Mercurial > hg > truffle
annotate src/share/vm/c1/c1_LIR.hpp @ 3109:3664989976e2
Merge
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Fri, 01 Jul 2011 12:57:10 +0200 |
parents | 13bc79b5c9c8 |
children | 5cceda753a4a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_C1_C1_LIR_HPP |
26 #define SHARE_VM_C1_C1_LIR_HPP | |
27 | |
28 #include "c1/c1_ValueType.hpp" | |
29 | |
0 | 30 class BlockBegin; |
31 class BlockList; | |
32 class LIR_Assembler; | |
33 class CodeEmitInfo; | |
34 class CodeStub; | |
35 class CodeStubList; | |
36 class ArrayCopyStub; | |
37 class LIR_Op; | |
38 class ciType; | |
39 class ValueType; | |
40 class LIR_OpVisitState; | |
41 class FpuStackSim; | |
42 | |
43 //--------------------------------------------------------------------- | |
44 // LIR Operands | |
45 // LIR_OprDesc | |
46 // LIR_OprPtr | |
47 // LIR_Const | |
48 // LIR_Address | |
49 //--------------------------------------------------------------------- | |
50 class LIR_OprDesc; | |
51 class LIR_OprPtr; | |
52 class LIR_Const; | |
53 class LIR_Address; | |
54 class LIR_OprVisitor; | |
55 | |
56 | |
57 typedef LIR_OprDesc* LIR_Opr; | |
58 typedef int RegNr; | |
59 | |
60 define_array(LIR_OprArray, LIR_Opr) | |
61 define_stack(LIR_OprList, LIR_OprArray) | |
62 | |
63 define_array(LIR_OprRefArray, LIR_Opr*) | |
64 define_stack(LIR_OprRefList, LIR_OprRefArray) | |
65 | |
66 define_array(CodeEmitInfoArray, CodeEmitInfo*) | |
67 define_stack(CodeEmitInfoList, CodeEmitInfoArray) | |
68 | |
69 define_array(LIR_OpArray, LIR_Op*) | |
70 define_stack(LIR_OpList, LIR_OpArray) | |
71 | |
72 // define LIR_OprPtr early so LIR_OprDesc can refer to it | |
73 class LIR_OprPtr: public CompilationResourceObj { | |
74 public: | |
75 bool is_oop_pointer() const { return (type() == T_OBJECT); } | |
76 bool is_float_kind() const { BasicType t = type(); return (t == T_FLOAT) || (t == T_DOUBLE); } | |
77 | |
78 virtual LIR_Const* as_constant() { return NULL; } | |
79 virtual LIR_Address* as_address() { return NULL; } | |
80 virtual BasicType type() const = 0; | |
81 virtual void print_value_on(outputStream* out) const = 0; | |
82 }; | |
83 | |
84 | |
85 | |
86 // LIR constants | |
87 class LIR_Const: public LIR_OprPtr { | |
88 private: | |
89 JavaValue _value; | |
90 | |
91 void type_check(BasicType t) const { assert(type() == t, "type check"); } | |
92 void type_check(BasicType t1, BasicType t2) const { assert(type() == t1 || type() == t2, "type check"); } | |
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93 void type_check(BasicType t1, BasicType t2, BasicType t3) const { assert(type() == t1 || type() == t2 || type() == t3, "type check"); } |
0 | 94 |
95 public: | |
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96 LIR_Const(jint i, bool is_address=false) { _value.set_type(is_address?T_ADDRESS:T_INT); _value.set_jint(i); } |
0 | 97 LIR_Const(jlong l) { _value.set_type(T_LONG); _value.set_jlong(l); } |
98 LIR_Const(jfloat f) { _value.set_type(T_FLOAT); _value.set_jfloat(f); } | |
99 LIR_Const(jdouble d) { _value.set_type(T_DOUBLE); _value.set_jdouble(d); } | |
100 LIR_Const(jobject o) { _value.set_type(T_OBJECT); _value.set_jobject(o); } | |
101 LIR_Const(void* p) { | |
102 #ifdef _LP64 | |
103 assert(sizeof(jlong) >= sizeof(p), "too small");; | |
104 _value.set_type(T_LONG); _value.set_jlong((jlong)p); | |
105 #else | |
106 assert(sizeof(jint) >= sizeof(p), "too small");; | |
107 _value.set_type(T_INT); _value.set_jint((jint)p); | |
108 #endif | |
109 } | |
110 | |
111 virtual BasicType type() const { return _value.get_type(); } | |
112 virtual LIR_Const* as_constant() { return this; } | |
113 | |
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114 jint as_jint() const { type_check(T_INT, T_ADDRESS); return _value.get_jint(); } |
0 | 115 jlong as_jlong() const { type_check(T_LONG ); return _value.get_jlong(); } |
116 jfloat as_jfloat() const { type_check(T_FLOAT ); return _value.get_jfloat(); } | |
117 jdouble as_jdouble() const { type_check(T_DOUBLE); return _value.get_jdouble(); } | |
118 jobject as_jobject() const { type_check(T_OBJECT); return _value.get_jobject(); } | |
119 jint as_jint_lo() const { type_check(T_LONG ); return low(_value.get_jlong()); } | |
120 jint as_jint_hi() const { type_check(T_LONG ); return high(_value.get_jlong()); } | |
121 | |
122 #ifdef _LP64 | |
123 address as_pointer() const { type_check(T_LONG ); return (address)_value.get_jlong(); } | |
124 #else | |
125 address as_pointer() const { type_check(T_INT ); return (address)_value.get_jint(); } | |
126 #endif | |
127 | |
128 | |
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129 jint as_jint_bits() const { type_check(T_FLOAT, T_INT, T_ADDRESS); return _value.get_jint(); } |
0 | 130 jint as_jint_lo_bits() const { |
131 if (type() == T_DOUBLE) { | |
132 return low(jlong_cast(_value.get_jdouble())); | |
133 } else { | |
134 return as_jint_lo(); | |
135 } | |
136 } | |
137 jint as_jint_hi_bits() const { | |
138 if (type() == T_DOUBLE) { | |
139 return high(jlong_cast(_value.get_jdouble())); | |
140 } else { | |
141 return as_jint_hi(); | |
142 } | |
143 } | |
304 | 144 jlong as_jlong_bits() const { |
145 if (type() == T_DOUBLE) { | |
146 return jlong_cast(_value.get_jdouble()); | |
147 } else { | |
148 return as_jlong(); | |
149 } | |
150 } | |
0 | 151 |
152 virtual void print_value_on(outputStream* out) const PRODUCT_RETURN; | |
153 | |
154 | |
155 bool is_zero_float() { | |
156 jfloat f = as_jfloat(); | |
157 jfloat ok = 0.0f; | |
158 return jint_cast(f) == jint_cast(ok); | |
159 } | |
160 | |
161 bool is_one_float() { | |
162 jfloat f = as_jfloat(); | |
163 return !g_isnan(f) && g_isfinite(f) && f == 1.0; | |
164 } | |
165 | |
166 bool is_zero_double() { | |
167 jdouble d = as_jdouble(); | |
168 jdouble ok = 0.0; | |
169 return jlong_cast(d) == jlong_cast(ok); | |
170 } | |
171 | |
172 bool is_one_double() { | |
173 jdouble d = as_jdouble(); | |
174 return !g_isnan(d) && g_isfinite(d) && d == 1.0; | |
175 } | |
176 }; | |
177 | |
178 | |
179 //---------------------LIR Operand descriptor------------------------------------ | |
180 // | |
181 // The class LIR_OprDesc represents a LIR instruction operand; | |
182 // it can be a register (ALU/FPU), stack location or a constant; | |
183 // Constants and addresses are represented as resource area allocated | |
184 // structures (see above). | |
185 // Registers and stack locations are inlined into the this pointer | |
186 // (see value function). | |
187 | |
188 class LIR_OprDesc: public CompilationResourceObj { | |
189 public: | |
190 // value structure: | |
191 // data opr-type opr-kind | |
192 // +--------------+-------+-------+ | |
193 // [max...........|7 6 5 4|3 2 1 0] | |
194 // ^ | |
195 // is_pointer bit | |
196 // | |
197 // lowest bit cleared, means it is a structure pointer | |
198 // we need 4 bits to represent types | |
199 | |
200 private: | |
201 friend class LIR_OprFact; | |
202 | |
203 // Conversion | |
204 intptr_t value() const { return (intptr_t) this; } | |
205 | |
206 bool check_value_mask(intptr_t mask, intptr_t masked_value) const { | |
207 return (value() & mask) == masked_value; | |
208 } | |
209 | |
210 enum OprKind { | |
211 pointer_value = 0 | |
212 , stack_value = 1 | |
213 , cpu_register = 3 | |
214 , fpu_register = 5 | |
215 , illegal_value = 7 | |
216 }; | |
217 | |
218 enum OprBits { | |
219 pointer_bits = 1 | |
220 , kind_bits = 3 | |
221 , type_bits = 4 | |
222 , size_bits = 2 | |
223 , destroys_bits = 1 | |
224 , virtual_bits = 1 | |
225 , is_xmm_bits = 1 | |
226 , last_use_bits = 1 | |
227 , is_fpu_stack_offset_bits = 1 // used in assertion checking on x86 for FPU stack slot allocation | |
228 , non_data_bits = kind_bits + type_bits + size_bits + destroys_bits + last_use_bits + | |
229 is_fpu_stack_offset_bits + virtual_bits + is_xmm_bits | |
230 , data_bits = BitsPerInt - non_data_bits | |
231 , reg_bits = data_bits / 2 // for two registers in one value encoding | |
232 }; | |
233 | |
234 enum OprShift { | |
235 kind_shift = 0 | |
236 , type_shift = kind_shift + kind_bits | |
237 , size_shift = type_shift + type_bits | |
238 , destroys_shift = size_shift + size_bits | |
239 , last_use_shift = destroys_shift + destroys_bits | |
240 , is_fpu_stack_offset_shift = last_use_shift + last_use_bits | |
241 , virtual_shift = is_fpu_stack_offset_shift + is_fpu_stack_offset_bits | |
242 , is_xmm_shift = virtual_shift + virtual_bits | |
243 , data_shift = is_xmm_shift + is_xmm_bits | |
244 , reg1_shift = data_shift | |
245 , reg2_shift = data_shift + reg_bits | |
246 | |
247 }; | |
248 | |
249 enum OprSize { | |
250 single_size = 0 << size_shift | |
251 , double_size = 1 << size_shift | |
252 }; | |
253 | |
254 enum OprMask { | |
255 kind_mask = right_n_bits(kind_bits) | |
256 , type_mask = right_n_bits(type_bits) << type_shift | |
257 , size_mask = right_n_bits(size_bits) << size_shift | |
258 , last_use_mask = right_n_bits(last_use_bits) << last_use_shift | |
259 , is_fpu_stack_offset_mask = right_n_bits(is_fpu_stack_offset_bits) << is_fpu_stack_offset_shift | |
260 , virtual_mask = right_n_bits(virtual_bits) << virtual_shift | |
261 , is_xmm_mask = right_n_bits(is_xmm_bits) << is_xmm_shift | |
262 , pointer_mask = right_n_bits(pointer_bits) | |
263 , lower_reg_mask = right_n_bits(reg_bits) | |
264 , no_type_mask = (int)(~(type_mask | last_use_mask | is_fpu_stack_offset_mask)) | |
265 }; | |
266 | |
267 uintptr_t data() const { return value() >> data_shift; } | |
268 int lo_reg_half() const { return data() & lower_reg_mask; } | |
269 int hi_reg_half() const { return (data() >> reg_bits) & lower_reg_mask; } | |
270 OprKind kind_field() const { return (OprKind)(value() & kind_mask); } | |
271 OprSize size_field() const { return (OprSize)(value() & size_mask); } | |
272 | |
273 static char type_char(BasicType t); | |
274 | |
275 public: | |
276 enum { | |
277 vreg_base = ConcreteRegisterImpl::number_of_registers, | |
278 vreg_max = (1 << data_bits) - 1 | |
279 }; | |
280 | |
281 static inline LIR_Opr illegalOpr(); | |
282 | |
283 enum OprType { | |
284 unknown_type = 0 << type_shift // means: not set (catch uninitialized types) | |
285 , int_type = 1 << type_shift | |
286 , long_type = 2 << type_shift | |
287 , object_type = 3 << type_shift | |
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288 , address_type = 4 << type_shift |
0 | 289 , float_type = 5 << type_shift |
290 , double_type = 6 << type_shift | |
291 }; | |
292 friend OprType as_OprType(BasicType t); | |
293 friend BasicType as_BasicType(OprType t); | |
294 | |
295 OprType type_field_valid() const { assert(is_register() || is_stack(), "should not be called otherwise"); return (OprType)(value() & type_mask); } | |
296 OprType type_field() const { return is_illegal() ? unknown_type : (OprType)(value() & type_mask); } | |
297 | |
298 static OprSize size_for(BasicType t) { | |
299 switch (t) { | |
300 case T_LONG: | |
301 case T_DOUBLE: | |
302 return double_size; | |
303 break; | |
304 | |
305 case T_FLOAT: | |
306 case T_BOOLEAN: | |
307 case T_CHAR: | |
308 case T_BYTE: | |
309 case T_SHORT: | |
310 case T_INT: | |
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311 case T_ADDRESS: |
0 | 312 case T_OBJECT: |
313 case T_ARRAY: | |
314 return single_size; | |
315 break; | |
316 | |
317 default: | |
318 ShouldNotReachHere(); | |
304 | 319 return single_size; |
0 | 320 } |
321 } | |
322 | |
323 | |
324 void validate_type() const PRODUCT_RETURN; | |
325 | |
326 BasicType type() const { | |
327 if (is_pointer()) { | |
328 return pointer()->type(); | |
329 } | |
330 return as_BasicType(type_field()); | |
331 } | |
332 | |
333 | |
334 ValueType* value_type() const { return as_ValueType(type()); } | |
335 | |
336 char type_char() const { return type_char((is_pointer()) ? pointer()->type() : type()); } | |
337 | |
338 bool is_equal(LIR_Opr opr) const { return this == opr; } | |
339 // checks whether types are same | |
340 bool is_same_type(LIR_Opr opr) const { | |
341 assert(type_field() != unknown_type && | |
342 opr->type_field() != unknown_type, "shouldn't see unknown_type"); | |
343 return type_field() == opr->type_field(); | |
344 } | |
345 bool is_same_register(LIR_Opr opr) { | |
346 return (is_register() && opr->is_register() && | |
347 kind_field() == opr->kind_field() && | |
348 (value() & no_type_mask) == (opr->value() & no_type_mask)); | |
349 } | |
350 | |
351 bool is_pointer() const { return check_value_mask(pointer_mask, pointer_value); } | |
352 bool is_illegal() const { return kind_field() == illegal_value; } | |
353 bool is_valid() const { return kind_field() != illegal_value; } | |
354 | |
355 bool is_register() const { return is_cpu_register() || is_fpu_register(); } | |
356 bool is_virtual() const { return is_virtual_cpu() || is_virtual_fpu(); } | |
357 | |
358 bool is_constant() const { return is_pointer() && pointer()->as_constant() != NULL; } | |
359 bool is_address() const { return is_pointer() && pointer()->as_address() != NULL; } | |
360 | |
361 bool is_float_kind() const { return is_pointer() ? pointer()->is_float_kind() : (kind_field() == fpu_register); } | |
362 bool is_oop() const; | |
363 | |
364 // semantic for fpu- and xmm-registers: | |
365 // * is_float and is_double return true for xmm_registers | |
366 // (so is_single_fpu and is_single_xmm are true) | |
367 // * So you must always check for is_???_xmm prior to is_???_fpu to | |
368 // distinguish between fpu- and xmm-registers | |
369 | |
370 bool is_stack() const { validate_type(); return check_value_mask(kind_mask, stack_value); } | |
371 bool is_single_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | single_size); } | |
372 bool is_double_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | double_size); } | |
373 | |
374 bool is_cpu_register() const { validate_type(); return check_value_mask(kind_mask, cpu_register); } | |
375 bool is_virtual_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register | virtual_mask); } | |
376 bool is_fixed_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register); } | |
377 bool is_single_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | single_size); } | |
378 bool is_double_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | double_size); } | |
379 | |
380 bool is_fpu_register() const { validate_type(); return check_value_mask(kind_mask, fpu_register); } | |
381 bool is_virtual_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register | virtual_mask); } | |
382 bool is_fixed_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register); } | |
383 bool is_single_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | single_size); } | |
384 bool is_double_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | double_size); } | |
385 | |
386 bool is_xmm_register() const { validate_type(); return check_value_mask(kind_mask | is_xmm_mask, fpu_register | is_xmm_mask); } | |
387 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); } | |
388 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); } | |
389 | |
390 // fast accessor functions for special bits that do not work for pointers | |
391 // (in this functions, the check for is_pointer() is omitted) | |
392 bool is_single_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, single_size); } | |
393 bool is_double_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, double_size); } | |
394 bool is_virtual_register() const { assert(is_register(), "type check"); return check_value_mask(virtual_mask, virtual_mask); } | |
395 bool is_oop_register() const { assert(is_register() || is_stack(), "type check"); return type_field_valid() == object_type; } | |
396 BasicType type_register() const { assert(is_register() || is_stack(), "type check"); return as_BasicType(type_field_valid()); } | |
397 | |
398 bool is_last_use() const { assert(is_register(), "only works for registers"); return (value() & last_use_mask) != 0; } | |
399 bool is_fpu_stack_offset() const { assert(is_register(), "only works for registers"); return (value() & is_fpu_stack_offset_mask) != 0; } | |
400 LIR_Opr make_last_use() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | last_use_mask); } | |
401 LIR_Opr make_fpu_stack_offset() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | is_fpu_stack_offset_mask); } | |
402 | |
403 | |
404 int single_stack_ix() const { assert(is_single_stack() && !is_virtual(), "type check"); return (int)data(); } | |
405 int double_stack_ix() const { assert(is_double_stack() && !is_virtual(), "type check"); return (int)data(); } | |
406 RegNr cpu_regnr() const { assert(is_single_cpu() && !is_virtual(), "type check"); return (RegNr)data(); } | |
407 RegNr cpu_regnrLo() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } | |
408 RegNr cpu_regnrHi() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } | |
409 RegNr fpu_regnr() const { assert(is_single_fpu() && !is_virtual(), "type check"); return (RegNr)data(); } | |
410 RegNr fpu_regnrLo() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } | |
411 RegNr fpu_regnrHi() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } | |
412 RegNr xmm_regnr() const { assert(is_single_xmm() && !is_virtual(), "type check"); return (RegNr)data(); } | |
413 RegNr xmm_regnrLo() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } | |
414 RegNr xmm_regnrHi() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } | |
415 int vreg_number() const { assert(is_virtual(), "type check"); return (RegNr)data(); } | |
416 | |
417 LIR_OprPtr* pointer() const { assert(is_pointer(), "type check"); return (LIR_OprPtr*)this; } | |
418 LIR_Const* as_constant_ptr() const { return pointer()->as_constant(); } | |
419 LIR_Address* as_address_ptr() const { return pointer()->as_address(); } | |
420 | |
421 Register as_register() const; | |
422 Register as_register_lo() const; | |
423 Register as_register_hi() const; | |
424 | |
425 Register as_pointer_register() { | |
426 #ifdef _LP64 | |
427 if (is_double_cpu()) { | |
428 assert(as_register_lo() == as_register_hi(), "should be a single register"); | |
429 return as_register_lo(); | |
430 } | |
431 #endif | |
432 return as_register(); | |
433 } | |
434 | |
304 | 435 #ifdef X86 |
0 | 436 XMMRegister as_xmm_float_reg() const; |
437 XMMRegister as_xmm_double_reg() const; | |
438 // for compatibility with RInfo | |
439 int fpu () const { return lo_reg_half(); } | |
304 | 440 #endif // X86 |
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441 #if defined(SPARC) || defined(ARM) || defined(PPC) |
0 | 442 FloatRegister as_float_reg () const; |
443 FloatRegister as_double_reg () const; | |
444 #endif | |
445 | |
446 jint as_jint() const { return as_constant_ptr()->as_jint(); } | |
447 jlong as_jlong() const { return as_constant_ptr()->as_jlong(); } | |
448 jfloat as_jfloat() const { return as_constant_ptr()->as_jfloat(); } | |
449 jdouble as_jdouble() const { return as_constant_ptr()->as_jdouble(); } | |
450 jobject as_jobject() const { return as_constant_ptr()->as_jobject(); } | |
451 | |
452 void print() const PRODUCT_RETURN; | |
453 void print(outputStream* out) const PRODUCT_RETURN; | |
454 }; | |
455 | |
456 | |
457 inline LIR_OprDesc::OprType as_OprType(BasicType type) { | |
458 switch (type) { | |
459 case T_INT: return LIR_OprDesc::int_type; | |
460 case T_LONG: return LIR_OprDesc::long_type; | |
461 case T_FLOAT: return LIR_OprDesc::float_type; | |
462 case T_DOUBLE: return LIR_OprDesc::double_type; | |
463 case T_OBJECT: | |
464 case T_ARRAY: return LIR_OprDesc::object_type; | |
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465 case T_ADDRESS: return LIR_OprDesc::address_type; |
0 | 466 case T_ILLEGAL: // fall through |
467 default: ShouldNotReachHere(); return LIR_OprDesc::unknown_type; | |
468 } | |
469 } | |
470 | |
471 inline BasicType as_BasicType(LIR_OprDesc::OprType t) { | |
472 switch (t) { | |
473 case LIR_OprDesc::int_type: return T_INT; | |
474 case LIR_OprDesc::long_type: return T_LONG; | |
475 case LIR_OprDesc::float_type: return T_FLOAT; | |
476 case LIR_OprDesc::double_type: return T_DOUBLE; | |
477 case LIR_OprDesc::object_type: return T_OBJECT; | |
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478 case LIR_OprDesc::address_type: return T_ADDRESS; |
0 | 479 case LIR_OprDesc::unknown_type: // fall through |
480 default: ShouldNotReachHere(); return T_ILLEGAL; | |
481 } | |
482 } | |
483 | |
484 | |
485 // LIR_Address | |
486 class LIR_Address: public LIR_OprPtr { | |
487 friend class LIR_OpVisitState; | |
488 | |
489 public: | |
490 // NOTE: currently these must be the log2 of the scale factor (and | |
491 // must also be equivalent to the ScaleFactor enum in | |
492 // assembler_i486.hpp) | |
493 enum Scale { | |
494 times_1 = 0, | |
495 times_2 = 1, | |
496 times_4 = 2, | |
497 times_8 = 3 | |
498 }; | |
499 | |
500 private: | |
501 LIR_Opr _base; | |
502 LIR_Opr _index; | |
503 Scale _scale; | |
504 intx _disp; | |
505 BasicType _type; | |
506 | |
507 public: | |
508 LIR_Address(LIR_Opr base, LIR_Opr index, BasicType type): | |
509 _base(base) | |
510 , _index(index) | |
511 , _scale(times_1) | |
512 , _type(type) | |
513 , _disp(0) { verify(); } | |
514 | |
1572 | 515 LIR_Address(LIR_Opr base, intx disp, BasicType type): |
0 | 516 _base(base) |
517 , _index(LIR_OprDesc::illegalOpr()) | |
518 , _scale(times_1) | |
519 , _type(type) | |
520 , _disp(disp) { verify(); } | |
521 | |
1572 | 522 LIR_Address(LIR_Opr base, BasicType type): |
523 _base(base) | |
524 , _index(LIR_OprDesc::illegalOpr()) | |
525 , _scale(times_1) | |
526 , _type(type) | |
527 , _disp(0) { verify(); } | |
528 | |
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529 #if defined(X86) || defined(ARM) |
1572 | 530 LIR_Address(LIR_Opr base, LIR_Opr index, Scale scale, intx disp, BasicType type): |
0 | 531 _base(base) |
532 , _index(index) | |
533 , _scale(scale) | |
534 , _type(type) | |
535 , _disp(disp) { verify(); } | |
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536 #endif // X86 || ARM |
0 | 537 |
538 LIR_Opr base() const { return _base; } | |
539 LIR_Opr index() const { return _index; } | |
540 Scale scale() const { return _scale; } | |
541 intx disp() const { return _disp; } | |
542 | |
543 bool equals(LIR_Address* other) const { return base() == other->base() && index() == other->index() && disp() == other->disp() && scale() == other->scale(); } | |
544 | |
545 virtual LIR_Address* as_address() { return this; } | |
546 virtual BasicType type() const { return _type; } | |
547 virtual void print_value_on(outputStream* out) const PRODUCT_RETURN; | |
548 | |
549 void verify() const PRODUCT_RETURN; | |
550 | |
551 static Scale scale(BasicType type); | |
552 }; | |
553 | |
554 | |
555 // operand factory | |
556 class LIR_OprFact: public AllStatic { | |
557 public: | |
558 | |
559 static LIR_Opr illegalOpr; | |
560 | |
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561 static LIR_Opr single_cpu(int reg) { |
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562 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
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563 LIR_OprDesc::int_type | |
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564 LIR_OprDesc::cpu_register | |
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565 LIR_OprDesc::single_size); |
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566 } |
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567 static LIR_Opr single_cpu_oop(int reg) { |
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568 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
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569 LIR_OprDesc::object_type | |
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570 LIR_OprDesc::cpu_register | |
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571 LIR_OprDesc::single_size); |
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572 } |
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573 static LIR_Opr single_cpu_address(int reg) { |
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574 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
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575 LIR_OprDesc::address_type | |
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576 LIR_OprDesc::cpu_register | |
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577 LIR_OprDesc::single_size); |
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578 } |
304 | 579 static LIR_Opr double_cpu(int reg1, int reg2) { |
580 LP64_ONLY(assert(reg1 == reg2, "must be identical")); | |
581 return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) | | |
582 (reg2 << LIR_OprDesc::reg2_shift) | | |
583 LIR_OprDesc::long_type | | |
584 LIR_OprDesc::cpu_register | | |
585 LIR_OprDesc::double_size); | |
586 } | |
0 | 587 |
304 | 588 static LIR_Opr single_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
589 LIR_OprDesc::float_type | | |
590 LIR_OprDesc::fpu_register | | |
591 LIR_OprDesc::single_size); } | |
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592 #if defined(ARM) |
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593 static LIR_Opr double_fpu(int reg1, int reg2) { return (LIR_Opr)((reg1 << LIR_OprDesc::reg1_shift) | (reg2 << LIR_OprDesc::reg2_shift) | LIR_OprDesc::double_type | LIR_OprDesc::fpu_register | LIR_OprDesc::double_size); } |
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594 static LIR_Opr single_softfp(int reg) { return (LIR_Opr)((reg << LIR_OprDesc::reg1_shift) | LIR_OprDesc::float_type | LIR_OprDesc::cpu_register | LIR_OprDesc::single_size); } |
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595 static LIR_Opr double_softfp(int reg1, int reg2) { return (LIR_Opr)((reg1 << LIR_OprDesc::reg1_shift) | (reg2 << LIR_OprDesc::reg2_shift) | LIR_OprDesc::double_type | LIR_OprDesc::cpu_register | LIR_OprDesc::double_size); } |
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596 #endif |
0 | 597 #ifdef SPARC |
304 | 598 static LIR_Opr double_fpu(int reg1, int reg2) { return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) | |
599 (reg2 << LIR_OprDesc::reg2_shift) | | |
600 LIR_OprDesc::double_type | | |
601 LIR_OprDesc::fpu_register | | |
602 LIR_OprDesc::double_size); } | |
0 | 603 #endif |
304 | 604 #ifdef X86 |
605 static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | | |
606 (reg << LIR_OprDesc::reg2_shift) | | |
607 LIR_OprDesc::double_type | | |
608 LIR_OprDesc::fpu_register | | |
609 LIR_OprDesc::double_size); } | |
610 | |
611 static LIR_Opr single_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | | |
612 LIR_OprDesc::float_type | | |
613 LIR_OprDesc::fpu_register | | |
614 LIR_OprDesc::single_size | | |
615 LIR_OprDesc::is_xmm_mask); } | |
616 static LIR_Opr double_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | | |
617 (reg << LIR_OprDesc::reg2_shift) | | |
618 LIR_OprDesc::double_type | | |
619 LIR_OprDesc::fpu_register | | |
620 LIR_OprDesc::double_size | | |
621 LIR_OprDesc::is_xmm_mask); } | |
622 #endif // X86 | |
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623 #ifdef PPC |
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624 static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
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625 (reg << LIR_OprDesc::reg2_shift) | |
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626 LIR_OprDesc::double_type | |
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627 LIR_OprDesc::fpu_register | |
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628 LIR_OprDesc::double_size); } |
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629 static LIR_Opr single_softfp(int reg) { return (LIR_Opr)((reg << LIR_OprDesc::reg1_shift) | |
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630 LIR_OprDesc::float_type | |
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631 LIR_OprDesc::cpu_register | |
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632 LIR_OprDesc::single_size); } |
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633 static LIR_Opr double_softfp(int reg1, int reg2) { return (LIR_Opr)((reg2 << LIR_OprDesc::reg1_shift) | |
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634 (reg1 << LIR_OprDesc::reg2_shift) | |
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635 LIR_OprDesc::double_type | |
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636 LIR_OprDesc::cpu_register | |
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637 LIR_OprDesc::double_size); } |
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638 #endif // PPC |
0 | 639 |
640 static LIR_Opr virtual_register(int index, BasicType type) { | |
641 LIR_Opr res; | |
642 switch (type) { | |
643 case T_OBJECT: // fall through | |
304 | 644 case T_ARRAY: |
645 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
646 LIR_OprDesc::object_type | | |
647 LIR_OprDesc::cpu_register | | |
648 LIR_OprDesc::single_size | | |
649 LIR_OprDesc::virtual_mask); | |
650 break; | |
651 | |
652 case T_INT: | |
653 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
654 LIR_OprDesc::int_type | | |
655 LIR_OprDesc::cpu_register | | |
656 LIR_OprDesc::single_size | | |
657 LIR_OprDesc::virtual_mask); | |
658 break; | |
659 | |
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660 case T_ADDRESS: |
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661 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
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662 LIR_OprDesc::address_type | |
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663 LIR_OprDesc::cpu_register | |
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664 LIR_OprDesc::single_size | |
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665 LIR_OprDesc::virtual_mask); |
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666 break; |
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667 |
304 | 668 case T_LONG: |
669 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
670 LIR_OprDesc::long_type | | |
671 LIR_OprDesc::cpu_register | | |
672 LIR_OprDesc::double_size | | |
673 LIR_OprDesc::virtual_mask); | |
674 break; | |
675 | |
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676 #ifdef __SOFTFP__ |
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677 case T_FLOAT: |
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678 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
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679 LIR_OprDesc::float_type | |
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680 LIR_OprDesc::cpu_register | |
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681 LIR_OprDesc::single_size | |
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682 LIR_OprDesc::virtual_mask); |
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683 break; |
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684 case T_DOUBLE: |
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685 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
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686 LIR_OprDesc::double_type | |
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687 LIR_OprDesc::cpu_register | |
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688 LIR_OprDesc::double_size | |
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689 LIR_OprDesc::virtual_mask); |
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690 break; |
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691 #else // __SOFTFP__ |
304 | 692 case T_FLOAT: |
693 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
694 LIR_OprDesc::float_type | | |
695 LIR_OprDesc::fpu_register | | |
696 LIR_OprDesc::single_size | | |
697 LIR_OprDesc::virtual_mask); | |
698 break; | |
699 | |
700 case | |
701 T_DOUBLE: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
702 LIR_OprDesc::double_type | | |
703 LIR_OprDesc::fpu_register | | |
704 LIR_OprDesc::double_size | | |
705 LIR_OprDesc::virtual_mask); | |
706 break; | |
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707 #endif // __SOFTFP__ |
0 | 708 default: ShouldNotReachHere(); res = illegalOpr; |
709 } | |
710 | |
711 #ifdef ASSERT | |
712 res->validate_type(); | |
713 assert(res->vreg_number() == index, "conversion check"); | |
714 assert(index >= LIR_OprDesc::vreg_base, "must start at vreg_base"); | |
715 assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big"); | |
716 | |
717 // old-style calculation; check if old and new method are equal | |
718 LIR_OprDesc::OprType t = as_OprType(type); | |
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719 #ifdef __SOFTFP__ |
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720 LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
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721 t | |
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722 LIR_OprDesc::cpu_register | |
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723 LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask); |
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724 #else // __SOFTFP__ |
304 | 725 LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | t | |
726 ((type == T_FLOAT || type == T_DOUBLE) ? LIR_OprDesc::fpu_register : LIR_OprDesc::cpu_register) | | |
0 | 727 LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask); |
728 assert(res == old_res, "old and new method not equal"); | |
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729 #endif // __SOFTFP__ |
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730 #endif // ASSERT |
0 | 731 |
732 return res; | |
733 } | |
734 | |
735 // 'index' is computed by FrameMap::local_stack_pos(index); do not use other parameters as | |
736 // the index is platform independent; a double stack useing indeces 2 and 3 has always | |
737 // index 2. | |
738 static LIR_Opr stack(int index, BasicType type) { | |
739 LIR_Opr res; | |
740 switch (type) { | |
741 case T_OBJECT: // fall through | |
304 | 742 case T_ARRAY: |
743 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
744 LIR_OprDesc::object_type | | |
745 LIR_OprDesc::stack_value | | |
746 LIR_OprDesc::single_size); | |
747 break; | |
748 | |
749 case T_INT: | |
750 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
751 LIR_OprDesc::int_type | | |
752 LIR_OprDesc::stack_value | | |
753 LIR_OprDesc::single_size); | |
754 break; | |
755 | |
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756 case T_ADDRESS: |
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757 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
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758 LIR_OprDesc::address_type | |
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759 LIR_OprDesc::stack_value | |
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760 LIR_OprDesc::single_size); |
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761 break; |
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762 |
304 | 763 case T_LONG: |
764 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
765 LIR_OprDesc::long_type | | |
766 LIR_OprDesc::stack_value | | |
767 LIR_OprDesc::double_size); | |
768 break; | |
769 | |
770 case T_FLOAT: | |
771 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
772 LIR_OprDesc::float_type | | |
773 LIR_OprDesc::stack_value | | |
774 LIR_OprDesc::single_size); | |
775 break; | |
776 case T_DOUBLE: | |
777 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
778 LIR_OprDesc::double_type | | |
779 LIR_OprDesc::stack_value | | |
780 LIR_OprDesc::double_size); | |
781 break; | |
0 | 782 |
783 default: ShouldNotReachHere(); res = illegalOpr; | |
784 } | |
785 | |
786 #ifdef ASSERT | |
787 assert(index >= 0, "index must be positive"); | |
788 assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big"); | |
789 | |
304 | 790 LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
791 LIR_OprDesc::stack_value | | |
792 as_OprType(type) | | |
793 LIR_OprDesc::size_for(type)); | |
0 | 794 assert(res == old_res, "old and new method not equal"); |
795 #endif | |
796 | |
797 return res; | |
798 } | |
799 | |
800 static LIR_Opr intConst(jint i) { return (LIR_Opr)(new LIR_Const(i)); } | |
801 static LIR_Opr longConst(jlong l) { return (LIR_Opr)(new LIR_Const(l)); } | |
802 static LIR_Opr floatConst(jfloat f) { return (LIR_Opr)(new LIR_Const(f)); } | |
803 static LIR_Opr doubleConst(jdouble d) { return (LIR_Opr)(new LIR_Const(d)); } | |
804 static LIR_Opr oopConst(jobject o) { return (LIR_Opr)(new LIR_Const(o)); } | |
805 static LIR_Opr address(LIR_Address* a) { return (LIR_Opr)a; } | |
806 static LIR_Opr intptrConst(void* p) { return (LIR_Opr)(new LIR_Const(p)); } | |
807 static LIR_Opr intptrConst(intptr_t v) { return (LIR_Opr)(new LIR_Const((void*)v)); } | |
808 static LIR_Opr illegal() { return (LIR_Opr)-1; } | |
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809 static LIR_Opr addressConst(jint i) { return (LIR_Opr)(new LIR_Const(i, true)); } |
0 | 810 |
811 static LIR_Opr value_type(ValueType* type); | |
812 static LIR_Opr dummy_value_type(ValueType* type); | |
813 }; | |
814 | |
815 | |
816 //------------------------------------------------------------------------------- | |
817 // LIR Instructions | |
818 //------------------------------------------------------------------------------- | |
819 // | |
820 // Note: | |
821 // - every instruction has a result operand | |
822 // - every instruction has an CodeEmitInfo operand (can be revisited later) | |
823 // - every instruction has a LIR_OpCode operand | |
824 // - LIR_OpN, means an instruction that has N input operands | |
825 // | |
826 // class hierarchy: | |
827 // | |
828 class LIR_Op; | |
829 class LIR_Op0; | |
830 class LIR_OpLabel; | |
831 class LIR_Op1; | |
832 class LIR_OpBranch; | |
833 class LIR_OpConvert; | |
834 class LIR_OpAllocObj; | |
835 class LIR_OpRoundFP; | |
836 class LIR_Op2; | |
837 class LIR_OpDelay; | |
838 class LIR_Op3; | |
839 class LIR_OpAllocArray; | |
840 class LIR_OpCall; | |
841 class LIR_OpJavaCall; | |
842 class LIR_OpRTCall; | |
843 class LIR_OpArrayCopy; | |
844 class LIR_OpLock; | |
845 class LIR_OpTypeCheck; | |
846 class LIR_OpCompareAndSwap; | |
847 class LIR_OpProfileCall; | |
848 | |
849 | |
850 // LIR operation codes | |
851 enum LIR_Code { | |
852 lir_none | |
853 , begin_op0 | |
854 , lir_word_align | |
855 , lir_label | |
856 , lir_nop | |
857 , lir_backwardbranch_target | |
858 , lir_std_entry | |
859 , lir_osr_entry | |
860 , lir_build_frame | |
861 , lir_fpop_raw | |
862 , lir_24bit_FPU | |
863 , lir_reset_FPU | |
864 , lir_breakpoint | |
865 , lir_rtcall | |
866 , lir_membar | |
867 , lir_membar_acquire | |
868 , lir_membar_release | |
869 , lir_get_thread | |
870 , end_op0 | |
871 , begin_op1 | |
872 , lir_fxch | |
873 , lir_fld | |
874 , lir_ffree | |
875 , lir_push | |
876 , lir_pop | |
877 , lir_null_check | |
878 , lir_return | |
879 , lir_leal | |
880 , lir_neg | |
881 , lir_branch | |
882 , lir_cond_float_branch | |
883 , lir_move | |
884 , lir_prefetchr | |
885 , lir_prefetchw | |
886 , lir_convert | |
887 , lir_alloc_object | |
888 , lir_monaddr | |
889 , lir_roundfp | |
890 , lir_safepoint | |
1783 | 891 , lir_pack64 |
892 , lir_unpack64 | |
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893 , lir_unwind |
0 | 894 , end_op1 |
895 , begin_op2 | |
896 , lir_cmp | |
897 , lir_cmp_l2i | |
898 , lir_ucmp_fd2i | |
899 , lir_cmp_fd2i | |
900 , lir_cmove | |
901 , lir_add | |
902 , lir_sub | |
903 , lir_mul | |
904 , lir_mul_strictfp | |
905 , lir_div | |
906 , lir_div_strictfp | |
907 , lir_rem | |
908 , lir_sqrt | |
909 , lir_abs | |
910 , lir_sin | |
911 , lir_cos | |
912 , lir_tan | |
913 , lir_log | |
914 , lir_log10 | |
915 , lir_logic_and | |
916 , lir_logic_or | |
917 , lir_logic_xor | |
918 , lir_shl | |
919 , lir_shr | |
920 , lir_ushr | |
921 , lir_alloc_array | |
922 , lir_throw | |
923 , lir_compare_to | |
924 , end_op2 | |
925 , begin_op3 | |
926 , lir_idiv | |
927 , lir_irem | |
928 , end_op3 | |
929 , begin_opJavaCall | |
930 , lir_static_call | |
931 , lir_optvirtual_call | |
932 , lir_icvirtual_call | |
933 , lir_virtual_call | |
1295 | 934 , lir_dynamic_call |
0 | 935 , end_opJavaCall |
936 , begin_opArrayCopy | |
937 , lir_arraycopy | |
938 , end_opArrayCopy | |
939 , begin_opLock | |
940 , lir_lock | |
941 , lir_unlock | |
942 , end_opLock | |
943 , begin_delay_slot | |
944 , lir_delay_slot | |
945 , end_delay_slot | |
946 , begin_opTypeCheck | |
947 , lir_instanceof | |
948 , lir_checkcast | |
949 , lir_store_check | |
950 , end_opTypeCheck | |
951 , begin_opCompareAndSwap | |
952 , lir_cas_long | |
953 , lir_cas_obj | |
954 , lir_cas_int | |
955 , end_opCompareAndSwap | |
956 , begin_opMDOProfile | |
957 , lir_profile_call | |
958 , end_opMDOProfile | |
959 }; | |
960 | |
961 | |
962 enum LIR_Condition { | |
963 lir_cond_equal | |
964 , lir_cond_notEqual | |
965 , lir_cond_less | |
966 , lir_cond_lessEqual | |
967 , lir_cond_greaterEqual | |
968 , lir_cond_greater | |
969 , lir_cond_belowEqual | |
970 , lir_cond_aboveEqual | |
971 , lir_cond_always | |
972 , lir_cond_unknown = -1 | |
973 }; | |
974 | |
975 | |
976 enum LIR_PatchCode { | |
977 lir_patch_none, | |
978 lir_patch_low, | |
979 lir_patch_high, | |
980 lir_patch_normal | |
981 }; | |
982 | |
983 | |
984 enum LIR_MoveKind { | |
985 lir_move_normal, | |
986 lir_move_volatile, | |
987 lir_move_unaligned, | |
2002 | 988 lir_move_wide, |
0 | 989 lir_move_max_flag |
990 }; | |
991 | |
992 | |
993 // -------------------------------------------------- | |
994 // LIR_Op | |
995 // -------------------------------------------------- | |
996 class LIR_Op: public CompilationResourceObj { | |
997 friend class LIR_OpVisitState; | |
998 | |
999 #ifdef ASSERT | |
1000 private: | |
1001 const char * _file; | |
1002 int _line; | |
1003 #endif | |
1004 | |
1005 protected: | |
1006 LIR_Opr _result; | |
1007 unsigned short _code; | |
1008 unsigned short _flags; | |
1009 CodeEmitInfo* _info; | |
1010 int _id; // value id for register allocation | |
1011 int _fpu_pop_count; | |
1012 Instruction* _source; // for debugging | |
1013 | |
1014 static void print_condition(outputStream* out, LIR_Condition cond) PRODUCT_RETURN; | |
1015 | |
1016 protected: | |
1017 static bool is_in_range(LIR_Code test, LIR_Code start, LIR_Code end) { return start < test && test < end; } | |
1018 | |
1019 public: | |
1020 LIR_Op() | |
1021 : _result(LIR_OprFact::illegalOpr) | |
1022 , _code(lir_none) | |
1023 , _flags(0) | |
1024 , _info(NULL) | |
1025 #ifdef ASSERT | |
1026 , _file(NULL) | |
1027 , _line(0) | |
1028 #endif | |
1029 , _fpu_pop_count(0) | |
1030 , _source(NULL) | |
1031 , _id(-1) {} | |
1032 | |
1033 LIR_Op(LIR_Code code, LIR_Opr result, CodeEmitInfo* info) | |
1034 : _result(result) | |
1035 , _code(code) | |
1036 , _flags(0) | |
1037 , _info(info) | |
1038 #ifdef ASSERT | |
1039 , _file(NULL) | |
1040 , _line(0) | |
1041 #endif | |
1042 , _fpu_pop_count(0) | |
1043 , _source(NULL) | |
1044 , _id(-1) {} | |
1045 | |
1046 CodeEmitInfo* info() const { return _info; } | |
1047 LIR_Code code() const { return (LIR_Code)_code; } | |
1048 LIR_Opr result_opr() const { return _result; } | |
1049 void set_result_opr(LIR_Opr opr) { _result = opr; } | |
1050 | |
1051 #ifdef ASSERT | |
1052 void set_file_and_line(const char * file, int line) { | |
1053 _file = file; | |
1054 _line = line; | |
1055 } | |
1056 #endif | |
1057 | |
1058 virtual const char * name() const PRODUCT_RETURN0; | |
1059 | |
1060 int id() const { return _id; } | |
1061 void set_id(int id) { _id = id; } | |
1062 | |
1063 // FPU stack simulation helpers -- only used on Intel | |
1064 void set_fpu_pop_count(int count) { assert(count >= 0 && count <= 1, "currently only 0 and 1 are valid"); _fpu_pop_count = count; } | |
1065 int fpu_pop_count() const { return _fpu_pop_count; } | |
1066 bool pop_fpu_stack() { return _fpu_pop_count > 0; } | |
1067 | |
1068 Instruction* source() const { return _source; } | |
1069 void set_source(Instruction* ins) { _source = ins; } | |
1070 | |
1071 virtual void emit_code(LIR_Assembler* masm) = 0; | |
1072 virtual void print_instr(outputStream* out) const = 0; | |
1073 virtual void print_on(outputStream* st) const PRODUCT_RETURN; | |
1074 | |
1075 virtual LIR_OpCall* as_OpCall() { return NULL; } | |
1076 virtual LIR_OpJavaCall* as_OpJavaCall() { return NULL; } | |
1077 virtual LIR_OpLabel* as_OpLabel() { return NULL; } | |
1078 virtual LIR_OpDelay* as_OpDelay() { return NULL; } | |
1079 virtual LIR_OpLock* as_OpLock() { return NULL; } | |
1080 virtual LIR_OpAllocArray* as_OpAllocArray() { return NULL; } | |
1081 virtual LIR_OpAllocObj* as_OpAllocObj() { return NULL; } | |
1082 virtual LIR_OpRoundFP* as_OpRoundFP() { return NULL; } | |
1083 virtual LIR_OpBranch* as_OpBranch() { return NULL; } | |
1084 virtual LIR_OpRTCall* as_OpRTCall() { return NULL; } | |
1085 virtual LIR_OpConvert* as_OpConvert() { return NULL; } | |
1086 virtual LIR_Op0* as_Op0() { return NULL; } | |
1087 virtual LIR_Op1* as_Op1() { return NULL; } | |
1088 virtual LIR_Op2* as_Op2() { return NULL; } | |
1089 virtual LIR_Op3* as_Op3() { return NULL; } | |
1090 virtual LIR_OpArrayCopy* as_OpArrayCopy() { return NULL; } | |
1091 virtual LIR_OpTypeCheck* as_OpTypeCheck() { return NULL; } | |
1092 virtual LIR_OpCompareAndSwap* as_OpCompareAndSwap() { return NULL; } | |
1093 virtual LIR_OpProfileCall* as_OpProfileCall() { return NULL; } | |
1094 | |
1095 virtual void verify() const {} | |
1096 }; | |
1097 | |
1098 // for calls | |
1099 class LIR_OpCall: public LIR_Op { | |
1100 friend class LIR_OpVisitState; | |
1101 | |
1102 protected: | |
1103 address _addr; | |
1104 LIR_OprList* _arguments; | |
1105 protected: | |
1106 LIR_OpCall(LIR_Code code, address addr, LIR_Opr result, | |
1107 LIR_OprList* arguments, CodeEmitInfo* info = NULL) | |
1108 : LIR_Op(code, result, info) | |
1109 , _arguments(arguments) | |
1110 , _addr(addr) {} | |
1111 | |
1112 public: | |
1113 address addr() const { return _addr; } | |
1114 const LIR_OprList* arguments() const { return _arguments; } | |
1115 virtual LIR_OpCall* as_OpCall() { return this; } | |
1116 }; | |
1117 | |
1118 | |
1119 // -------------------------------------------------- | |
1120 // LIR_OpJavaCall | |
1121 // -------------------------------------------------- | |
1122 class LIR_OpJavaCall: public LIR_OpCall { | |
1123 friend class LIR_OpVisitState; | |
1124 | |
1125 private: | |
1564 | 1126 ciMethod* _method; |
1127 LIR_Opr _receiver; | |
1128 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. | |
0 | 1129 |
1130 public: | |
1131 LIR_OpJavaCall(LIR_Code code, ciMethod* method, | |
1132 LIR_Opr receiver, LIR_Opr result, | |
1133 address addr, LIR_OprList* arguments, | |
1134 CodeEmitInfo* info) | |
1135 : LIR_OpCall(code, addr, result, arguments, info) | |
1136 , _receiver(receiver) | |
1564 | 1137 , _method(method) |
1138 , _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr) | |
1139 { assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); } | |
0 | 1140 |
1141 LIR_OpJavaCall(LIR_Code code, ciMethod* method, | |
1142 LIR_Opr receiver, LIR_Opr result, intptr_t vtable_offset, | |
1143 LIR_OprList* arguments, CodeEmitInfo* info) | |
1144 : LIR_OpCall(code, (address)vtable_offset, result, arguments, info) | |
1145 , _receiver(receiver) | |
1564 | 1146 , _method(method) |
1147 , _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr) | |
1148 { assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); } | |
0 | 1149 |
1150 LIR_Opr receiver() const { return _receiver; } | |
1151 ciMethod* method() const { return _method; } | |
1152 | |
1295 | 1153 // JSR 292 support. |
1154 bool is_invokedynamic() const { return code() == lir_dynamic_call; } | |
1155 bool is_method_handle_invoke() const { | |
1156 return | |
1157 is_invokedynamic() // An invokedynamic is always a MethodHandle call site. | |
1158 || | |
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1159 (method()->holder()->name() == ciSymbol::java_lang_invoke_MethodHandle() && |
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1160 methodOopDesc::is_method_handle_invoke_name(method()->name()->sid())); |
1295 | 1161 } |
1162 | |
0 | 1163 intptr_t vtable_offset() const { |
1164 assert(_code == lir_virtual_call, "only have vtable for real vcall"); | |
1165 return (intptr_t) addr(); | |
1166 } | |
1167 | |
1168 virtual void emit_code(LIR_Assembler* masm); | |
1169 virtual LIR_OpJavaCall* as_OpJavaCall() { return this; } | |
1170 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1171 }; | |
1172 | |
1173 // -------------------------------------------------- | |
1174 // LIR_OpLabel | |
1175 // -------------------------------------------------- | |
1176 // Location where a branch can continue | |
1177 class LIR_OpLabel: public LIR_Op { | |
1178 friend class LIR_OpVisitState; | |
1179 | |
1180 private: | |
1181 Label* _label; | |
1182 public: | |
1183 LIR_OpLabel(Label* lbl) | |
1184 : LIR_Op(lir_label, LIR_OprFact::illegalOpr, NULL) | |
1185 , _label(lbl) {} | |
1186 Label* label() const { return _label; } | |
1187 | |
1188 virtual void emit_code(LIR_Assembler* masm); | |
1189 virtual LIR_OpLabel* as_OpLabel() { return this; } | |
1190 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1191 }; | |
1192 | |
1193 // LIR_OpArrayCopy | |
1194 class LIR_OpArrayCopy: public LIR_Op { | |
1195 friend class LIR_OpVisitState; | |
1196 | |
1197 private: | |
1198 ArrayCopyStub* _stub; | |
1199 LIR_Opr _src; | |
1200 LIR_Opr _src_pos; | |
1201 LIR_Opr _dst; | |
1202 LIR_Opr _dst_pos; | |
1203 LIR_Opr _length; | |
1204 LIR_Opr _tmp; | |
1205 ciArrayKlass* _expected_type; | |
1206 int _flags; | |
1207 | |
1208 public: | |
1209 enum Flags { | |
1210 src_null_check = 1 << 0, | |
1211 dst_null_check = 1 << 1, | |
1212 src_pos_positive_check = 1 << 2, | |
1213 dst_pos_positive_check = 1 << 3, | |
1214 length_positive_check = 1 << 4, | |
1215 src_range_check = 1 << 5, | |
1216 dst_range_check = 1 << 6, | |
1217 type_check = 1 << 7, | |
2446 | 1218 overlapping = 1 << 8, |
1219 unaligned = 1 << 9, | |
1220 src_objarray = 1 << 10, | |
1221 dst_objarray = 1 << 11, | |
1222 all_flags = (1 << 12) - 1 | |
0 | 1223 }; |
1224 | |
1225 LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, LIR_Opr tmp, | |
1226 ciArrayKlass* expected_type, int flags, CodeEmitInfo* info); | |
1227 | |
1228 LIR_Opr src() const { return _src; } | |
1229 LIR_Opr src_pos() const { return _src_pos; } | |
1230 LIR_Opr dst() const { return _dst; } | |
1231 LIR_Opr dst_pos() const { return _dst_pos; } | |
1232 LIR_Opr length() const { return _length; } | |
1233 LIR_Opr tmp() const { return _tmp; } | |
1234 int flags() const { return _flags; } | |
1235 ciArrayKlass* expected_type() const { return _expected_type; } | |
1236 ArrayCopyStub* stub() const { return _stub; } | |
1237 | |
1238 virtual void emit_code(LIR_Assembler* masm); | |
1239 virtual LIR_OpArrayCopy* as_OpArrayCopy() { return this; } | |
1240 void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1241 }; | |
1242 | |
1243 | |
1244 // -------------------------------------------------- | |
1245 // LIR_Op0 | |
1246 // -------------------------------------------------- | |
1247 class LIR_Op0: public LIR_Op { | |
1248 friend class LIR_OpVisitState; | |
1249 | |
1250 public: | |
1251 LIR_Op0(LIR_Code code) | |
1252 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) { assert(is_in_range(code, begin_op0, end_op0), "code check"); } | |
1253 LIR_Op0(LIR_Code code, LIR_Opr result, CodeEmitInfo* info = NULL) | |
1254 : LIR_Op(code, result, info) { assert(is_in_range(code, begin_op0, end_op0), "code check"); } | |
1255 | |
1256 virtual void emit_code(LIR_Assembler* masm); | |
1257 virtual LIR_Op0* as_Op0() { return this; } | |
1258 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1259 }; | |
1260 | |
1261 | |
1262 // -------------------------------------------------- | |
1263 // LIR_Op1 | |
1264 // -------------------------------------------------- | |
1265 | |
1266 class LIR_Op1: public LIR_Op { | |
1267 friend class LIR_OpVisitState; | |
1268 | |
1269 protected: | |
1270 LIR_Opr _opr; // input operand | |
1271 BasicType _type; // Operand types | |
1272 LIR_PatchCode _patch; // only required with patchin (NEEDS_CLEANUP: do we want a special instruction for patching?) | |
1273 | |
1274 static void print_patch_code(outputStream* out, LIR_PatchCode code); | |
1275 | |
1276 void set_kind(LIR_MoveKind kind) { | |
1277 assert(code() == lir_move, "must be"); | |
1278 _flags = kind; | |
1279 } | |
1280 | |
1281 public: | |
1282 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) | |
1283 : LIR_Op(code, result, info) | |
1284 , _opr(opr) | |
1285 , _patch(patch) | |
1286 , _type(type) { assert(is_in_range(code, begin_op1, end_op1), "code check"); } | |
1287 | |
1288 LIR_Op1(LIR_Code code, LIR_Opr opr, LIR_Opr result, BasicType type, LIR_PatchCode patch, CodeEmitInfo* info, LIR_MoveKind kind) | |
1289 : LIR_Op(code, result, info) | |
1290 , _opr(opr) | |
1291 , _patch(patch) | |
1292 , _type(type) { | |
1293 assert(code == lir_move, "must be"); | |
1294 set_kind(kind); | |
1295 } | |
1296 | |
1297 LIR_Op1(LIR_Code code, LIR_Opr opr, CodeEmitInfo* info) | |
1298 : LIR_Op(code, LIR_OprFact::illegalOpr, info) | |
1299 , _opr(opr) | |
1300 , _patch(lir_patch_none) | |
1301 , _type(T_ILLEGAL) { assert(is_in_range(code, begin_op1, end_op1), "code check"); } | |
1302 | |
1303 LIR_Opr in_opr() const { return _opr; } | |
1304 LIR_PatchCode patch_code() const { return _patch; } | |
1305 BasicType type() const { return _type; } | |
1306 | |
1307 LIR_MoveKind move_kind() const { | |
1308 assert(code() == lir_move, "must be"); | |
1309 return (LIR_MoveKind)_flags; | |
1310 } | |
1311 | |
1312 virtual void emit_code(LIR_Assembler* masm); | |
1313 virtual LIR_Op1* as_Op1() { return this; } | |
1314 virtual const char * name() const PRODUCT_RETURN0; | |
1315 | |
1316 void set_in_opr(LIR_Opr opr) { _opr = opr; } | |
1317 | |
1318 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1319 virtual void verify() const; | |
1320 }; | |
1321 | |
1322 | |
1323 // for runtime calls | |
1324 class LIR_OpRTCall: public LIR_OpCall { | |
1325 friend class LIR_OpVisitState; | |
1326 | |
1327 private: | |
1328 LIR_Opr _tmp; | |
1329 public: | |
1330 LIR_OpRTCall(address addr, LIR_Opr tmp, | |
1331 LIR_Opr result, LIR_OprList* arguments, CodeEmitInfo* info = NULL) | |
1332 : LIR_OpCall(lir_rtcall, addr, result, arguments, info) | |
1333 , _tmp(tmp) {} | |
1334 | |
1335 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1336 virtual void emit_code(LIR_Assembler* masm); | |
1337 virtual LIR_OpRTCall* as_OpRTCall() { return this; } | |
1338 | |
1339 LIR_Opr tmp() const { return _tmp; } | |
1340 | |
1341 virtual void verify() const; | |
1342 }; | |
1343 | |
1344 | |
1345 class LIR_OpBranch: public LIR_Op { | |
1346 friend class LIR_OpVisitState; | |
1347 | |
1348 private: | |
1349 LIR_Condition _cond; | |
1350 BasicType _type; | |
1351 Label* _label; | |
1352 BlockBegin* _block; // if this is a branch to a block, this is the block | |
1353 BlockBegin* _ublock; // if this is a float-branch, this is the unorderd block | |
1354 CodeStub* _stub; // if this is a branch to a stub, this is the stub | |
1355 | |
1356 public: | |
1357 LIR_OpBranch(LIR_Condition cond, Label* lbl) | |
1358 : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*) NULL) | |
1359 , _cond(cond) | |
1360 , _label(lbl) | |
1361 , _block(NULL) | |
1362 , _ublock(NULL) | |
1363 , _stub(NULL) { } | |
1364 | |
1365 LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block); | |
1366 LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub); | |
1367 | |
1368 // for unordered comparisons | |
1369 LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock); | |
1370 | |
1371 LIR_Condition cond() const { return _cond; } | |
1372 BasicType type() const { return _type; } | |
1373 Label* label() const { return _label; } | |
1374 BlockBegin* block() const { return _block; } | |
1375 BlockBegin* ublock() const { return _ublock; } | |
1376 CodeStub* stub() const { return _stub; } | |
1377 | |
1378 void change_block(BlockBegin* b); | |
1379 void change_ublock(BlockBegin* b); | |
1380 void negate_cond(); | |
1381 | |
1382 virtual void emit_code(LIR_Assembler* masm); | |
1383 virtual LIR_OpBranch* as_OpBranch() { return this; } | |
1384 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1385 }; | |
1386 | |
1387 | |
1388 class ConversionStub; | |
1389 | |
1390 class LIR_OpConvert: public LIR_Op1 { | |
1391 friend class LIR_OpVisitState; | |
1392 | |
1393 private: | |
1394 Bytecodes::Code _bytecode; | |
1395 ConversionStub* _stub; | |
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1396 #ifdef PPC |
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1397 LIR_Opr _tmp1; |
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1398 LIR_Opr _tmp2; |
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1399 #endif |
0 | 1400 |
1401 public: | |
1402 LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub) | |
1403 : LIR_Op1(lir_convert, opr, result) | |
1404 , _stub(stub) | |
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1405 #ifdef PPC |
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1406 , _tmp1(LIR_OprDesc::illegalOpr()) |
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1407 , _tmp2(LIR_OprDesc::illegalOpr()) |
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1408 #endif |
0 | 1409 , _bytecode(code) {} |
1410 | |
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1411 #ifdef PPC |
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1412 LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub |
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1413 ,LIR_Opr tmp1, LIR_Opr tmp2) |
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1414 : LIR_Op1(lir_convert, opr, result) |
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1415 , _stub(stub) |
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1416 , _tmp1(tmp1) |
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1417 , _tmp2(tmp2) |
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1418 , _bytecode(code) {} |
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1419 #endif |
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1420 |
0 | 1421 Bytecodes::Code bytecode() const { return _bytecode; } |
1422 ConversionStub* stub() const { return _stub; } | |
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1423 #ifdef PPC |
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1424 LIR_Opr tmp1() const { return _tmp1; } |
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1425 LIR_Opr tmp2() const { return _tmp2; } |
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1426 #endif |
0 | 1427 |
1428 virtual void emit_code(LIR_Assembler* masm); | |
1429 virtual LIR_OpConvert* as_OpConvert() { return this; } | |
1430 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1431 | |
1432 static void print_bytecode(outputStream* out, Bytecodes::Code code) PRODUCT_RETURN; | |
1433 }; | |
1434 | |
1435 | |
1436 // LIR_OpAllocObj | |
1437 class LIR_OpAllocObj : public LIR_Op1 { | |
1438 friend class LIR_OpVisitState; | |
1439 | |
1440 private: | |
1441 LIR_Opr _tmp1; | |
1442 LIR_Opr _tmp2; | |
1443 LIR_Opr _tmp3; | |
1444 LIR_Opr _tmp4; | |
1445 int _hdr_size; | |
1446 int _obj_size; | |
1447 CodeStub* _stub; | |
1448 bool _init_check; | |
1449 | |
1450 public: | |
1451 LIR_OpAllocObj(LIR_Opr klass, LIR_Opr result, | |
1452 LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, | |
1453 int hdr_size, int obj_size, bool init_check, CodeStub* stub) | |
1454 : LIR_Op1(lir_alloc_object, klass, result) | |
1455 , _tmp1(t1) | |
1456 , _tmp2(t2) | |
1457 , _tmp3(t3) | |
1458 , _tmp4(t4) | |
1459 , _hdr_size(hdr_size) | |
1460 , _obj_size(obj_size) | |
1461 , _init_check(init_check) | |
1462 , _stub(stub) { } | |
1463 | |
1464 LIR_Opr klass() const { return in_opr(); } | |
1465 LIR_Opr obj() const { return result_opr(); } | |
1466 LIR_Opr tmp1() const { return _tmp1; } | |
1467 LIR_Opr tmp2() const { return _tmp2; } | |
1468 LIR_Opr tmp3() const { return _tmp3; } | |
1469 LIR_Opr tmp4() const { return _tmp4; } | |
1470 int header_size() const { return _hdr_size; } | |
1471 int object_size() const { return _obj_size; } | |
1472 bool init_check() const { return _init_check; } | |
1473 CodeStub* stub() const { return _stub; } | |
1474 | |
1475 virtual void emit_code(LIR_Assembler* masm); | |
1476 virtual LIR_OpAllocObj * as_OpAllocObj () { return this; } | |
1477 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1478 }; | |
1479 | |
1480 | |
1481 // LIR_OpRoundFP | |
1482 class LIR_OpRoundFP : public LIR_Op1 { | |
1483 friend class LIR_OpVisitState; | |
1484 | |
1485 private: | |
1486 LIR_Opr _tmp; | |
1487 | |
1488 public: | |
1489 LIR_OpRoundFP(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) | |
1490 : LIR_Op1(lir_roundfp, reg, result) | |
1491 , _tmp(stack_loc_temp) {} | |
1492 | |
1493 LIR_Opr tmp() const { return _tmp; } | |
1494 virtual LIR_OpRoundFP* as_OpRoundFP() { return this; } | |
1495 void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1496 }; | |
1497 | |
1498 // LIR_OpTypeCheck | |
1499 class LIR_OpTypeCheck: public LIR_Op { | |
1500 friend class LIR_OpVisitState; | |
1501 | |
1502 private: | |
1503 LIR_Opr _object; | |
1504 LIR_Opr _array; | |
1505 ciKlass* _klass; | |
1506 LIR_Opr _tmp1; | |
1507 LIR_Opr _tmp2; | |
1508 LIR_Opr _tmp3; | |
1509 bool _fast_check; | |
1510 CodeEmitInfo* _info_for_patch; | |
1511 CodeEmitInfo* _info_for_exception; | |
1512 CodeStub* _stub; | |
1513 ciMethod* _profiled_method; | |
1514 int _profiled_bci; | |
1783 | 1515 bool _should_profile; |
0 | 1516 |
1517 public: | |
1518 LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, | |
1519 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, | |
1783 | 1520 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub); |
0 | 1521 LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array, |
1783 | 1522 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception); |
0 | 1523 |
1524 LIR_Opr object() const { return _object; } | |
1525 LIR_Opr array() const { assert(code() == lir_store_check, "not valid"); return _array; } | |
1526 LIR_Opr tmp1() const { return _tmp1; } | |
1527 LIR_Opr tmp2() const { return _tmp2; } | |
1528 LIR_Opr tmp3() const { return _tmp3; } | |
1529 ciKlass* klass() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _klass; } | |
1530 bool fast_check() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _fast_check; } | |
1531 CodeEmitInfo* info_for_patch() const { return _info_for_patch; } | |
1532 CodeEmitInfo* info_for_exception() const { return _info_for_exception; } | |
1533 CodeStub* stub() const { return _stub; } | |
1534 | |
1535 // methodDataOop profiling | |
1783 | 1536 void set_profiled_method(ciMethod *method) { _profiled_method = method; } |
1537 void set_profiled_bci(int bci) { _profiled_bci = bci; } | |
1538 void set_should_profile(bool b) { _should_profile = b; } | |
1539 ciMethod* profiled_method() const { return _profiled_method; } | |
1540 int profiled_bci() const { return _profiled_bci; } | |
1541 bool should_profile() const { return _should_profile; } | |
0 | 1542 |
1543 virtual void emit_code(LIR_Assembler* masm); | |
1544 virtual LIR_OpTypeCheck* as_OpTypeCheck() { return this; } | |
1545 void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1546 }; | |
1547 | |
1548 // LIR_Op2 | |
1549 class LIR_Op2: public LIR_Op { | |
1550 friend class LIR_OpVisitState; | |
1551 | |
1552 int _fpu_stack_size; // for sin/cos implementation on Intel | |
1553 | |
1554 protected: | |
1555 LIR_Opr _opr1; | |
1556 LIR_Opr _opr2; | |
1557 BasicType _type; | |
1558 LIR_Opr _tmp; | |
1559 LIR_Condition _condition; | |
1560 | |
1561 void verify() const; | |
1562 | |
1563 public: | |
1564 LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, CodeEmitInfo* info = NULL) | |
1565 : LIR_Op(code, LIR_OprFact::illegalOpr, info) | |
1566 , _opr1(opr1) | |
1567 , _opr2(opr2) | |
1568 , _type(T_ILLEGAL) | |
1569 , _condition(condition) | |
1570 , _fpu_stack_size(0) | |
1571 , _tmp(LIR_OprFact::illegalOpr) { | |
1572 assert(code == lir_cmp, "code check"); | |
1573 } | |
1574 | |
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1575 LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, BasicType type) |
0 | 1576 : LIR_Op(code, result, NULL) |
1577 , _opr1(opr1) | |
1578 , _opr2(opr2) | |
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1579 , _type(type) |
0 | 1580 , _condition(condition) |
1581 , _fpu_stack_size(0) | |
1582 , _tmp(LIR_OprFact::illegalOpr) { | |
1583 assert(code == lir_cmove, "code check"); | |
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1584 assert(type != T_ILLEGAL, "cmove should have type"); |
0 | 1585 } |
1586 | |
1587 LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result = LIR_OprFact::illegalOpr, | |
1588 CodeEmitInfo* info = NULL, BasicType type = T_ILLEGAL) | |
1589 : LIR_Op(code, result, info) | |
1590 , _opr1(opr1) | |
1591 , _opr2(opr2) | |
1592 , _type(type) | |
1593 , _condition(lir_cond_unknown) | |
1594 , _fpu_stack_size(0) | |
1595 , _tmp(LIR_OprFact::illegalOpr) { | |
1596 assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check"); | |
1597 } | |
1598 | |
1599 LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, LIR_Opr tmp) | |
1600 : LIR_Op(code, result, NULL) | |
1601 , _opr1(opr1) | |
1602 , _opr2(opr2) | |
1603 , _type(T_ILLEGAL) | |
1604 , _condition(lir_cond_unknown) | |
1605 , _fpu_stack_size(0) | |
1606 , _tmp(tmp) { | |
1607 assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check"); | |
1608 } | |
1609 | |
1610 LIR_Opr in_opr1() const { return _opr1; } | |
1611 LIR_Opr in_opr2() const { return _opr2; } | |
1612 BasicType type() const { return _type; } | |
1613 LIR_Opr tmp_opr() const { return _tmp; } | |
1614 LIR_Condition condition() const { | |
1615 assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); return _condition; | |
1616 } | |
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1617 void set_condition(LIR_Condition condition) { |
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1618 assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); _condition = condition; |
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1619 } |
0 | 1620 |
1621 void set_fpu_stack_size(int size) { _fpu_stack_size = size; } | |
1622 int fpu_stack_size() const { return _fpu_stack_size; } | |
1623 | |
1624 void set_in_opr1(LIR_Opr opr) { _opr1 = opr; } | |
1625 void set_in_opr2(LIR_Opr opr) { _opr2 = opr; } | |
1626 | |
1627 virtual void emit_code(LIR_Assembler* masm); | |
1628 virtual LIR_Op2* as_Op2() { return this; } | |
1629 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1630 }; | |
1631 | |
1632 class LIR_OpAllocArray : public LIR_Op { | |
1633 friend class LIR_OpVisitState; | |
1634 | |
1635 private: | |
1636 LIR_Opr _klass; | |
1637 LIR_Opr _len; | |
1638 LIR_Opr _tmp1; | |
1639 LIR_Opr _tmp2; | |
1640 LIR_Opr _tmp3; | |
1641 LIR_Opr _tmp4; | |
1642 BasicType _type; | |
1643 CodeStub* _stub; | |
1644 | |
1645 public: | |
1646 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) | |
1647 : LIR_Op(lir_alloc_array, result, NULL) | |
1648 , _klass(klass) | |
1649 , _len(len) | |
1650 , _tmp1(t1) | |
1651 , _tmp2(t2) | |
1652 , _tmp3(t3) | |
1653 , _tmp4(t4) | |
1654 , _type(type) | |
1655 , _stub(stub) {} | |
1656 | |
1657 LIR_Opr klass() const { return _klass; } | |
1658 LIR_Opr len() const { return _len; } | |
1659 LIR_Opr obj() const { return result_opr(); } | |
1660 LIR_Opr tmp1() const { return _tmp1; } | |
1661 LIR_Opr tmp2() const { return _tmp2; } | |
1662 LIR_Opr tmp3() const { return _tmp3; } | |
1663 LIR_Opr tmp4() const { return _tmp4; } | |
1664 BasicType type() const { return _type; } | |
1665 CodeStub* stub() const { return _stub; } | |
1666 | |
1667 virtual void emit_code(LIR_Assembler* masm); | |
1668 virtual LIR_OpAllocArray * as_OpAllocArray () { return this; } | |
1669 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1670 }; | |
1671 | |
1672 | |
1673 class LIR_Op3: public LIR_Op { | |
1674 friend class LIR_OpVisitState; | |
1675 | |
1676 private: | |
1677 LIR_Opr _opr1; | |
1678 LIR_Opr _opr2; | |
1679 LIR_Opr _opr3; | |
1680 public: | |
1681 LIR_Op3(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr opr3, LIR_Opr result, CodeEmitInfo* info = NULL) | |
1682 : LIR_Op(code, result, info) | |
1683 , _opr1(opr1) | |
1684 , _opr2(opr2) | |
1685 , _opr3(opr3) { assert(is_in_range(code, begin_op3, end_op3), "code check"); } | |
1686 LIR_Opr in_opr1() const { return _opr1; } | |
1687 LIR_Opr in_opr2() const { return _opr2; } | |
1688 LIR_Opr in_opr3() const { return _opr3; } | |
1689 | |
1690 virtual void emit_code(LIR_Assembler* masm); | |
1691 virtual LIR_Op3* as_Op3() { return this; } | |
1692 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1693 }; | |
1694 | |
1695 | |
1696 //-------------------------------- | |
1697 class LabelObj: public CompilationResourceObj { | |
1698 private: | |
1699 Label _label; | |
1700 public: | |
1701 LabelObj() {} | |
1702 Label* label() { return &_label; } | |
1703 }; | |
1704 | |
1705 | |
1706 class LIR_OpLock: public LIR_Op { | |
1707 friend class LIR_OpVisitState; | |
1708 | |
1709 private: | |
1710 LIR_Opr _hdr; | |
1711 LIR_Opr _obj; | |
1712 LIR_Opr _lock; | |
1713 LIR_Opr _scratch; | |
1714 CodeStub* _stub; | |
1715 public: | |
1716 LIR_OpLock(LIR_Code code, LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) | |
1717 : LIR_Op(code, LIR_OprFact::illegalOpr, info) | |
1718 , _hdr(hdr) | |
1719 , _obj(obj) | |
1720 , _lock(lock) | |
1721 , _scratch(scratch) | |
1722 , _stub(stub) {} | |
1723 | |
1724 LIR_Opr hdr_opr() const { return _hdr; } | |
1725 LIR_Opr obj_opr() const { return _obj; } | |
1726 LIR_Opr lock_opr() const { return _lock; } | |
1727 LIR_Opr scratch_opr() const { return _scratch; } | |
1728 CodeStub* stub() const { return _stub; } | |
1729 | |
1730 virtual void emit_code(LIR_Assembler* masm); | |
1731 virtual LIR_OpLock* as_OpLock() { return this; } | |
1732 void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1733 }; | |
1734 | |
1735 | |
1736 class LIR_OpDelay: public LIR_Op { | |
1737 friend class LIR_OpVisitState; | |
1738 | |
1739 private: | |
1740 LIR_Op* _op; | |
1741 | |
1742 public: | |
1743 LIR_OpDelay(LIR_Op* op, CodeEmitInfo* info): | |
1744 LIR_Op(lir_delay_slot, LIR_OprFact::illegalOpr, info), | |
1745 _op(op) { | |
1746 assert(op->code() == lir_nop || LIRFillDelaySlots, "should be filling with nops"); | |
1747 } | |
1748 virtual void emit_code(LIR_Assembler* masm); | |
1749 virtual LIR_OpDelay* as_OpDelay() { return this; } | |
1750 void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1751 LIR_Op* delay_op() const { return _op; } | |
1752 CodeEmitInfo* call_info() const { return info(); } | |
1753 }; | |
1754 | |
1755 | |
1756 // LIR_OpCompareAndSwap | |
1757 class LIR_OpCompareAndSwap : public LIR_Op { | |
1758 friend class LIR_OpVisitState; | |
1759 | |
1760 private: | |
1761 LIR_Opr _addr; | |
1762 LIR_Opr _cmp_value; | |
1763 LIR_Opr _new_value; | |
1764 LIR_Opr _tmp1; | |
1765 LIR_Opr _tmp2; | |
1766 | |
1767 public: | |
1681
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1768 LIR_OpCompareAndSwap(LIR_Code code, LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, |
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1769 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) |
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1770 : LIR_Op(code, result, NULL) // no result, no info |
0 | 1771 , _addr(addr) |
1772 , _cmp_value(cmp_value) | |
1773 , _new_value(new_value) | |
1774 , _tmp1(t1) | |
1775 , _tmp2(t2) { } | |
1776 | |
1777 LIR_Opr addr() const { return _addr; } | |
1778 LIR_Opr cmp_value() const { return _cmp_value; } | |
1779 LIR_Opr new_value() const { return _new_value; } | |
1780 LIR_Opr tmp1() const { return _tmp1; } | |
1781 LIR_Opr tmp2() const { return _tmp2; } | |
1782 | |
1783 virtual void emit_code(LIR_Assembler* masm); | |
1784 virtual LIR_OpCompareAndSwap * as_OpCompareAndSwap () { return this; } | |
1785 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1786 }; | |
1787 | |
1788 // LIR_OpProfileCall | |
1789 class LIR_OpProfileCall : public LIR_Op { | |
1790 friend class LIR_OpVisitState; | |
1791 | |
1792 private: | |
1793 ciMethod* _profiled_method; | |
1794 int _profiled_bci; | |
1795 LIR_Opr _mdo; | |
1796 LIR_Opr _recv; | |
1797 LIR_Opr _tmp1; | |
1798 ciKlass* _known_holder; | |
1799 | |
1800 public: | |
1801 // Destroys recv | |
1802 LIR_OpProfileCall(LIR_Code code, ciMethod* profiled_method, int profiled_bci, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* known_holder) | |
1803 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) // no result, no info | |
1804 , _profiled_method(profiled_method) | |
1805 , _profiled_bci(profiled_bci) | |
1806 , _mdo(mdo) | |
1807 , _recv(recv) | |
1808 , _tmp1(t1) | |
1809 , _known_holder(known_holder) { } | |
1810 | |
1811 ciMethod* profiled_method() const { return _profiled_method; } | |
1812 int profiled_bci() const { return _profiled_bci; } | |
1813 LIR_Opr mdo() const { return _mdo; } | |
1814 LIR_Opr recv() const { return _recv; } | |
1815 LIR_Opr tmp1() const { return _tmp1; } | |
1816 ciKlass* known_holder() const { return _known_holder; } | |
1817 | |
1818 virtual void emit_code(LIR_Assembler* masm); | |
1819 virtual LIR_OpProfileCall* as_OpProfileCall() { return this; } | |
1820 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1821 }; | |
1822 | |
1823 class LIR_InsertionBuffer; | |
1824 | |
1825 //--------------------------------LIR_List--------------------------------------------------- | |
1826 // Maintains a list of LIR instructions (one instance of LIR_List per basic block) | |
1827 // The LIR instructions are appended by the LIR_List class itself; | |
1828 // | |
1829 // Notes: | |
1830 // - all offsets are(should be) in bytes | |
1831 // - local positions are specified with an offset, with offset 0 being local 0 | |
1832 | |
1833 class LIR_List: public CompilationResourceObj { | |
1834 private: | |
1835 LIR_OpList _operations; | |
1836 | |
1837 Compilation* _compilation; | |
1838 #ifndef PRODUCT | |
1839 BlockBegin* _block; | |
1840 #endif | |
1841 #ifdef ASSERT | |
1842 const char * _file; | |
1843 int _line; | |
1844 #endif | |
1845 | |
1846 void append(LIR_Op* op) { | |
1847 if (op->source() == NULL) | |
1848 op->set_source(_compilation->current_instruction()); | |
1849 #ifndef PRODUCT | |
1850 if (PrintIRWithLIR) { | |
1851 _compilation->maybe_print_current_instruction(); | |
1852 op->print(); tty->cr(); | |
1853 } | |
1854 #endif // PRODUCT | |
1855 | |
1856 _operations.append(op); | |
1857 | |
1858 #ifdef ASSERT | |
1859 op->verify(); | |
1860 op->set_file_and_line(_file, _line); | |
1861 _file = NULL; | |
1862 _line = 0; | |
1863 #endif | |
1864 } | |
1865 | |
1866 public: | |
1867 LIR_List(Compilation* compilation, BlockBegin* block = NULL); | |
1868 | |
1869 #ifdef ASSERT | |
1870 void set_file_and_line(const char * file, int line); | |
1871 #endif | |
1872 | |
1873 //---------- accessors --------------- | |
1874 LIR_OpList* instructions_list() { return &_operations; } | |
1875 int length() const { return _operations.length(); } | |
1876 LIR_Op* at(int i) const { return _operations.at(i); } | |
1877 | |
1878 NOT_PRODUCT(BlockBegin* block() const { return _block; }); | |
1879 | |
1880 // insert LIR_Ops in buffer to right places in LIR_List | |
1881 void append(LIR_InsertionBuffer* buffer); | |
1882 | |
1883 //---------- mutators --------------- | |
1884 void insert_before(int i, LIR_List* op_list) { _operations.insert_before(i, op_list->instructions_list()); } | |
1885 void insert_before(int i, LIR_Op* op) { _operations.insert_before(i, op); } | |
1783 | 1886 void remove_at(int i) { _operations.remove_at(i); } |
0 | 1887 |
1888 //---------- printing ------------- | |
1889 void print_instructions() PRODUCT_RETURN; | |
1890 | |
1891 | |
1892 //---------- instructions ------------- | |
1893 void call_opt_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, | |
1894 address dest, LIR_OprList* arguments, | |
1895 CodeEmitInfo* info) { | |
1896 append(new LIR_OpJavaCall(lir_optvirtual_call, method, receiver, result, dest, arguments, info)); | |
1897 } | |
1898 void call_static(ciMethod* method, LIR_Opr result, | |
1899 address dest, LIR_OprList* arguments, CodeEmitInfo* info) { | |
1900 append(new LIR_OpJavaCall(lir_static_call, method, LIR_OprFact::illegalOpr, result, dest, arguments, info)); | |
1901 } | |
1902 void call_icvirtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, | |
1903 address dest, LIR_OprList* arguments, CodeEmitInfo* info) { | |
1904 append(new LIR_OpJavaCall(lir_icvirtual_call, method, receiver, result, dest, arguments, info)); | |
1905 } | |
1906 void call_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, | |
1907 intptr_t vtable_offset, LIR_OprList* arguments, CodeEmitInfo* info) { | |
1908 append(new LIR_OpJavaCall(lir_virtual_call, method, receiver, result, vtable_offset, arguments, info)); | |
1909 } | |
1295 | 1910 void call_dynamic(ciMethod* method, LIR_Opr receiver, LIR_Opr result, |
1911 address dest, LIR_OprList* arguments, CodeEmitInfo* info) { | |
1912 append(new LIR_OpJavaCall(lir_dynamic_call, method, receiver, result, dest, arguments, info)); | |
1913 } | |
0 | 1914 |
1915 void get_thread(LIR_Opr result) { append(new LIR_Op0(lir_get_thread, result)); } | |
1916 void word_align() { append(new LIR_Op0(lir_word_align)); } | |
1917 void membar() { append(new LIR_Op0(lir_membar)); } | |
1918 void membar_acquire() { append(new LIR_Op0(lir_membar_acquire)); } | |
1919 void membar_release() { append(new LIR_Op0(lir_membar_release)); } | |
1920 | |
1921 void nop() { append(new LIR_Op0(lir_nop)); } | |
1922 void build_frame() { append(new LIR_Op0(lir_build_frame)); } | |
1923 | |
1924 void std_entry(LIR_Opr receiver) { append(new LIR_Op0(lir_std_entry, receiver)); } | |
1925 void osr_entry(LIR_Opr osrPointer) { append(new LIR_Op0(lir_osr_entry, osrPointer)); } | |
1926 | |
1927 void branch_destination(Label* lbl) { append(new LIR_OpLabel(lbl)); } | |
1928 | |
1929 void negate(LIR_Opr from, LIR_Opr to) { append(new LIR_Op1(lir_neg, from, to)); } | |
1930 void leal(LIR_Opr from, LIR_Opr result_reg) { append(new LIR_Op1(lir_leal, from, result_reg)); } | |
1931 | |
1932 // result is a stack location for old backend and vreg for UseLinearScan | |
1933 // stack_loc_temp is an illegal register for old backend | |
1934 void roundfp(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) { append(new LIR_OpRoundFP(reg, stack_loc_temp, result)); } | |
1935 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)); } | |
1936 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)); } | |
1937 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)); } | |
1938 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)); } | |
1939 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)); } | |
1940 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)); } | |
2002 | 1941 void move_wide(LIR_Address* src, LIR_Opr dst, CodeEmitInfo* info = NULL) { |
1942 if (UseCompressedOops) { | |
1943 append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, src->type(), lir_patch_none, info, lir_move_wide)); | |
1944 } else { | |
1945 move(src, dst, info); | |
1946 } | |
1947 } | |
1948 void move_wide(LIR_Opr src, LIR_Address* dst, CodeEmitInfo* info = NULL) { | |
1949 if (UseCompressedOops) { | |
1950 append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), dst->type(), lir_patch_none, info, lir_move_wide)); | |
1951 } else { | |
1952 move(src, dst, info); | |
1953 } | |
1954 } | |
0 | 1955 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)); } |
1956 | |
1957 void oop2reg (jobject o, LIR_Opr reg) { append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg)); } | |
1958 void oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info); | |
1959 | |
1960 void return_op(LIR_Opr result) { append(new LIR_Op1(lir_return, result)); } | |
1961 | |
1962 void safepoint(LIR_Opr tmp, CodeEmitInfo* info) { append(new LIR_Op1(lir_safepoint, tmp, info)); } | |
1963 | |
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1964 #ifdef PPC |
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1965 void convert(Bytecodes::Code code, LIR_Opr left, LIR_Opr dst, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_OpConvert(code, left, dst, NULL, tmp1, tmp2)); } |
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1966 #endif |
0 | 1967 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)); } |
1968 | |
1969 void logical_and (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_and, left, right, dst)); } | |
1970 void logical_or (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_or, left, right, dst)); } | |
1971 void logical_xor (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_xor, left, right, dst)); } | |
1972 | |
1783 | 1973 void pack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_pack64, src, dst, T_LONG, lir_patch_none, NULL)); } |
1974 void unpack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_unpack64, src, dst, T_LONG, lir_patch_none, NULL)); } | |
1975 | |
0 | 1976 void null_check(LIR_Opr opr, CodeEmitInfo* info) { append(new LIR_Op1(lir_null_check, opr, info)); } |
1378
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1977 void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { |
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1978 append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info)); |
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1979 } |
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1980 void unwind_exception(LIR_Opr exceptionOop) { |
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1981 append(new LIR_Op1(lir_unwind, exceptionOop)); |
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1982 } |
0 | 1983 |
1984 void compare_to (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { | |
1985 append(new LIR_Op2(lir_compare_to, left, right, dst)); | |
1986 } | |
1987 | |
1988 void push(LIR_Opr opr) { append(new LIR_Op1(lir_push, opr)); } | |
1989 void pop(LIR_Opr reg) { append(new LIR_Op1(lir_pop, reg)); } | |
1990 | |
1991 void cmp(LIR_Condition condition, LIR_Opr left, LIR_Opr right, CodeEmitInfo* info = NULL) { | |
1992 append(new LIR_Op2(lir_cmp, condition, left, right, info)); | |
1993 } | |
1994 void cmp(LIR_Condition condition, LIR_Opr left, int right, CodeEmitInfo* info = NULL) { | |
1995 cmp(condition, left, LIR_OprFact::intConst(right), info); | |
1996 } | |
1997 | |
1998 void cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info); | |
1999 void cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info); | |
2000 | |
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2001 void cmove(LIR_Condition condition, LIR_Opr src1, LIR_Opr src2, LIR_Opr dst, BasicType type) { |
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2002 append(new LIR_Op2(lir_cmove, condition, src1, src2, dst, type)); |
0 | 2003 } |
2004 | |
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2005 void cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, |
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2006 LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr); |
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2007 void cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, |
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2008 LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr); |
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2009 void cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, |
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2010 LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr); |
0 | 2011 |
2012 void abs (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_abs , from, tmp, to)); } | |
2013 void sqrt(LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_sqrt, from, tmp, to)); } | |
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2014 void log (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_log, from, LIR_OprFact::illegalOpr, to, tmp)); } |
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2015 void log10 (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_log10, from, LIR_OprFact::illegalOpr, to, tmp)); } |
0 | 2016 void sin (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_sin , from, tmp1, to, tmp2)); } |
2017 void cos (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_cos , from, tmp1, to, tmp2)); } | |
2018 void tan (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_tan , from, tmp1, to, tmp2)); } | |
2019 | |
2020 void add (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_add, left, right, res)); } | |
2021 void sub (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_sub, left, right, res, info)); } | |
2022 void mul (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_mul, left, right, res)); } | |
2023 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)); } | |
2024 void div (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_div, left, right, res, info)); } | |
2025 void div_strictfp (LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp) { append(new LIR_Op2(lir_div_strictfp, left, right, res, tmp)); } | |
2026 void rem (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_rem, left, right, res, info)); } | |
2027 | |
2028 void volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); | |
2029 void volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code); | |
2030 | |
2031 void load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none); | |
2032 | |
2033 void prefetch(LIR_Address* addr, bool is_store); | |
2034 | |
2035 void store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); | |
2036 void store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); | |
2037 void store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none); | |
2038 void volatile_store_mem_reg(LIR_Opr src, LIR_Address* address, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); | |
2039 void volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code); | |
2040 | |
2041 void idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); | |
2042 void idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); | |
2043 void irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); | |
2044 void irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); | |
2045 | |
2046 void allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub); | |
2047 void allocate_array(LIR_Opr dst, LIR_Opr len, LIR_Opr t1,LIR_Opr t2, LIR_Opr t3,LIR_Opr t4, BasicType type, LIR_Opr klass, CodeStub* stub); | |
2048 | |
2049 // jump is an unconditional branch | |
2050 void jump(BlockBegin* block) { | |
2051 append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, block)); | |
2052 } | |
2053 void jump(CodeStub* stub) { | |
2054 append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, stub)); | |
2055 } | |
2056 void branch(LIR_Condition cond, Label* lbl) { append(new LIR_OpBranch(cond, lbl)); } | |
2057 void branch(LIR_Condition cond, BasicType type, BlockBegin* block) { | |
2058 assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons"); | |
2059 append(new LIR_OpBranch(cond, type, block)); | |
2060 } | |
2061 void branch(LIR_Condition cond, BasicType type, CodeStub* stub) { | |
2062 assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons"); | |
2063 append(new LIR_OpBranch(cond, type, stub)); | |
2064 } | |
2065 void branch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* unordered) { | |
2066 assert(type == T_FLOAT || type == T_DOUBLE, "fp comparisons only"); | |
2067 append(new LIR_OpBranch(cond, type, block, unordered)); | |
2068 } | |
2069 | |
2070 void shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); | |
2071 void shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); | |
2072 void unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); | |
2073 | |
2074 void shift_left(LIR_Opr value, int count, LIR_Opr dst) { shift_left(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } | |
2075 void shift_right(LIR_Opr value, int count, LIR_Opr dst) { shift_right(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } | |
2076 void unsigned_shift_right(LIR_Opr value, int count, LIR_Opr dst) { unsigned_shift_right(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } | |
2077 | |
2078 void lcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_cmp_l2i, left, right, dst)); } | |
2079 void fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less); | |
2080 | |
2081 void call_runtime_leaf(address routine, LIR_Opr tmp, LIR_Opr result, LIR_OprList* arguments) { | |
2082 append(new LIR_OpRTCall(routine, tmp, result, arguments)); | |
2083 } | |
2084 | |
2085 void call_runtime(address routine, LIR_Opr tmp, LIR_Opr result, | |
2086 LIR_OprList* arguments, CodeEmitInfo* info) { | |
2087 append(new LIR_OpRTCall(routine, tmp, result, arguments, info)); | |
2088 } | |
2089 | |
2090 void load_stack_address_monitor(int monitor_ix, LIR_Opr dst) { append(new LIR_Op1(lir_monaddr, LIR_OprFact::intConst(monitor_ix), dst)); } | |
1681
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2091 void unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub); |
0 | 2092 void lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info); |
2093 | |
2094 void set_24bit_fpu() { append(new LIR_Op0(lir_24bit_FPU )); } | |
2095 void restore_fpu() { append(new LIR_Op0(lir_reset_FPU )); } | |
2096 void breakpoint() { append(new LIR_Op0(lir_breakpoint)); } | |
2097 | |
2098 void arraycopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info) { append(new LIR_OpArrayCopy(src, src_pos, dst, dst_pos, length, tmp, expected_type, flags, info)); } | |
2099 | |
2100 void fpop_raw() { append(new LIR_Op0(lir_fpop_raw)); } | |
2101 | |
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2102 void instanceof(LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_patch, ciMethod* profiled_method, int profiled_bci); |
1783 | 2103 void store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception); |
2104 | |
0 | 2105 void checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, |
2106 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, | |
2107 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, | |
2108 ciMethod* profiled_method, int profiled_bci); | |
2109 // methodDataOop profiling | |
1783 | 2110 void profile_call(ciMethod* method, int bci, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* cha_klass) { |
2111 append(new LIR_OpProfileCall(lir_profile_call, method, bci, mdo, recv, t1, cha_klass)); | |
2112 } | |
0 | 2113 }; |
2114 | |
2115 void print_LIR(BlockList* blocks); | |
2116 | |
2117 class LIR_InsertionBuffer : public CompilationResourceObj { | |
2118 private: | |
2119 LIR_List* _lir; // the lir list where ops of this buffer should be inserted later (NULL when uninitialized) | |
2120 | |
2121 // list of insertion points. index and count are stored alternately: | |
2122 // _index_and_count[i * 2]: the index into lir list where "count" ops should be inserted | |
2123 // _index_and_count[i * 2 + 1]: the number of ops to be inserted at index | |
2124 intStack _index_and_count; | |
2125 | |
2126 // the LIR_Ops to be inserted | |
2127 LIR_OpList _ops; | |
2128 | |
2129 void append_new(int index, int count) { _index_and_count.append(index); _index_and_count.append(count); } | |
2130 void set_index_at(int i, int value) { _index_and_count.at_put((i << 1), value); } | |
2131 void set_count_at(int i, int value) { _index_and_count.at_put((i << 1) + 1, value); } | |
2132 | |
2133 #ifdef ASSERT | |
2134 void verify(); | |
2135 #endif | |
2136 public: | |
2137 LIR_InsertionBuffer() : _lir(NULL), _index_and_count(8), _ops(8) { } | |
2138 | |
2139 // must be called before using the insertion buffer | |
2140 void init(LIR_List* lir) { assert(!initialized(), "already initialized"); _lir = lir; _index_and_count.clear(); _ops.clear(); } | |
2141 bool initialized() const { return _lir != NULL; } | |
2142 // called automatically when the buffer is appended to the LIR_List | |
2143 void finish() { _lir = NULL; } | |
2144 | |
2145 // accessors | |
2146 LIR_List* lir_list() const { return _lir; } | |
2147 int number_of_insertion_points() const { return _index_and_count.length() >> 1; } | |
2148 int index_at(int i) const { return _index_and_count.at((i << 1)); } | |
2149 int count_at(int i) const { return _index_and_count.at((i << 1) + 1); } | |
2150 | |
2151 int number_of_ops() const { return _ops.length(); } | |
2152 LIR_Op* op_at(int i) const { return _ops.at(i); } | |
2153 | |
2154 // append an instruction to the buffer | |
2155 void append(int index, LIR_Op* op); | |
2156 | |
2157 // instruction | |
2158 void move(int index, LIR_Opr src, LIR_Opr dst, CodeEmitInfo* info = NULL) { append(index, new LIR_Op1(lir_move, src, dst, dst->type(), lir_patch_none, info)); } | |
2159 }; | |
2160 | |
2161 | |
2162 // | |
2163 // LIR_OpVisitState is used for manipulating LIR_Ops in an abstract way. | |
2164 // Calling a LIR_Op's visit function with a LIR_OpVisitState causes | |
2165 // information about the input, output and temporaries used by the | |
2166 // op to be recorded. It also records whether the op has call semantics | |
2167 // and also records all the CodeEmitInfos used by this op. | |
2168 // | |
2169 | |
2170 | |
2171 class LIR_OpVisitState: public StackObj { | |
2172 public: | |
2173 typedef enum { inputMode, firstMode = inputMode, tempMode, outputMode, numModes, invalidMode = -1 } OprMode; | |
2174 | |
2175 enum { | |
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2176 maxNumberOfOperands = 16, |
0 | 2177 maxNumberOfInfos = 4 |
2178 }; | |
2179 | |
2180 private: | |
2181 LIR_Op* _op; | |
2182 | |
2183 // optimization: the operands and infos are not stored in a variable-length | |
2184 // list, but in a fixed-size array to save time of size checks and resizing | |
2185 int _oprs_len[numModes]; | |
2186 LIR_Opr* _oprs_new[numModes][maxNumberOfOperands]; | |
2187 int _info_len; | |
2188 CodeEmitInfo* _info_new[maxNumberOfInfos]; | |
2189 | |
2190 bool _has_call; | |
2191 bool _has_slow_case; | |
2192 | |
2193 | |
2194 // only include register operands | |
2195 // addresses are decomposed to the base and index registers | |
2196 // constants and stack operands are ignored | |
2197 void append(LIR_Opr& opr, OprMode mode) { | |
2198 assert(opr->is_valid(), "should not call this otherwise"); | |
2199 assert(mode >= 0 && mode < numModes, "bad mode"); | |
2200 | |
2201 if (opr->is_register()) { | |
2202 assert(_oprs_len[mode] < maxNumberOfOperands, "array overflow"); | |
2203 _oprs_new[mode][_oprs_len[mode]++] = &opr; | |
2204 | |
2205 } else if (opr->is_pointer()) { | |
2206 LIR_Address* address = opr->as_address_ptr(); | |
2207 if (address != NULL) { | |
2208 // special handling for addresses: add base and index register of the address | |
2209 // both are always input operands! | |
2210 if (address->_base->is_valid()) { | |
2211 assert(address->_base->is_register(), "must be"); | |
2212 assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow"); | |
2213 _oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_base; | |
2214 } | |
2215 if (address->_index->is_valid()) { | |
2216 assert(address->_index->is_register(), "must be"); | |
2217 assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow"); | |
2218 _oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_index; | |
2219 } | |
2220 | |
2221 } else { | |
2222 assert(opr->is_constant(), "constant operands are not processed"); | |
2223 } | |
2224 } else { | |
2225 assert(opr->is_stack(), "stack operands are not processed"); | |
2226 } | |
2227 } | |
2228 | |
2229 void append(CodeEmitInfo* info) { | |
2230 assert(info != NULL, "should not call this otherwise"); | |
2231 assert(_info_len < maxNumberOfInfos, "array overflow"); | |
2232 _info_new[_info_len++] = info; | |
2233 } | |
2234 | |
2235 public: | |
2236 LIR_OpVisitState() { reset(); } | |
2237 | |
2238 LIR_Op* op() const { return _op; } | |
2239 void set_op(LIR_Op* op) { reset(); _op = op; } | |
2240 | |
2241 bool has_call() const { return _has_call; } | |
2242 bool has_slow_case() const { return _has_slow_case; } | |
2243 | |
2244 void reset() { | |
2245 _op = NULL; | |
2246 _has_call = false; | |
2247 _has_slow_case = false; | |
2248 | |
2249 _oprs_len[inputMode] = 0; | |
2250 _oprs_len[tempMode] = 0; | |
2251 _oprs_len[outputMode] = 0; | |
2252 _info_len = 0; | |
2253 } | |
2254 | |
2255 | |
2256 int opr_count(OprMode mode) const { | |
2257 assert(mode >= 0 && mode < numModes, "bad mode"); | |
2258 return _oprs_len[mode]; | |
2259 } | |
2260 | |
2261 LIR_Opr opr_at(OprMode mode, int index) const { | |
2262 assert(mode >= 0 && mode < numModes, "bad mode"); | |
2263 assert(index >= 0 && index < _oprs_len[mode], "index out of bound"); | |
2264 return *_oprs_new[mode][index]; | |
2265 } | |
2266 | |
2267 void set_opr_at(OprMode mode, int index, LIR_Opr opr) const { | |
2268 assert(mode >= 0 && mode < numModes, "bad mode"); | |
2269 assert(index >= 0 && index < _oprs_len[mode], "index out of bound"); | |
2270 *_oprs_new[mode][index] = opr; | |
2271 } | |
2272 | |
2273 int info_count() const { | |
2274 return _info_len; | |
2275 } | |
2276 | |
2277 CodeEmitInfo* info_at(int index) const { | |
2278 assert(index < _info_len, "index out of bounds"); | |
2279 return _info_new[index]; | |
2280 } | |
2281 | |
2282 XHandlers* all_xhandler(); | |
2283 | |
2284 // collects all register operands of the instruction | |
2285 void visit(LIR_Op* op); | |
2286 | |
2287 #if ASSERT | |
2288 // check that an operation has no operands | |
2289 bool no_operands(LIR_Op* op); | |
2290 #endif | |
2291 | |
2292 // LIR_Op visitor functions use these to fill in the state | |
2293 void do_input(LIR_Opr& opr) { append(opr, LIR_OpVisitState::inputMode); } | |
2294 void do_output(LIR_Opr& opr) { append(opr, LIR_OpVisitState::outputMode); } | |
2295 void do_temp(LIR_Opr& opr) { append(opr, LIR_OpVisitState::tempMode); } | |
2296 void do_info(CodeEmitInfo* info) { append(info); } | |
2297 | |
2298 void do_stub(CodeStub* stub); | |
2299 void do_call() { _has_call = true; } | |
2300 void do_slow_case() { _has_slow_case = true; } | |
2301 void do_slow_case(CodeEmitInfo* info) { | |
2302 _has_slow_case = true; | |
2303 append(info); | |
2304 } | |
2305 }; | |
2306 | |
2307 | |
2308 inline LIR_Opr LIR_OprDesc::illegalOpr() { return LIR_OprFact::illegalOpr; }; | |
1972 | 2309 |
2310 #endif // SHARE_VM_C1_C1_LIR_HPP |