 0,
1248 dst_null_check = 1 << 1,
1249 src_pos_positive_check = 1 << 2,
1250 dst_pos_positive_check = 1 << 3,
1251 length_positive_check = 1 << 4,
1252 src_range_check = 1 << 5,
1253 dst_range_check = 1 << 6,
1254 type_check = 1 << 7,
1255 overlapping = 1 << 8,
1256 unaligned = 1 << 9,
1257 src_objarray = 1 << 10,
1258 dst_objarray = 1 << 11,
1259 all_flags = (1 << 12) - 1
1260 };
1261
1262 LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, LIR_Opr tmp,
1263 ciArrayKlass* expected_type, int flags, CodeEmitInfo* info);
1264
src() const1265 LIR_Opr src() const { return _src; }
src_pos() const1266 LIR_Opr src_pos() const { return _src_pos; }
dst() const1267 LIR_Opr dst() const { return _dst; }
dst_pos() const1268 LIR_Opr dst_pos() const { return _dst_pos; }
length() const1269 LIR_Opr length() const { return _length; }
tmp() const1270 LIR_Opr tmp() const { return _tmp; }
flags() const1271 int flags() const { return _flags; }
expected_type() const1272 ciArrayKlass* expected_type() const { return _expected_type; }
stub() const1273 ArrayCopyStub* stub() const { return _stub; }
1274
1275 virtual void emit_code(LIR_Assembler* masm);
as_OpArrayCopy()1276 virtual LIR_OpArrayCopy* as_OpArrayCopy() { return this; }
1277 void print_instr(outputStream* out) const PRODUCT_RETURN;
1278 };
1279
1280 // LIR_OpUpdateCRC32
1281 class LIR_OpUpdateCRC32: public LIR_Op {
1282 friend class LIR_OpVisitState;
1283
1284 private:
1285 LIR_Opr _crc;
1286 LIR_Opr _val;
1287
1288 public:
1289
1290 LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res);
1291
crc() const1292 LIR_Opr crc() const { return _crc; }
val() const1293 LIR_Opr val() const { return _val; }
1294
1295 virtual void emit_code(LIR_Assembler* masm);
as_OpUpdateCRC32()1296 virtual LIR_OpUpdateCRC32* as_OpUpdateCRC32() { return this; }
1297 void print_instr(outputStream* out) const PRODUCT_RETURN;
1298 };
1299
1300 // --------------------------------------------------
1301 // LIR_Op0
1302 // --------------------------------------------------
1303 class LIR_Op0: public LIR_Op {
1304 friend class LIR_OpVisitState;
1305
1306 public:
LIR_Op0(LIR_Code code)1307 LIR_Op0(LIR_Code code)
1308 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) { assert(is_in_range(code, begin_op0, end_op0), "code check"); }
LIR_Op0(LIR_Code code,LIR_Opr result,CodeEmitInfo * info=NULL)1309 LIR_Op0(LIR_Code code, LIR_Opr result, CodeEmitInfo* info = NULL)
1310 : LIR_Op(code, result, info) { assert(is_in_range(code, begin_op0, end_op0), "code check"); }
1311
1312 virtual void emit_code(LIR_Assembler* masm);
as_Op0()1313 virtual LIR_Op0* as_Op0() { return this; }
1314 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1315 };
1316
1317
1318 // --------------------------------------------------
1319 // LIR_Op1
1320 // --------------------------------------------------
1321
1322 class LIR_Op1: public LIR_Op {
1323 friend class LIR_OpVisitState;
1324
1325 protected:
1326 LIR_Opr _opr; // input operand
1327 BasicType _type; // Operand types
1328 LIR_PatchCode _patch; // only required with patchin (NEEDS_CLEANUP: do we want a special instruction for patching?)
1329
1330 static void print_patch_code(outputStream* out, LIR_PatchCode code);
1331
set_kind(LIR_MoveKind kind)1332 void set_kind(LIR_MoveKind kind) {
1333 assert(code() == lir_move, "must be");
1334 _flags = kind;
1335 }
1336
1337 public:
LIR_Op1(LIR_Code code,LIR_Opr opr,LIR_Opr result=LIR_OprFact::illegalOpr,BasicType type=T_ILLEGAL,LIR_PatchCode patch=lir_patch_none,CodeEmitInfo * info=NULL)1338 LIR_Op1(LIR_Code code, LIR_Opr opr, LIR_Opr result = LIR_OprFact::illegalOpr, BasicType type = T_ILLEGAL, LIR_PatchCode patch = lir_patch_none, CodeEmitInfo* info = NULL)
1339 : LIR_Op(code, result, info)
1340 , _opr(opr)
1341 , _type(type)
1342 , _patch(patch) { assert(is_in_range(code, begin_op1, end_op1), "code check"); }
1343
LIR_Op1(LIR_Code code,LIR_Opr opr,LIR_Opr result,BasicType type,LIR_PatchCode patch,CodeEmitInfo * info,LIR_MoveKind kind)1344 LIR_Op1(LIR_Code code, LIR_Opr opr, LIR_Opr result, BasicType type, LIR_PatchCode patch, CodeEmitInfo* info, LIR_MoveKind kind)
1345 : LIR_Op(code, result, info)
1346 , _opr(opr)
1347 , _type(type)
1348 , _patch(patch) {
1349 assert(code == lir_move, "must be");
1350 set_kind(kind);
1351 }
1352
LIR_Op1(LIR_Code code,LIR_Opr opr,CodeEmitInfo * info)1353 LIR_Op1(LIR_Code code, LIR_Opr opr, CodeEmitInfo* info)
1354 : LIR_Op(code, LIR_OprFact::illegalOpr, info)
1355 , _opr(opr)
1356 , _type(T_ILLEGAL)
1357 , _patch(lir_patch_none) { assert(is_in_range(code, begin_op1, end_op1), "code check"); }
1358
in_opr() const1359 LIR_Opr in_opr() const { return _opr; }
patch_code() const1360 LIR_PatchCode patch_code() const { return _patch; }
type() const1361 BasicType type() const { return _type; }
1362
move_kind() const1363 LIR_MoveKind move_kind() const {
1364 assert(code() == lir_move, "must be");
1365 return (LIR_MoveKind)_flags;
1366 }
1367
is_patching()1368 virtual bool is_patching() { return _patch != lir_patch_none; }
1369 virtual void emit_code(LIR_Assembler* masm);
as_Op1()1370 virtual LIR_Op1* as_Op1() { return this; }
1371 virtual const char * name() const PRODUCT_RETURN0;
1372
set_in_opr(LIR_Opr opr)1373 void set_in_opr(LIR_Opr opr) { _opr = opr; }
1374
1375 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1376 virtual void verify() const;
1377 };
1378
1379
1380 // for runtime calls
1381 class LIR_OpRTCall: public LIR_OpCall {
1382 friend class LIR_OpVisitState;
1383
1384 private:
1385 LIR_Opr _tmp;
1386 public:
LIR_OpRTCall(address addr,LIR_Opr tmp,LIR_Opr result,LIR_OprList * arguments,CodeEmitInfo * info=NULL)1387 LIR_OpRTCall(address addr, LIR_Opr tmp,
1388 LIR_Opr result, LIR_OprList* arguments, CodeEmitInfo* info = NULL)
1389 : LIR_OpCall(lir_rtcall, addr, result, arguments, info)
1390 , _tmp(tmp) {}
1391
1392 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1393 virtual void emit_code(LIR_Assembler* masm);
as_OpRTCall()1394 virtual LIR_OpRTCall* as_OpRTCall() { return this; }
1395
tmp() const1396 LIR_Opr tmp() const { return _tmp; }
1397
1398 virtual void verify() const;
1399 };
1400
1401
1402 class LIR_OpBranch: public LIR_Op {
1403 friend class LIR_OpVisitState;
1404
1405 private:
1406 LIR_Condition _cond;
1407 Label* _label;
1408 BlockBegin* _block; // if this is a branch to a block, this is the block
1409 BlockBegin* _ublock; // if this is a float-branch, this is the unorderd block
1410 CodeStub* _stub; // if this is a branch to a stub, this is the stub
1411
1412 public:
LIR_OpBranch(LIR_Condition cond,Label * lbl)1413 LIR_OpBranch(LIR_Condition cond, Label* lbl)
1414 : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*) NULL)
1415 , _cond(cond)
1416 , _label(lbl)
1417 , _block(NULL)
1418 , _ublock(NULL)
1419 , _stub(NULL) { }
1420
1421 LIR_OpBranch(LIR_Condition cond, BlockBegin* block);
1422 LIR_OpBranch(LIR_Condition cond, CodeStub* stub);
1423
1424 // for unordered comparisons
1425 LIR_OpBranch(LIR_Condition cond, BlockBegin* block, BlockBegin* ublock);
1426
cond() const1427 LIR_Condition cond() const { return _cond; }
label() const1428 Label* label() const { return _label; }
block() const1429 BlockBegin* block() const { return _block; }
ublock() const1430 BlockBegin* ublock() const { return _ublock; }
stub() const1431 CodeStub* stub() const { return _stub; }
1432
1433 void change_block(BlockBegin* b);
1434 void change_ublock(BlockBegin* b);
1435 void negate_cond();
1436
1437 virtual void emit_code(LIR_Assembler* masm);
as_OpBranch()1438 virtual LIR_OpBranch* as_OpBranch() { return this; }
1439 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1440 };
1441
1442
1443 class ConversionStub;
1444
1445 class LIR_OpConvert: public LIR_Op1 {
1446 friend class LIR_OpVisitState;
1447
1448 private:
1449 Bytecodes::Code _bytecode;
1450 ConversionStub* _stub;
1451
1452 public:
LIR_OpConvert(Bytecodes::Code code,LIR_Opr opr,LIR_Opr result,ConversionStub * stub)1453 LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub)
1454 : LIR_Op1(lir_convert, opr, result)
1455 , _bytecode(code)
1456 , _stub(stub) {}
1457
bytecode() const1458 Bytecodes::Code bytecode() const { return _bytecode; }
stub() const1459 ConversionStub* stub() const { return _stub; }
1460
1461 virtual void emit_code(LIR_Assembler* masm);
as_OpConvert()1462 virtual LIR_OpConvert* as_OpConvert() { return this; }
1463 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1464
1465 static void print_bytecode(outputStream* out, Bytecodes::Code code) PRODUCT_RETURN;
1466 };
1467
1468
1469 // LIR_OpAllocObj
1470 class LIR_OpAllocObj : public LIR_Op1 {
1471 friend class LIR_OpVisitState;
1472
1473 private:
1474 LIR_Opr _tmp1;
1475 LIR_Opr _tmp2;
1476 LIR_Opr _tmp3;
1477 LIR_Opr _tmp4;
1478 int _hdr_size;
1479 int _obj_size;
1480 CodeStub* _stub;
1481 bool _init_check;
1482
1483 public:
LIR_OpAllocObj(LIR_Opr klass,LIR_Opr result,LIR_Opr t1,LIR_Opr t2,LIR_Opr t3,LIR_Opr t4,int hdr_size,int obj_size,bool init_check,CodeStub * stub)1484 LIR_OpAllocObj(LIR_Opr klass, LIR_Opr result,
1485 LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
1486 int hdr_size, int obj_size, bool init_check, CodeStub* stub)
1487 : LIR_Op1(lir_alloc_object, klass, result)
1488 , _tmp1(t1)
1489 , _tmp2(t2)
1490 , _tmp3(t3)
1491 , _tmp4(t4)
1492 , _hdr_size(hdr_size)
1493 , _obj_size(obj_size)
1494 , _stub(stub)
1495 , _init_check(init_check) { }
1496
klass() const1497 LIR_Opr klass() const { return in_opr(); }
obj() const1498 LIR_Opr obj() const { return result_opr(); }
tmp1() const1499 LIR_Opr tmp1() const { return _tmp1; }
tmp2() const1500 LIR_Opr tmp2() const { return _tmp2; }
tmp3() const1501 LIR_Opr tmp3() const { return _tmp3; }
tmp4() const1502 LIR_Opr tmp4() const { return _tmp4; }
header_size() const1503 int header_size() const { return _hdr_size; }
object_size() const1504 int object_size() const { return _obj_size; }
init_check() const1505 bool init_check() const { return _init_check; }
stub() const1506 CodeStub* stub() const { return _stub; }
1507
1508 virtual void emit_code(LIR_Assembler* masm);
as_OpAllocObj()1509 virtual LIR_OpAllocObj * as_OpAllocObj () { return this; }
1510 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1511 };
1512
1513
1514 // LIR_OpRoundFP
1515 class LIR_OpRoundFP : public LIR_Op1 {
1516 friend class LIR_OpVisitState;
1517
1518 private:
1519 LIR_Opr _tmp;
1520
1521 public:
LIR_OpRoundFP(LIR_Opr reg,LIR_Opr stack_loc_temp,LIR_Opr result)1522 LIR_OpRoundFP(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result)
1523 : LIR_Op1(lir_roundfp, reg, result)
1524 , _tmp(stack_loc_temp) {}
1525
tmp() const1526 LIR_Opr tmp() const { return _tmp; }
as_OpRoundFP()1527 virtual LIR_OpRoundFP* as_OpRoundFP() { return this; }
1528 void print_instr(outputStream* out) const PRODUCT_RETURN;
1529 };
1530
1531 // LIR_OpTypeCheck
1532 class LIR_OpTypeCheck: public LIR_Op {
1533 friend class LIR_OpVisitState;
1534
1535 private:
1536 LIR_Opr _object;
1537 LIR_Opr _array;
1538 ciKlass* _klass;
1539 LIR_Opr _tmp1;
1540 LIR_Opr _tmp2;
1541 LIR_Opr _tmp3;
1542 bool _fast_check;
1543 CodeEmitInfo* _info_for_patch;
1544 CodeEmitInfo* _info_for_exception;
1545 CodeStub* _stub;
1546 ciMethod* _profiled_method;
1547 int _profiled_bci;
1548 bool _should_profile;
1549
1550 public:
1551 LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
1552 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
1553 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub);
1554 LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array,
1555 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception);
1556
object() const1557 LIR_Opr object() const { return _object; }
array() const1558 LIR_Opr array() const { assert(code() == lir_store_check, "not valid"); return _array; }
tmp1() const1559 LIR_Opr tmp1() const { return _tmp1; }
tmp2() const1560 LIR_Opr tmp2() const { return _tmp2; }
tmp3() const1561 LIR_Opr tmp3() const { return _tmp3; }
klass() const1562 ciKlass* klass() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _klass; }
fast_check() const1563 bool fast_check() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _fast_check; }
info_for_patch() const1564 CodeEmitInfo* info_for_patch() const { return _info_for_patch; }
info_for_exception() const1565 CodeEmitInfo* info_for_exception() const { return _info_for_exception; }
stub() const1566 CodeStub* stub() const { return _stub; }
1567
1568 // MethodData* profiling
set_profiled_method(ciMethod * method)1569 void set_profiled_method(ciMethod *method) { _profiled_method = method; }
set_profiled_bci(int bci)1570 void set_profiled_bci(int bci) { _profiled_bci = bci; }
set_should_profile(bool b)1571 void set_should_profile(bool b) { _should_profile = b; }
profiled_method() const1572 ciMethod* profiled_method() const { return _profiled_method; }
profiled_bci() const1573 int profiled_bci() const { return _profiled_bci; }
should_profile() const1574 bool should_profile() const { return _should_profile; }
1575
is_patching()1576 virtual bool is_patching() { return _info_for_patch != NULL; }
1577 virtual void emit_code(LIR_Assembler* masm);
as_OpTypeCheck()1578 virtual LIR_OpTypeCheck* as_OpTypeCheck() { return this; }
1579 void print_instr(outputStream* out) const PRODUCT_RETURN;
1580 };
1581
1582 // LIR_Op2
1583 class LIR_Op2: public LIR_Op {
1584 friend class LIR_OpVisitState;
1585
1586 int _fpu_stack_size; // for sin/cos implementation on Intel
1587
1588 protected:
1589 LIR_Opr _opr1;
1590 LIR_Opr _opr2;
1591 BasicType _type;
1592 LIR_Opr _tmp1;
1593 LIR_Opr _tmp2;
1594 LIR_Opr _tmp3;
1595 LIR_Opr _tmp4;
1596 LIR_Opr _tmp5;
1597 LIR_Condition _condition;
1598
1599 void verify() const;
1600
1601 public:
LIR_Op2(LIR_Code code,LIR_Condition condition,LIR_Opr opr1,LIR_Opr opr2,CodeEmitInfo * info=NULL)1602 LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, CodeEmitInfo* info = NULL)
1603 : LIR_Op(code, LIR_OprFact::illegalOpr, info)
1604 , _fpu_stack_size(0)
1605 , _opr1(opr1)
1606 , _opr2(opr2)
1607 , _type(T_ILLEGAL)
1608 , _tmp1(LIR_OprFact::illegalOpr)
1609 , _tmp2(LIR_OprFact::illegalOpr)
1610 , _tmp3(LIR_OprFact::illegalOpr)
1611 , _tmp4(LIR_OprFact::illegalOpr)
1612 , _tmp5(LIR_OprFact::illegalOpr)
1613 , _condition(condition) {
1614 assert(code == lir_cmp || code == lir_assert, "code check");
1615 }
1616
LIR_Op2(LIR_Code code,LIR_Condition condition,LIR_Opr opr1,LIR_Opr opr2,LIR_Opr result,BasicType type)1617 LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, BasicType type)
1618 : LIR_Op(code, result, NULL)
1619 , _fpu_stack_size(0)
1620 , _opr1(opr1)
1621 , _opr2(opr2)
1622 , _type(type)
1623 , _tmp1(LIR_OprFact::illegalOpr)
1624 , _tmp2(LIR_OprFact::illegalOpr)
1625 , _tmp3(LIR_OprFact::illegalOpr)
1626 , _tmp4(LIR_OprFact::illegalOpr)
1627 , _tmp5(LIR_OprFact::illegalOpr)
1628 , _condition(condition) {
1629 assert(code == lir_cmove, "code check");
1630 assert(type != T_ILLEGAL, "cmove should have type");
1631 }
1632
LIR_Op2(LIR_Code code,LIR_Opr opr1,LIR_Opr opr2,LIR_Opr result=LIR_OprFact::illegalOpr,CodeEmitInfo * info=NULL,BasicType type=T_ILLEGAL)1633 LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result = LIR_OprFact::illegalOpr,
1634 CodeEmitInfo* info = NULL, BasicType type = T_ILLEGAL)
1635 : LIR_Op(code, result, info)
1636 , _fpu_stack_size(0)
1637 , _opr1(opr1)
1638 , _opr2(opr2)
1639 , _type(type)
1640 , _tmp1(LIR_OprFact::illegalOpr)
1641 , _tmp2(LIR_OprFact::illegalOpr)
1642 , _tmp3(LIR_OprFact::illegalOpr)
1643 , _tmp4(LIR_OprFact::illegalOpr)
1644 , _tmp5(LIR_OprFact::illegalOpr)
1645 , _condition(lir_cond_unknown) {
1646 assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check");
1647 }
1648
LIR_Op2(LIR_Code code,LIR_Opr opr1,LIR_Opr opr2,LIR_Opr result,LIR_Opr tmp1,LIR_Opr tmp2=LIR_OprFact::illegalOpr,LIR_Opr tmp3=LIR_OprFact::illegalOpr,LIR_Opr tmp4=LIR_OprFact::illegalOpr,LIR_Opr tmp5=LIR_OprFact::illegalOpr)1649 LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, LIR_Opr tmp1, LIR_Opr tmp2 = LIR_OprFact::illegalOpr,
1650 LIR_Opr tmp3 = LIR_OprFact::illegalOpr, LIR_Opr tmp4 = LIR_OprFact::illegalOpr, LIR_Opr tmp5 = LIR_OprFact::illegalOpr)
1651 : LIR_Op(code, result, NULL)
1652 , _fpu_stack_size(0)
1653 , _opr1(opr1)
1654 , _opr2(opr2)
1655 , _type(T_ILLEGAL)
1656 , _tmp1(tmp1)
1657 , _tmp2(tmp2)
1658 , _tmp3(tmp3)
1659 , _tmp4(tmp4)
1660 , _tmp5(tmp5)
1661 , _condition(lir_cond_unknown) {
1662 assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check");
1663 }
1664
in_opr1() const1665 LIR_Opr in_opr1() const { return _opr1; }
in_opr2() const1666 LIR_Opr in_opr2() const { return _opr2; }
type() const1667 BasicType type() const { return _type; }
tmp1_opr() const1668 LIR_Opr tmp1_opr() const { return _tmp1; }
tmp2_opr() const1669 LIR_Opr tmp2_opr() const { return _tmp2; }
tmp3_opr() const1670 LIR_Opr tmp3_opr() const { return _tmp3; }
tmp4_opr() const1671 LIR_Opr tmp4_opr() const { return _tmp4; }
tmp5_opr() const1672 LIR_Opr tmp5_opr() const { return _tmp5; }
condition() const1673 LIR_Condition condition() const {
1674 assert(code() == lir_cmp || code() == lir_cmove || code() == lir_assert, "only valid for cmp and cmove and assert"); return _condition;
1675 }
set_condition(LIR_Condition condition)1676 void set_condition(LIR_Condition condition) {
1677 assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); _condition = condition;
1678 }
1679
set_fpu_stack_size(int size)1680 void set_fpu_stack_size(int size) { _fpu_stack_size = size; }
fpu_stack_size() const1681 int fpu_stack_size() const { return _fpu_stack_size; }
1682
set_in_opr1(LIR_Opr opr)1683 void set_in_opr1(LIR_Opr opr) { _opr1 = opr; }
set_in_opr2(LIR_Opr opr)1684 void set_in_opr2(LIR_Opr opr) { _opr2 = opr; }
1685
1686 virtual void emit_code(LIR_Assembler* masm);
as_Op2()1687 virtual LIR_Op2* as_Op2() { return this; }
1688 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1689 };
1690
1691 class LIR_OpAllocArray : public LIR_Op {
1692 friend class LIR_OpVisitState;
1693
1694 private:
1695 LIR_Opr _klass;
1696 LIR_Opr _len;
1697 LIR_Opr _tmp1;
1698 LIR_Opr _tmp2;
1699 LIR_Opr _tmp3;
1700 LIR_Opr _tmp4;
1701 BasicType _type;
1702 CodeStub* _stub;
1703
1704 public:
LIR_OpAllocArray(LIR_Opr klass,LIR_Opr len,LIR_Opr result,LIR_Opr t1,LIR_Opr t2,LIR_Opr t3,LIR_Opr t4,BasicType type,CodeStub * stub)1705 LIR_OpAllocArray(LIR_Opr klass, LIR_Opr len, LIR_Opr result, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, BasicType type, CodeStub* stub)
1706 : LIR_Op(lir_alloc_array, result, NULL)
1707 , _klass(klass)
1708 , _len(len)
1709 , _tmp1(t1)
1710 , _tmp2(t2)
1711 , _tmp3(t3)
1712 , _tmp4(t4)
1713 , _type(type)
1714 , _stub(stub) {}
1715
klass() const1716 LIR_Opr klass() const { return _klass; }
len() const1717 LIR_Opr len() const { return _len; }
obj() const1718 LIR_Opr obj() const { return result_opr(); }
tmp1() const1719 LIR_Opr tmp1() const { return _tmp1; }
tmp2() const1720 LIR_Opr tmp2() const { return _tmp2; }
tmp3() const1721 LIR_Opr tmp3() const { return _tmp3; }
tmp4() const1722 LIR_Opr tmp4() const { return _tmp4; }
type() const1723 BasicType type() const { return _type; }
stub() const1724 CodeStub* stub() const { return _stub; }
1725
1726 virtual void emit_code(LIR_Assembler* masm);
as_OpAllocArray()1727 virtual LIR_OpAllocArray * as_OpAllocArray () { return this; }
1728 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1729 };
1730
1731
1732 class LIR_Op3: public LIR_Op {
1733 friend class LIR_OpVisitState;
1734
1735 private:
1736 LIR_Opr _opr1;
1737 LIR_Opr _opr2;
1738 LIR_Opr _opr3;
1739 public:
LIR_Op3(LIR_Code code,LIR_Opr opr1,LIR_Opr opr2,LIR_Opr opr3,LIR_Opr result,CodeEmitInfo * info=NULL)1740 LIR_Op3(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr opr3, LIR_Opr result, CodeEmitInfo* info = NULL)
1741 : LIR_Op(code, result, info)
1742 , _opr1(opr1)
1743 , _opr2(opr2)
1744 , _opr3(opr3) { assert(is_in_range(code, begin_op3, end_op3), "code check"); }
in_opr1() const1745 LIR_Opr in_opr1() const { return _opr1; }
in_opr2() const1746 LIR_Opr in_opr2() const { return _opr2; }
in_opr3() const1747 LIR_Opr in_opr3() const { return _opr3; }
1748
1749 virtual void emit_code(LIR_Assembler* masm);
as_Op3()1750 virtual LIR_Op3* as_Op3() { return this; }
1751 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1752 };
1753
1754
1755 //--------------------------------
1756 class LabelObj: public CompilationResourceObj {
1757 private:
1758 Label _label;
1759 public:
LabelObj()1760 LabelObj() {}
label()1761 Label* label() { return &_label; }
1762 };
1763
1764
1765 class LIR_OpLock: public LIR_Op {
1766 friend class LIR_OpVisitState;
1767
1768 private:
1769 LIR_Opr _hdr;
1770 LIR_Opr _obj;
1771 LIR_Opr _lock;
1772 LIR_Opr _scratch;
1773 CodeStub* _stub;
1774 public:
LIR_OpLock(LIR_Code code,LIR_Opr hdr,LIR_Opr obj,LIR_Opr lock,LIR_Opr scratch,CodeStub * stub,CodeEmitInfo * info)1775 LIR_OpLock(LIR_Code code, LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info)
1776 : LIR_Op(code, LIR_OprFact::illegalOpr, info)
1777 , _hdr(hdr)
1778 , _obj(obj)
1779 , _lock(lock)
1780 , _scratch(scratch)
1781 , _stub(stub) {}
1782
hdr_opr() const1783 LIR_Opr hdr_opr() const { return _hdr; }
obj_opr() const1784 LIR_Opr obj_opr() const { return _obj; }
lock_opr() const1785 LIR_Opr lock_opr() const { return _lock; }
scratch_opr() const1786 LIR_Opr scratch_opr() const { return _scratch; }
stub() const1787 CodeStub* stub() const { return _stub; }
1788
1789 virtual void emit_code(LIR_Assembler* masm);
as_OpLock()1790 virtual LIR_OpLock* as_OpLock() { return this; }
1791 void print_instr(outputStream* out) const PRODUCT_RETURN;
1792 };
1793
1794
1795 class LIR_OpDelay: public LIR_Op {
1796 friend class LIR_OpVisitState;
1797
1798 private:
1799 LIR_Op* _op;
1800
1801 public:
LIR_OpDelay(LIR_Op * op,CodeEmitInfo * info)1802 LIR_OpDelay(LIR_Op* op, CodeEmitInfo* info):
1803 LIR_Op(lir_delay_slot, LIR_OprFact::illegalOpr, info),
1804 _op(op) {
1805 assert(op->code() == lir_nop, "should be filling with nops");
1806 }
1807 virtual void emit_code(LIR_Assembler* masm);
as_OpDelay()1808 virtual LIR_OpDelay* as_OpDelay() { return this; }
1809 void print_instr(outputStream* out) const PRODUCT_RETURN;
delay_op() const1810 LIR_Op* delay_op() const { return _op; }
call_info() const1811 CodeEmitInfo* call_info() const { return info(); }
1812 };
1813
1814 #ifdef ASSERT
1815 // LIR_OpAssert
1816 class LIR_OpAssert : public LIR_Op2 {
1817 friend class LIR_OpVisitState;
1818
1819 private:
1820 const char* _msg;
1821 bool _halt;
1822
1823 public:
LIR_OpAssert(LIR_Condition condition,LIR_Opr opr1,LIR_Opr opr2,const char * msg,bool halt)1824 LIR_OpAssert(LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, const char* msg, bool halt)
1825 : LIR_Op2(lir_assert, condition, opr1, opr2)
1826 , _msg(msg)
1827 , _halt(halt) {
1828 }
1829
msg() const1830 const char* msg() const { return _msg; }
halt() const1831 bool halt() const { return _halt; }
1832
1833 virtual void emit_code(LIR_Assembler* masm);
as_OpAssert()1834 virtual LIR_OpAssert* as_OpAssert() { return this; }
1835 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1836 };
1837 #endif
1838
1839 // LIR_OpCompareAndSwap
1840 class LIR_OpCompareAndSwap : public LIR_Op {
1841 friend class LIR_OpVisitState;
1842
1843 private:
1844 LIR_Opr _addr;
1845 LIR_Opr _cmp_value;
1846 LIR_Opr _new_value;
1847 LIR_Opr _tmp1;
1848 LIR_Opr _tmp2;
1849
1850 public:
LIR_OpCompareAndSwap(LIR_Code code,LIR_Opr addr,LIR_Opr cmp_value,LIR_Opr new_value,LIR_Opr t1,LIR_Opr t2,LIR_Opr result)1851 LIR_OpCompareAndSwap(LIR_Code code, LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1852 LIR_Opr t1, LIR_Opr t2, LIR_Opr result)
1853 : LIR_Op(code, result, NULL) // no result, no info
1854 , _addr(addr)
1855 , _cmp_value(cmp_value)
1856 , _new_value(new_value)
1857 , _tmp1(t1)
1858 , _tmp2(t2) { }
1859
addr() const1860 LIR_Opr addr() const { return _addr; }
cmp_value() const1861 LIR_Opr cmp_value() const { return _cmp_value; }
new_value() const1862 LIR_Opr new_value() const { return _new_value; }
tmp1() const1863 LIR_Opr tmp1() const { return _tmp1; }
tmp2() const1864 LIR_Opr tmp2() const { return _tmp2; }
1865
1866 virtual void emit_code(LIR_Assembler* masm);
as_OpCompareAndSwap()1867 virtual LIR_OpCompareAndSwap * as_OpCompareAndSwap () { return this; }
1868 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1869 };
1870
1871 // LIR_OpProfileCall
1872 class LIR_OpProfileCall : public LIR_Op {
1873 friend class LIR_OpVisitState;
1874
1875 private:
1876 ciMethod* _profiled_method;
1877 int _profiled_bci;
1878 ciMethod* _profiled_callee;
1879 LIR_Opr _mdo;
1880 LIR_Opr _recv;
1881 LIR_Opr _tmp1;
1882 ciKlass* _known_holder;
1883
1884 public:
1885 // Destroys recv
LIR_OpProfileCall(ciMethod * profiled_method,int profiled_bci,ciMethod * profiled_callee,LIR_Opr mdo,LIR_Opr recv,LIR_Opr t1,ciKlass * known_holder)1886 LIR_OpProfileCall(ciMethod* profiled_method, int profiled_bci, ciMethod* profiled_callee, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* known_holder)
1887 : LIR_Op(lir_profile_call, LIR_OprFact::illegalOpr, NULL) // no result, no info
1888 , _profiled_method(profiled_method)
1889 , _profiled_bci(profiled_bci)
1890 , _profiled_callee(profiled_callee)
1891 , _mdo(mdo)
1892 , _recv(recv)
1893 , _tmp1(t1)
1894 , _known_holder(known_holder) { }
1895
profiled_method() const1896 ciMethod* profiled_method() const { return _profiled_method; }
profiled_bci() const1897 int profiled_bci() const { return _profiled_bci; }
profiled_callee() const1898 ciMethod* profiled_callee() const { return _profiled_callee; }
mdo() const1899 LIR_Opr mdo() const { return _mdo; }
recv() const1900 LIR_Opr recv() const { return _recv; }
tmp1() const1901 LIR_Opr tmp1() const { return _tmp1; }
known_holder() const1902 ciKlass* known_holder() const { return _known_holder; }
1903
1904 virtual void emit_code(LIR_Assembler* masm);
as_OpProfileCall()1905 virtual LIR_OpProfileCall* as_OpProfileCall() { return this; }
1906 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
should_profile_receiver_type() const1907 bool should_profile_receiver_type() const {
1908 bool callee_is_static = _profiled_callee->is_loaded() && _profiled_callee->is_static();
1909 Bytecodes::Code bc = _profiled_method->java_code_at_bci(_profiled_bci);
1910 bool call_is_virtual = (bc == Bytecodes::_invokevirtual && !_profiled_callee->can_be_statically_bound()) || bc == Bytecodes::_invokeinterface;
1911 return C1ProfileVirtualCalls && call_is_virtual && !callee_is_static;
1912 }
1913 };
1914
1915 // LIR_OpProfileType
1916 class LIR_OpProfileType : public LIR_Op {
1917 friend class LIR_OpVisitState;
1918
1919 private:
1920 LIR_Opr _mdp;
1921 LIR_Opr _obj;
1922 LIR_Opr _tmp;
1923 ciKlass* _exact_klass; // non NULL if we know the klass statically (no need to load it from _obj)
1924 intptr_t _current_klass; // what the profiling currently reports
1925 bool _not_null; // true if we know statically that _obj cannot be null
1926 bool _no_conflict; // true if we're profling parameters, _exact_klass is not NULL and we know
1927 // _exact_klass it the only possible type for this parameter in any context.
1928
1929 public:
1930 // Destroys recv
LIR_OpProfileType(LIR_Opr mdp,LIR_Opr obj,ciKlass * exact_klass,intptr_t current_klass,LIR_Opr tmp,bool not_null,bool no_conflict)1931 LIR_OpProfileType(LIR_Opr mdp, LIR_Opr obj, ciKlass* exact_klass, intptr_t current_klass, LIR_Opr tmp, bool not_null, bool no_conflict)
1932 : LIR_Op(lir_profile_type, LIR_OprFact::illegalOpr, NULL) // no result, no info
1933 , _mdp(mdp)
1934 , _obj(obj)
1935 , _tmp(tmp)
1936 , _exact_klass(exact_klass)
1937 , _current_klass(current_klass)
1938 , _not_null(not_null)
1939 , _no_conflict(no_conflict) { }
1940
mdp() const1941 LIR_Opr mdp() const { return _mdp; }
obj() const1942 LIR_Opr obj() const { return _obj; }
tmp() const1943 LIR_Opr tmp() const { return _tmp; }
exact_klass() const1944 ciKlass* exact_klass() const { return _exact_klass; }
current_klass() const1945 intptr_t current_klass() const { return _current_klass; }
not_null() const1946 bool not_null() const { return _not_null; }
no_conflict() const1947 bool no_conflict() const { return _no_conflict; }
1948
1949 virtual void emit_code(LIR_Assembler* masm);
as_OpProfileType()1950 virtual LIR_OpProfileType* as_OpProfileType() { return this; }
1951 virtual void print_instr(outputStream* out) const PRODUCT_RETURN;
1952 };
1953
1954 class LIR_InsertionBuffer;
1955
1956 //--------------------------------LIR_List---------------------------------------------------
1957 // Maintains a list of LIR instructions (one instance of LIR_List per basic block)
1958 // The LIR instructions are appended by the LIR_List class itself;
1959 //
1960 // Notes:
1961 // - all offsets are(should be) in bytes
1962 // - local positions are specified with an offset, with offset 0 being local 0
1963
1964 class LIR_List: public CompilationResourceObj {
1965 private:
1966 LIR_OpList _operations;
1967
1968 Compilation* _compilation;
1969 #ifndef PRODUCT
1970 BlockBegin* _block;
1971 #endif
1972 #ifdef ASSERT
1973 const char * _file;
1974 int _line;
1975 #endif
1976
1977 public:
append(LIR_Op * op)1978 void append(LIR_Op* op) {
1979 if (op->source() == NULL)
1980 op->set_source(_compilation->current_instruction());
1981 #ifndef PRODUCT
1982 if (PrintIRWithLIR) {
1983 _compilation->maybe_print_current_instruction();
1984 op->print(); tty->cr();
1985 }
1986 #endif // PRODUCT
1987
1988 _operations.append(op);
1989
1990 #ifdef ASSERT
1991 op->verify();
1992 op->set_file_and_line(_file, _line);
1993 _file = NULL;
1994 _line = 0;
1995 #endif
1996 }
1997
1998 LIR_List(Compilation* compilation, BlockBegin* block = NULL);
1999
2000 #ifdef ASSERT
2001 void set_file_and_line(const char * file, int line);
2002 #endif
2003
2004 //---------- accessors ---------------
instructions_list()2005 LIR_OpList* instructions_list() { return &_operations; }
length() const2006 int length() const { return _operations.length(); }
at(int i) const2007 LIR_Op* at(int i) const { return _operations.at(i); }
2008
2009 NOT_PRODUCT(BlockBegin* block() const { return _block; });
2010
2011 // insert LIR_Ops in buffer to right places in LIR_List
2012 void append(LIR_InsertionBuffer* buffer);
2013
2014 //---------- mutators ---------------
insert_before(int i,LIR_List * op_list)2015 void insert_before(int i, LIR_List* op_list) { _operations.insert_before(i, op_list->instructions_list()); }
insert_before(int i,LIR_Op * op)2016 void insert_before(int i, LIR_Op* op) { _operations.insert_before(i, op); }
remove_at(int i)2017 void remove_at(int i) { _operations.remove_at(i); }
2018
2019 //---------- printing -------------
2020 void print_instructions() PRODUCT_RETURN;
2021
2022
2023 //---------- instructions -------------
call_opt_virtual(ciMethod * method,LIR_Opr receiver,LIR_Opr result,address dest,LIR_OprList * arguments,CodeEmitInfo * info)2024 void call_opt_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
2025 address dest, LIR_OprList* arguments,
2026 CodeEmitInfo* info) {
2027 append(new LIR_OpJavaCall(lir_optvirtual_call, method, receiver, result, dest, arguments, info));
2028 }
call_static(ciMethod * method,LIR_Opr result,address dest,LIR_OprList * arguments,CodeEmitInfo * info)2029 void call_static(ciMethod* method, LIR_Opr result,
2030 address dest, LIR_OprList* arguments, CodeEmitInfo* info) {
2031 append(new LIR_OpJavaCall(lir_static_call, method, LIR_OprFact::illegalOpr, result, dest, arguments, info));
2032 }
call_icvirtual(ciMethod * method,LIR_Opr receiver,LIR_Opr result,address dest,LIR_OprList * arguments,CodeEmitInfo * info)2033 void call_icvirtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
2034 address dest, LIR_OprList* arguments, CodeEmitInfo* info) {
2035 append(new LIR_OpJavaCall(lir_icvirtual_call, method, receiver, result, dest, arguments, info));
2036 }
call_virtual(ciMethod * method,LIR_Opr receiver,LIR_Opr result,intptr_t vtable_offset,LIR_OprList * arguments,CodeEmitInfo * info)2037 void call_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
2038 intptr_t vtable_offset, LIR_OprList* arguments, CodeEmitInfo* info) {
2039 append(new LIR_OpJavaCall(lir_virtual_call, method, receiver, result, vtable_offset, arguments, info));
2040 }
call_dynamic(ciMethod * method,LIR_Opr receiver,LIR_Opr result,address dest,LIR_OprList * arguments,CodeEmitInfo * info)2041 void call_dynamic(ciMethod* method, LIR_Opr receiver, LIR_Opr result,
2042 address dest, LIR_OprList* arguments, CodeEmitInfo* info) {
2043 append(new LIR_OpJavaCall(lir_dynamic_call, method, receiver, result, dest, arguments, info));
2044 }
2045
get_thread(LIR_Opr result)2046 void get_thread(LIR_Opr result) { append(new LIR_Op0(lir_get_thread, result)); }
membar()2047 void membar() { append(new LIR_Op0(lir_membar)); }
membar_acquire()2048 void membar_acquire() { append(new LIR_Op0(lir_membar_acquire)); }
membar_release()2049 void membar_release() { append(new LIR_Op0(lir_membar_release)); }
membar_loadload()2050 void membar_loadload() { append(new LIR_Op0(lir_membar_loadload)); }
membar_storestore()2051 void membar_storestore() { append(new LIR_Op0(lir_membar_storestore)); }
membar_loadstore()2052 void membar_loadstore() { append(new LIR_Op0(lir_membar_loadstore)); }
membar_storeload()2053 void membar_storeload() { append(new LIR_Op0(lir_membar_storeload)); }
2054
nop()2055 void nop() { append(new LIR_Op0(lir_nop)); }
2056
std_entry(LIR_Opr receiver)2057 void std_entry(LIR_Opr receiver) { append(new LIR_Op0(lir_std_entry, receiver)); }
osr_entry(LIR_Opr osrPointer)2058 void osr_entry(LIR_Opr osrPointer) { append(new LIR_Op0(lir_osr_entry, osrPointer)); }
2059
on_spin_wait()2060 void on_spin_wait() { append(new LIR_Op0(lir_on_spin_wait)); }
2061
branch_destination(Label * lbl)2062 void branch_destination(Label* lbl) { append(new LIR_OpLabel(lbl)); }
2063
leal(LIR_Opr from,LIR_Opr result_reg,LIR_PatchCode patch_code=lir_patch_none,CodeEmitInfo * info=NULL)2064 void leal(LIR_Opr from, LIR_Opr result_reg, LIR_PatchCode patch_code = lir_patch_none, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_leal, from, result_reg, T_ILLEGAL, patch_code, info)); }
2065
2066 // result is a stack location for old backend and vreg for UseLinearScan
2067 // stack_loc_temp is an illegal register for old backend
roundfp(LIR_Opr reg,LIR_Opr stack_loc_temp,LIR_Opr result)2068 void roundfp(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) { append(new LIR_OpRoundFP(reg, stack_loc_temp, result)); }
unaligned_move(LIR_Address * src,LIR_Opr dst)2069 void unaligned_move(LIR_Address* src, LIR_Opr dst) { append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, dst->type(), lir_patch_none, NULL, lir_move_unaligned)); }
unaligned_move(LIR_Opr src,LIR_Address * dst)2070 void unaligned_move(LIR_Opr src, LIR_Address* dst) { append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), src->type(), lir_patch_none, NULL, lir_move_unaligned)); }
unaligned_move(LIR_Opr src,LIR_Opr dst)2071 void unaligned_move(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_move, src, dst, dst->type(), lir_patch_none, NULL, lir_move_unaligned)); }
move(LIR_Opr src,LIR_Opr dst,CodeEmitInfo * info=NULL)2072 void move(LIR_Opr src, LIR_Opr dst, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_move, src, dst, dst->type(), lir_patch_none, info)); }
move(LIR_Address * src,LIR_Opr dst,CodeEmitInfo * info=NULL)2073 void move(LIR_Address* src, LIR_Opr dst, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, src->type(), lir_patch_none, info)); }
move(LIR_Opr src,LIR_Address * dst,CodeEmitInfo * info=NULL)2074 void move(LIR_Opr src, LIR_Address* dst, CodeEmitInfo* info = NULL) { append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), dst->type(), lir_patch_none, info)); }
move_wide(LIR_Address * src,LIR_Opr dst,CodeEmitInfo * info=NULL)2075 void move_wide(LIR_Address* src, LIR_Opr dst, CodeEmitInfo* info = NULL) {
2076 if (UseCompressedOops) {
2077 append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, src->type(), lir_patch_none, info, lir_move_wide));
2078 } else {
2079 move(src, dst, info);
2080 }
2081 }
move_wide(LIR_Opr src,LIR_Address * dst,CodeEmitInfo * info=NULL)2082 void move_wide(LIR_Opr src, LIR_Address* dst, CodeEmitInfo* info = NULL) {
2083 if (UseCompressedOops) {
2084 append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), dst->type(), lir_patch_none, info, lir_move_wide));
2085 } else {
2086 move(src, dst, info);
2087 }
2088 }
volatile_move(LIR_Opr src,LIR_Opr dst,BasicType type,CodeEmitInfo * info=NULL,LIR_PatchCode patch_code=lir_patch_none)2089 void volatile_move(LIR_Opr src, LIR_Opr dst, BasicType type, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none) { append(new LIR_Op1(lir_move, src, dst, type, patch_code, info, lir_move_volatile)); }
2090
oop2reg(jobject o,LIR_Opr reg)2091 void oop2reg (jobject o, LIR_Opr reg) { assert(reg->type() == T_OBJECT, "bad reg"); append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg)); }
2092 void oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info);
2093
metadata2reg(Metadata * o,LIR_Opr reg)2094 void metadata2reg (Metadata* o, LIR_Opr reg) { assert(reg->type() == T_METADATA, "bad reg"); append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg)); }
2095 void klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info);
2096
return_op(LIR_Opr result)2097 void return_op(LIR_Opr result) { append(new LIR_Op1(lir_return, result)); }
2098
safepoint(LIR_Opr tmp,CodeEmitInfo * info)2099 void safepoint(LIR_Opr tmp, CodeEmitInfo* info) { append(new LIR_Op1(lir_safepoint, tmp, info)); }
2100
convert(Bytecodes::Code code,LIR_Opr left,LIR_Opr dst,ConversionStub * stub=NULL)2101 void convert(Bytecodes::Code code, LIR_Opr left, LIR_Opr dst, ConversionStub* stub = NULL/*, bool is_32bit = false*/) { append(new LIR_OpConvert(code, left, dst, stub)); }
2102
logical_and(LIR_Opr left,LIR_Opr right,LIR_Opr dst)2103 void logical_and (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_and, left, right, dst)); }
logical_or(LIR_Opr left,LIR_Opr right,LIR_Opr dst)2104 void logical_or (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_or, left, right, dst)); }
logical_xor(LIR_Opr left,LIR_Opr right,LIR_Opr dst)2105 void logical_xor (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_xor, left, right, dst)); }
2106
2107 void null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null = false);
throw_exception(LIR_Opr exceptionPC,LIR_Opr exceptionOop,CodeEmitInfo * info)2108 void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) {
2109 append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info));
2110 }
unwind_exception(LIR_Opr exceptionOop)2111 void unwind_exception(LIR_Opr exceptionOop) {
2112 append(new LIR_Op1(lir_unwind, exceptionOop));
2113 }
2114
push(LIR_Opr opr)2115 void push(LIR_Opr opr) { append(new LIR_Op1(lir_push, opr)); }
pop(LIR_Opr reg)2116 void pop(LIR_Opr reg) { append(new LIR_Op1(lir_pop, reg)); }
2117
cmp(LIR_Condition condition,LIR_Opr left,LIR_Opr right,CodeEmitInfo * info=NULL)2118 void cmp(LIR_Condition condition, LIR_Opr left, LIR_Opr right, CodeEmitInfo* info = NULL) {
2119 append(new LIR_Op2(lir_cmp, condition, left, right, info));
2120 }
cmp(LIR_Condition condition,LIR_Opr left,int right,CodeEmitInfo * info=NULL)2121 void cmp(LIR_Condition condition, LIR_Opr left, int right, CodeEmitInfo* info = NULL) {
2122 cmp(condition, left, LIR_OprFact::intConst(right), info);
2123 }
2124
2125 void cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info);
2126 void cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info);
2127
cmove(LIR_Condition condition,LIR_Opr src1,LIR_Opr src2,LIR_Opr dst,BasicType type)2128 void cmove(LIR_Condition condition, LIR_Opr src1, LIR_Opr src2, LIR_Opr dst, BasicType type) {
2129 append(new LIR_Op2(lir_cmove, condition, src1, src2, dst, type));
2130 }
2131
2132 void cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
2133 LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr);
2134 void cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
2135 LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr);
2136 void cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
2137 LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr);
2138
abs(LIR_Opr from,LIR_Opr to,LIR_Opr tmp)2139 void abs (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_abs , from, tmp, to)); }
negate(LIR_Opr from,LIR_Opr to,LIR_Opr tmp=LIR_OprFact::illegalOpr)2140 void negate(LIR_Opr from, LIR_Opr to, LIR_Opr tmp = LIR_OprFact::illegalOpr) { append(new LIR_Op2(lir_neg, from, tmp, to)); }
sqrt(LIR_Opr from,LIR_Opr to,LIR_Opr tmp)2141 void sqrt(LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_sqrt, from, tmp, to)); }
fmad(LIR_Opr from,LIR_Opr from1,LIR_Opr from2,LIR_Opr to)2142 void fmad(LIR_Opr from, LIR_Opr from1, LIR_Opr from2, LIR_Opr to) { append(new LIR_Op3(lir_fmad, from, from1, from2, to)); }
fmaf(LIR_Opr from,LIR_Opr from1,LIR_Opr from2,LIR_Opr to)2143 void fmaf(LIR_Opr from, LIR_Opr from1, LIR_Opr from2, LIR_Opr to) { append(new LIR_Op3(lir_fmaf, from, from1, from2, to)); }
log10(LIR_Opr from,LIR_Opr to,LIR_Opr tmp)2144 void log10 (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_log10, from, LIR_OprFact::illegalOpr, to, tmp)); }
tan(LIR_Opr from,LIR_Opr to,LIR_Opr tmp1,LIR_Opr tmp2)2145 void tan (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_tan , from, tmp1, to, tmp2)); }
2146
add(LIR_Opr left,LIR_Opr right,LIR_Opr res)2147 void add (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_add, left, right, res)); }
sub(LIR_Opr left,LIR_Opr right,LIR_Opr res,CodeEmitInfo * info=NULL)2148 void sub (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_sub, left, right, res, info)); }
mul(LIR_Opr left,LIR_Opr right,LIR_Opr res)2149 void mul (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_mul, left, right, res)); }
mul_strictfp(LIR_Opr left,LIR_Opr right,LIR_Opr res,LIR_Opr tmp)2150 void mul_strictfp (LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp) { append(new LIR_Op2(lir_mul_strictfp, left, right, res, tmp)); }
div(LIR_Opr left,LIR_Opr right,LIR_Opr res,CodeEmitInfo * info=NULL)2151 void div (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_div, left, right, res, info)); }
div_strictfp(LIR_Opr left,LIR_Opr right,LIR_Opr res,LIR_Opr tmp)2152