Mercurial > hg > truffle
annotate src/share/vm/c1/c1_LIR.hpp @ 6294:b0fc02623974
exclude TestPrograms from JaCoCo processing
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 28 Aug 2012 13:55:11 +0200 |
parents | 1d7922586cf6 |
children | da91efe96a93 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2012, 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" | |
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29 #include "oops/methodOop.hpp" |
1972 | 30 |
0 | 31 class BlockBegin; |
32 class BlockList; | |
33 class LIR_Assembler; | |
34 class CodeEmitInfo; | |
35 class CodeStub; | |
36 class CodeStubList; | |
37 class ArrayCopyStub; | |
38 class LIR_Op; | |
39 class ciType; | |
40 class ValueType; | |
41 class LIR_OpVisitState; | |
42 class FpuStackSim; | |
43 | |
44 //--------------------------------------------------------------------- | |
45 // LIR Operands | |
46 // LIR_OprDesc | |
47 // LIR_OprPtr | |
48 // LIR_Const | |
49 // LIR_Address | |
50 //--------------------------------------------------------------------- | |
51 class LIR_OprDesc; | |
52 class LIR_OprPtr; | |
53 class LIR_Const; | |
54 class LIR_Address; | |
55 class LIR_OprVisitor; | |
56 | |
57 | |
58 typedef LIR_OprDesc* LIR_Opr; | |
59 typedef int RegNr; | |
60 | |
61 define_array(LIR_OprArray, LIR_Opr) | |
62 define_stack(LIR_OprList, LIR_OprArray) | |
63 | |
64 define_array(LIR_OprRefArray, LIR_Opr*) | |
65 define_stack(LIR_OprRefList, LIR_OprRefArray) | |
66 | |
67 define_array(CodeEmitInfoArray, CodeEmitInfo*) | |
68 define_stack(CodeEmitInfoList, CodeEmitInfoArray) | |
69 | |
70 define_array(LIR_OpArray, LIR_Op*) | |
71 define_stack(LIR_OpList, LIR_OpArray) | |
72 | |
73 // define LIR_OprPtr early so LIR_OprDesc can refer to it | |
74 class LIR_OprPtr: public CompilationResourceObj { | |
75 public: | |
76 bool is_oop_pointer() const { return (type() == T_OBJECT); } | |
77 bool is_float_kind() const { BasicType t = type(); return (t == T_FLOAT) || (t == T_DOUBLE); } | |
78 | |
79 virtual LIR_Const* as_constant() { return NULL; } | |
80 virtual LIR_Address* as_address() { return NULL; } | |
81 virtual BasicType type() const = 0; | |
82 virtual void print_value_on(outputStream* out) const = 0; | |
83 }; | |
84 | |
85 | |
86 | |
87 // LIR constants | |
88 class LIR_Const: public LIR_OprPtr { | |
89 private: | |
90 JavaValue _value; | |
91 | |
92 void type_check(BasicType t) const { assert(type() == t, "type check"); } | |
93 void type_check(BasicType t1, BasicType t2) const { assert(type() == t1 || type() == t2, "type check"); } | |
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94 void type_check(BasicType t1, BasicType t2, BasicType t3) const { assert(type() == t1 || type() == t2 || type() == t3, "type check"); } |
0 | 95 |
96 public: | |
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97 LIR_Const(jint i, bool is_address=false) { _value.set_type(is_address?T_ADDRESS:T_INT); _value.set_jint(i); } |
0 | 98 LIR_Const(jlong l) { _value.set_type(T_LONG); _value.set_jlong(l); } |
99 LIR_Const(jfloat f) { _value.set_type(T_FLOAT); _value.set_jfloat(f); } | |
100 LIR_Const(jdouble d) { _value.set_type(T_DOUBLE); _value.set_jdouble(d); } | |
101 LIR_Const(jobject o) { _value.set_type(T_OBJECT); _value.set_jobject(o); } | |
102 LIR_Const(void* p) { | |
103 #ifdef _LP64 | |
104 assert(sizeof(jlong) >= sizeof(p), "too small");; | |
105 _value.set_type(T_LONG); _value.set_jlong((jlong)p); | |
106 #else | |
107 assert(sizeof(jint) >= sizeof(p), "too small");; | |
108 _value.set_type(T_INT); _value.set_jint((jint)p); | |
109 #endif | |
110 } | |
111 | |
112 virtual BasicType type() const { return _value.get_type(); } | |
113 virtual LIR_Const* as_constant() { return this; } | |
114 | |
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115 jint as_jint() const { type_check(T_INT, T_ADDRESS); return _value.get_jint(); } |
0 | 116 jlong as_jlong() const { type_check(T_LONG ); return _value.get_jlong(); } |
117 jfloat as_jfloat() const { type_check(T_FLOAT ); return _value.get_jfloat(); } | |
118 jdouble as_jdouble() const { type_check(T_DOUBLE); return _value.get_jdouble(); } | |
119 jobject as_jobject() const { type_check(T_OBJECT); return _value.get_jobject(); } | |
120 jint as_jint_lo() const { type_check(T_LONG ); return low(_value.get_jlong()); } | |
121 jint as_jint_hi() const { type_check(T_LONG ); return high(_value.get_jlong()); } | |
122 | |
123 #ifdef _LP64 | |
124 address as_pointer() const { type_check(T_LONG ); return (address)_value.get_jlong(); } | |
125 #else | |
126 address as_pointer() const { type_check(T_INT ); return (address)_value.get_jint(); } | |
127 #endif | |
128 | |
129 | |
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130 jint as_jint_bits() const { type_check(T_FLOAT, T_INT, T_ADDRESS); return _value.get_jint(); } |
0 | 131 jint as_jint_lo_bits() const { |
132 if (type() == T_DOUBLE) { | |
133 return low(jlong_cast(_value.get_jdouble())); | |
134 } else { | |
135 return as_jint_lo(); | |
136 } | |
137 } | |
138 jint as_jint_hi_bits() const { | |
139 if (type() == T_DOUBLE) { | |
140 return high(jlong_cast(_value.get_jdouble())); | |
141 } else { | |
142 return as_jint_hi(); | |
143 } | |
144 } | |
304 | 145 jlong as_jlong_bits() const { |
146 if (type() == T_DOUBLE) { | |
147 return jlong_cast(_value.get_jdouble()); | |
148 } else { | |
149 return as_jlong(); | |
150 } | |
151 } | |
0 | 152 |
153 virtual void print_value_on(outputStream* out) const PRODUCT_RETURN; | |
154 | |
155 | |
156 bool is_zero_float() { | |
157 jfloat f = as_jfloat(); | |
158 jfloat ok = 0.0f; | |
159 return jint_cast(f) == jint_cast(ok); | |
160 } | |
161 | |
162 bool is_one_float() { | |
163 jfloat f = as_jfloat(); | |
164 return !g_isnan(f) && g_isfinite(f) && f == 1.0; | |
165 } | |
166 | |
167 bool is_zero_double() { | |
168 jdouble d = as_jdouble(); | |
169 jdouble ok = 0.0; | |
170 return jlong_cast(d) == jlong_cast(ok); | |
171 } | |
172 | |
173 bool is_one_double() { | |
174 jdouble d = as_jdouble(); | |
175 return !g_isnan(d) && g_isfinite(d) && d == 1.0; | |
176 } | |
177 }; | |
178 | |
179 | |
180 //---------------------LIR Operand descriptor------------------------------------ | |
181 // | |
182 // The class LIR_OprDesc represents a LIR instruction operand; | |
183 // it can be a register (ALU/FPU), stack location or a constant; | |
184 // Constants and addresses are represented as resource area allocated | |
185 // structures (see above). | |
186 // Registers and stack locations are inlined into the this pointer | |
187 // (see value function). | |
188 | |
189 class LIR_OprDesc: public CompilationResourceObj { | |
190 public: | |
191 // value structure: | |
192 // data opr-type opr-kind | |
193 // +--------------+-------+-------+ | |
194 // [max...........|7 6 5 4|3 2 1 0] | |
195 // ^ | |
196 // is_pointer bit | |
197 // | |
198 // lowest bit cleared, means it is a structure pointer | |
199 // we need 4 bits to represent types | |
200 | |
201 private: | |
202 friend class LIR_OprFact; | |
203 | |
204 // Conversion | |
205 intptr_t value() const { return (intptr_t) this; } | |
206 | |
207 bool check_value_mask(intptr_t mask, intptr_t masked_value) const { | |
208 return (value() & mask) == masked_value; | |
209 } | |
210 | |
211 enum OprKind { | |
212 pointer_value = 0 | |
213 , stack_value = 1 | |
214 , cpu_register = 3 | |
215 , fpu_register = 5 | |
216 , illegal_value = 7 | |
217 }; | |
218 | |
219 enum OprBits { | |
220 pointer_bits = 1 | |
221 , kind_bits = 3 | |
222 , type_bits = 4 | |
223 , size_bits = 2 | |
224 , destroys_bits = 1 | |
225 , virtual_bits = 1 | |
226 , is_xmm_bits = 1 | |
227 , last_use_bits = 1 | |
228 , is_fpu_stack_offset_bits = 1 // used in assertion checking on x86 for FPU stack slot allocation | |
229 , non_data_bits = kind_bits + type_bits + size_bits + destroys_bits + last_use_bits + | |
230 is_fpu_stack_offset_bits + virtual_bits + is_xmm_bits | |
231 , data_bits = BitsPerInt - non_data_bits | |
232 , reg_bits = data_bits / 2 // for two registers in one value encoding | |
233 }; | |
234 | |
235 enum OprShift { | |
236 kind_shift = 0 | |
237 , type_shift = kind_shift + kind_bits | |
238 , size_shift = type_shift + type_bits | |
239 , destroys_shift = size_shift + size_bits | |
240 , last_use_shift = destroys_shift + destroys_bits | |
241 , is_fpu_stack_offset_shift = last_use_shift + last_use_bits | |
242 , virtual_shift = is_fpu_stack_offset_shift + is_fpu_stack_offset_bits | |
243 , is_xmm_shift = virtual_shift + virtual_bits | |
244 , data_shift = is_xmm_shift + is_xmm_bits | |
245 , reg1_shift = data_shift | |
246 , reg2_shift = data_shift + reg_bits | |
247 | |
248 }; | |
249 | |
250 enum OprSize { | |
251 single_size = 0 << size_shift | |
252 , double_size = 1 << size_shift | |
253 }; | |
254 | |
255 enum OprMask { | |
256 kind_mask = right_n_bits(kind_bits) | |
257 , type_mask = right_n_bits(type_bits) << type_shift | |
258 , size_mask = right_n_bits(size_bits) << size_shift | |
259 , last_use_mask = right_n_bits(last_use_bits) << last_use_shift | |
260 , is_fpu_stack_offset_mask = right_n_bits(is_fpu_stack_offset_bits) << is_fpu_stack_offset_shift | |
261 , virtual_mask = right_n_bits(virtual_bits) << virtual_shift | |
262 , is_xmm_mask = right_n_bits(is_xmm_bits) << is_xmm_shift | |
263 , pointer_mask = right_n_bits(pointer_bits) | |
264 , lower_reg_mask = right_n_bits(reg_bits) | |
265 , no_type_mask = (int)(~(type_mask | last_use_mask | is_fpu_stack_offset_mask)) | |
266 }; | |
267 | |
268 uintptr_t data() const { return value() >> data_shift; } | |
269 int lo_reg_half() const { return data() & lower_reg_mask; } | |
270 int hi_reg_half() const { return (data() >> reg_bits) & lower_reg_mask; } | |
271 OprKind kind_field() const { return (OprKind)(value() & kind_mask); } | |
272 OprSize size_field() const { return (OprSize)(value() & size_mask); } | |
273 | |
274 static char type_char(BasicType t); | |
275 | |
276 public: | |
277 enum { | |
278 vreg_base = ConcreteRegisterImpl::number_of_registers, | |
279 vreg_max = (1 << data_bits) - 1 | |
280 }; | |
281 | |
282 static inline LIR_Opr illegalOpr(); | |
283 | |
284 enum OprType { | |
285 unknown_type = 0 << type_shift // means: not set (catch uninitialized types) | |
286 , int_type = 1 << type_shift | |
287 , long_type = 2 << type_shift | |
288 , object_type = 3 << type_shift | |
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289 , address_type = 4 << type_shift |
0 | 290 , float_type = 5 << type_shift |
291 , double_type = 6 << type_shift | |
292 }; | |
293 friend OprType as_OprType(BasicType t); | |
294 friend BasicType as_BasicType(OprType t); | |
295 | |
296 OprType type_field_valid() const { assert(is_register() || is_stack(), "should not be called otherwise"); return (OprType)(value() & type_mask); } | |
297 OprType type_field() const { return is_illegal() ? unknown_type : (OprType)(value() & type_mask); } | |
298 | |
299 static OprSize size_for(BasicType t) { | |
300 switch (t) { | |
301 case T_LONG: | |
302 case T_DOUBLE: | |
303 return double_size; | |
304 break; | |
305 | |
306 case T_FLOAT: | |
307 case T_BOOLEAN: | |
308 case T_CHAR: | |
309 case T_BYTE: | |
310 case T_SHORT: | |
311 case T_INT: | |
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312 case T_ADDRESS: |
0 | 313 case T_OBJECT: |
314 case T_ARRAY: | |
315 return single_size; | |
316 break; | |
317 | |
318 default: | |
319 ShouldNotReachHere(); | |
304 | 320 return single_size; |
0 | 321 } |
322 } | |
323 | |
324 | |
325 void validate_type() const PRODUCT_RETURN; | |
326 | |
327 BasicType type() const { | |
328 if (is_pointer()) { | |
329 return pointer()->type(); | |
330 } | |
331 return as_BasicType(type_field()); | |
332 } | |
333 | |
334 | |
335 ValueType* value_type() const { return as_ValueType(type()); } | |
336 | |
337 char type_char() const { return type_char((is_pointer()) ? pointer()->type() : type()); } | |
338 | |
339 bool is_equal(LIR_Opr opr) const { return this == opr; } | |
340 // checks whether types are same | |
341 bool is_same_type(LIR_Opr opr) const { | |
342 assert(type_field() != unknown_type && | |
343 opr->type_field() != unknown_type, "shouldn't see unknown_type"); | |
344 return type_field() == opr->type_field(); | |
345 } | |
346 bool is_same_register(LIR_Opr opr) { | |
347 return (is_register() && opr->is_register() && | |
348 kind_field() == opr->kind_field() && | |
349 (value() & no_type_mask) == (opr->value() & no_type_mask)); | |
350 } | |
351 | |
352 bool is_pointer() const { return check_value_mask(pointer_mask, pointer_value); } | |
353 bool is_illegal() const { return kind_field() == illegal_value; } | |
354 bool is_valid() const { return kind_field() != illegal_value; } | |
355 | |
356 bool is_register() const { return is_cpu_register() || is_fpu_register(); } | |
357 bool is_virtual() const { return is_virtual_cpu() || is_virtual_fpu(); } | |
358 | |
359 bool is_constant() const { return is_pointer() && pointer()->as_constant() != NULL; } | |
360 bool is_address() const { return is_pointer() && pointer()->as_address() != NULL; } | |
361 | |
362 bool is_float_kind() const { return is_pointer() ? pointer()->is_float_kind() : (kind_field() == fpu_register); } | |
363 bool is_oop() const; | |
364 | |
365 // semantic for fpu- and xmm-registers: | |
366 // * is_float and is_double return true for xmm_registers | |
367 // (so is_single_fpu and is_single_xmm are true) | |
368 // * So you must always check for is_???_xmm prior to is_???_fpu to | |
369 // distinguish between fpu- and xmm-registers | |
370 | |
371 bool is_stack() const { validate_type(); return check_value_mask(kind_mask, stack_value); } | |
372 bool is_single_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | single_size); } | |
373 bool is_double_stack() const { validate_type(); return check_value_mask(kind_mask | size_mask, stack_value | double_size); } | |
374 | |
375 bool is_cpu_register() const { validate_type(); return check_value_mask(kind_mask, cpu_register); } | |
376 bool is_virtual_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register | virtual_mask); } | |
377 bool is_fixed_cpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, cpu_register); } | |
378 bool is_single_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | single_size); } | |
379 bool is_double_cpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, cpu_register | double_size); } | |
380 | |
381 bool is_fpu_register() const { validate_type(); return check_value_mask(kind_mask, fpu_register); } | |
382 bool is_virtual_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register | virtual_mask); } | |
383 bool is_fixed_fpu() const { validate_type(); return check_value_mask(kind_mask | virtual_mask, fpu_register); } | |
384 bool is_single_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | single_size); } | |
385 bool is_double_fpu() const { validate_type(); return check_value_mask(kind_mask | size_mask, fpu_register | double_size); } | |
386 | |
387 bool is_xmm_register() const { validate_type(); return check_value_mask(kind_mask | is_xmm_mask, fpu_register | is_xmm_mask); } | |
388 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); } | |
389 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); } | |
390 | |
391 // fast accessor functions for special bits that do not work for pointers | |
392 // (in this functions, the check for is_pointer() is omitted) | |
393 bool is_single_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, single_size); } | |
394 bool is_double_word() const { assert(is_register() || is_stack(), "type check"); return check_value_mask(size_mask, double_size); } | |
395 bool is_virtual_register() const { assert(is_register(), "type check"); return check_value_mask(virtual_mask, virtual_mask); } | |
396 bool is_oop_register() const { assert(is_register() || is_stack(), "type check"); return type_field_valid() == object_type; } | |
397 BasicType type_register() const { assert(is_register() || is_stack(), "type check"); return as_BasicType(type_field_valid()); } | |
398 | |
399 bool is_last_use() const { assert(is_register(), "only works for registers"); return (value() & last_use_mask) != 0; } | |
400 bool is_fpu_stack_offset() const { assert(is_register(), "only works for registers"); return (value() & is_fpu_stack_offset_mask) != 0; } | |
401 LIR_Opr make_last_use() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | last_use_mask); } | |
402 LIR_Opr make_fpu_stack_offset() { assert(is_register(), "only works for registers"); return (LIR_Opr)(value() | is_fpu_stack_offset_mask); } | |
403 | |
404 | |
405 int single_stack_ix() const { assert(is_single_stack() && !is_virtual(), "type check"); return (int)data(); } | |
406 int double_stack_ix() const { assert(is_double_stack() && !is_virtual(), "type check"); return (int)data(); } | |
407 RegNr cpu_regnr() const { assert(is_single_cpu() && !is_virtual(), "type check"); return (RegNr)data(); } | |
408 RegNr cpu_regnrLo() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } | |
409 RegNr cpu_regnrHi() const { assert(is_double_cpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } | |
410 RegNr fpu_regnr() const { assert(is_single_fpu() && !is_virtual(), "type check"); return (RegNr)data(); } | |
411 RegNr fpu_regnrLo() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } | |
412 RegNr fpu_regnrHi() const { assert(is_double_fpu() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } | |
413 RegNr xmm_regnr() const { assert(is_single_xmm() && !is_virtual(), "type check"); return (RegNr)data(); } | |
414 RegNr xmm_regnrLo() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)lo_reg_half(); } | |
415 RegNr xmm_regnrHi() const { assert(is_double_xmm() && !is_virtual(), "type check"); return (RegNr)hi_reg_half(); } | |
416 int vreg_number() const { assert(is_virtual(), "type check"); return (RegNr)data(); } | |
417 | |
418 LIR_OprPtr* pointer() const { assert(is_pointer(), "type check"); return (LIR_OprPtr*)this; } | |
419 LIR_Const* as_constant_ptr() const { return pointer()->as_constant(); } | |
420 LIR_Address* as_address_ptr() const { return pointer()->as_address(); } | |
421 | |
422 Register as_register() const; | |
423 Register as_register_lo() const; | |
424 Register as_register_hi() const; | |
425 | |
426 Register as_pointer_register() { | |
427 #ifdef _LP64 | |
428 if (is_double_cpu()) { | |
429 assert(as_register_lo() == as_register_hi(), "should be a single register"); | |
430 return as_register_lo(); | |
431 } | |
432 #endif | |
433 return as_register(); | |
434 } | |
435 | |
304 | 436 #ifdef X86 |
0 | 437 XMMRegister as_xmm_float_reg() const; |
438 XMMRegister as_xmm_double_reg() const; | |
439 // for compatibility with RInfo | |
440 int fpu () const { return lo_reg_half(); } | |
304 | 441 #endif // X86 |
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442 #if defined(SPARC) || defined(ARM) || defined(PPC) |
0 | 443 FloatRegister as_float_reg () const; |
444 FloatRegister as_double_reg () const; | |
445 #endif | |
446 | |
447 jint as_jint() const { return as_constant_ptr()->as_jint(); } | |
448 jlong as_jlong() const { return as_constant_ptr()->as_jlong(); } | |
449 jfloat as_jfloat() const { return as_constant_ptr()->as_jfloat(); } | |
450 jdouble as_jdouble() const { return as_constant_ptr()->as_jdouble(); } | |
451 jobject as_jobject() const { return as_constant_ptr()->as_jobject(); } | |
452 | |
453 void print() const PRODUCT_RETURN; | |
454 void print(outputStream* out) const PRODUCT_RETURN; | |
455 }; | |
456 | |
457 | |
458 inline LIR_OprDesc::OprType as_OprType(BasicType type) { | |
459 switch (type) { | |
460 case T_INT: return LIR_OprDesc::int_type; | |
461 case T_LONG: return LIR_OprDesc::long_type; | |
462 case T_FLOAT: return LIR_OprDesc::float_type; | |
463 case T_DOUBLE: return LIR_OprDesc::double_type; | |
464 case T_OBJECT: | |
465 case T_ARRAY: return LIR_OprDesc::object_type; | |
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466 case T_ADDRESS: return LIR_OprDesc::address_type; |
0 | 467 case T_ILLEGAL: // fall through |
468 default: ShouldNotReachHere(); return LIR_OprDesc::unknown_type; | |
469 } | |
470 } | |
471 | |
472 inline BasicType as_BasicType(LIR_OprDesc::OprType t) { | |
473 switch (t) { | |
474 case LIR_OprDesc::int_type: return T_INT; | |
475 case LIR_OprDesc::long_type: return T_LONG; | |
476 case LIR_OprDesc::float_type: return T_FLOAT; | |
477 case LIR_OprDesc::double_type: return T_DOUBLE; | |
478 case LIR_OprDesc::object_type: return T_OBJECT; | |
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479 case LIR_OprDesc::address_type: return T_ADDRESS; |
0 | 480 case LIR_OprDesc::unknown_type: // fall through |
481 default: ShouldNotReachHere(); return T_ILLEGAL; | |
482 } | |
483 } | |
484 | |
485 | |
486 // LIR_Address | |
487 class LIR_Address: public LIR_OprPtr { | |
488 friend class LIR_OpVisitState; | |
489 | |
490 public: | |
491 // NOTE: currently these must be the log2 of the scale factor (and | |
492 // must also be equivalent to the ScaleFactor enum in | |
493 // assembler_i486.hpp) | |
494 enum Scale { | |
495 times_1 = 0, | |
496 times_2 = 1, | |
497 times_4 = 2, | |
498 times_8 = 3 | |
499 }; | |
500 | |
501 private: | |
502 LIR_Opr _base; | |
503 LIR_Opr _index; | |
504 Scale _scale; | |
505 intx _disp; | |
506 BasicType _type; | |
507 | |
508 public: | |
509 LIR_Address(LIR_Opr base, LIR_Opr index, BasicType type): | |
510 _base(base) | |
511 , _index(index) | |
512 , _scale(times_1) | |
513 , _type(type) | |
514 , _disp(0) { verify(); } | |
515 | |
1572 | 516 LIR_Address(LIR_Opr base, intx disp, BasicType type): |
0 | 517 _base(base) |
518 , _index(LIR_OprDesc::illegalOpr()) | |
519 , _scale(times_1) | |
520 , _type(type) | |
521 , _disp(disp) { verify(); } | |
522 | |
1572 | 523 LIR_Address(LIR_Opr base, BasicType type): |
524 _base(base) | |
525 , _index(LIR_OprDesc::illegalOpr()) | |
526 , _scale(times_1) | |
527 , _type(type) | |
528 , _disp(0) { verify(); } | |
529 | |
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530 #if defined(X86) || defined(ARM) |
1572 | 531 LIR_Address(LIR_Opr base, LIR_Opr index, Scale scale, intx disp, BasicType type): |
0 | 532 _base(base) |
533 , _index(index) | |
534 , _scale(scale) | |
535 , _type(type) | |
536 , _disp(disp) { verify(); } | |
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537 #endif // X86 || ARM |
0 | 538 |
539 LIR_Opr base() const { return _base; } | |
540 LIR_Opr index() const { return _index; } | |
541 Scale scale() const { return _scale; } | |
542 intx disp() const { return _disp; } | |
543 | |
544 bool equals(LIR_Address* other) const { return base() == other->base() && index() == other->index() && disp() == other->disp() && scale() == other->scale(); } | |
545 | |
546 virtual LIR_Address* as_address() { return this; } | |
547 virtual BasicType type() const { return _type; } | |
548 virtual void print_value_on(outputStream* out) const PRODUCT_RETURN; | |
549 | |
550 void verify() const PRODUCT_RETURN; | |
551 | |
552 static Scale scale(BasicType type); | |
553 }; | |
554 | |
555 | |
556 // operand factory | |
557 class LIR_OprFact: public AllStatic { | |
558 public: | |
559 | |
560 static LIR_Opr illegalOpr; | |
561 | |
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562 static LIR_Opr single_cpu(int reg) { |
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563 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
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564 LIR_OprDesc::int_type | |
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565 LIR_OprDesc::cpu_register | |
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566 LIR_OprDesc::single_size); |
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567 } |
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568 static LIR_Opr single_cpu_oop(int reg) { |
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569 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
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570 LIR_OprDesc::object_type | |
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571 LIR_OprDesc::cpu_register | |
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572 LIR_OprDesc::single_size); |
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573 } |
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574 static LIR_Opr single_cpu_address(int reg) { |
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575 return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
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576 LIR_OprDesc::address_type | |
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577 LIR_OprDesc::cpu_register | |
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578 LIR_OprDesc::single_size); |
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579 } |
304 | 580 static LIR_Opr double_cpu(int reg1, int reg2) { |
581 LP64_ONLY(assert(reg1 == reg2, "must be identical")); | |
582 return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) | | |
583 (reg2 << LIR_OprDesc::reg2_shift) | | |
584 LIR_OprDesc::long_type | | |
585 LIR_OprDesc::cpu_register | | |
586 LIR_OprDesc::double_size); | |
587 } | |
0 | 588 |
304 | 589 static LIR_Opr single_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
590 LIR_OprDesc::float_type | | |
591 LIR_OprDesc::fpu_register | | |
592 LIR_OprDesc::single_size); } | |
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593 #if defined(ARM) |
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594 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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595 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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596 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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597 #endif |
0 | 598 #ifdef SPARC |
304 | 599 static LIR_Opr double_fpu(int reg1, int reg2) { return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) | |
600 (reg2 << LIR_OprDesc::reg2_shift) | | |
601 LIR_OprDesc::double_type | | |
602 LIR_OprDesc::fpu_register | | |
603 LIR_OprDesc::double_size); } | |
0 | 604 #endif |
304 | 605 #ifdef X86 |
606 static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | | |
607 (reg << LIR_OprDesc::reg2_shift) | | |
608 LIR_OprDesc::double_type | | |
609 LIR_OprDesc::fpu_register | | |
610 LIR_OprDesc::double_size); } | |
611 | |
612 static LIR_Opr single_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | | |
613 LIR_OprDesc::float_type | | |
614 LIR_OprDesc::fpu_register | | |
615 LIR_OprDesc::single_size | | |
616 LIR_OprDesc::is_xmm_mask); } | |
617 static LIR_Opr double_xmm(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | | |
618 (reg << LIR_OprDesc::reg2_shift) | | |
619 LIR_OprDesc::double_type | | |
620 LIR_OprDesc::fpu_register | | |
621 LIR_OprDesc::double_size | | |
622 LIR_OprDesc::is_xmm_mask); } | |
623 #endif // X86 | |
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624 #ifdef PPC |
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625 static LIR_Opr double_fpu(int reg) { return (LIR_Opr)(intptr_t)((reg << LIR_OprDesc::reg1_shift) | |
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626 (reg << LIR_OprDesc::reg2_shift) | |
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627 LIR_OprDesc::double_type | |
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628 LIR_OprDesc::fpu_register | |
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629 LIR_OprDesc::double_size); } |
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630 static LIR_Opr single_softfp(int reg) { return (LIR_Opr)((reg << LIR_OprDesc::reg1_shift) | |
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631 LIR_OprDesc::float_type | |
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632 LIR_OprDesc::cpu_register | |
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633 LIR_OprDesc::single_size); } |
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634 static LIR_Opr double_softfp(int reg1, int reg2) { return (LIR_Opr)((reg2 << LIR_OprDesc::reg1_shift) | |
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635 (reg1 << LIR_OprDesc::reg2_shift) | |
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636 LIR_OprDesc::double_type | |
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637 LIR_OprDesc::cpu_register | |
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638 LIR_OprDesc::double_size); } |
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639 #endif // PPC |
0 | 640 |
641 static LIR_Opr virtual_register(int index, BasicType type) { | |
642 LIR_Opr res; | |
643 switch (type) { | |
644 case T_OBJECT: // fall through | |
304 | 645 case T_ARRAY: |
646 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
647 LIR_OprDesc::object_type | | |
648 LIR_OprDesc::cpu_register | | |
649 LIR_OprDesc::single_size | | |
650 LIR_OprDesc::virtual_mask); | |
651 break; | |
652 | |
653 case T_INT: | |
654 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
655 LIR_OprDesc::int_type | | |
656 LIR_OprDesc::cpu_register | | |
657 LIR_OprDesc::single_size | | |
658 LIR_OprDesc::virtual_mask); | |
659 break; | |
660 | |
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661 case T_ADDRESS: |
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662 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
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663 LIR_OprDesc::address_type | |
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664 LIR_OprDesc::cpu_register | |
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665 LIR_OprDesc::single_size | |
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666 LIR_OprDesc::virtual_mask); |
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667 break; |
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668 |
304 | 669 case T_LONG: |
670 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
671 LIR_OprDesc::long_type | | |
672 LIR_OprDesc::cpu_register | | |
673 LIR_OprDesc::double_size | | |
674 LIR_OprDesc::virtual_mask); | |
675 break; | |
676 | |
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677 #ifdef __SOFTFP__ |
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678 case T_FLOAT: |
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679 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
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680 LIR_OprDesc::float_type | |
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681 LIR_OprDesc::cpu_register | |
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682 LIR_OprDesc::single_size | |
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683 LIR_OprDesc::virtual_mask); |
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684 break; |
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685 case T_DOUBLE: |
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686 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
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687 LIR_OprDesc::double_type | |
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688 LIR_OprDesc::cpu_register | |
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689 LIR_OprDesc::double_size | |
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690 LIR_OprDesc::virtual_mask); |
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691 break; |
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692 #else // __SOFTFP__ |
304 | 693 case T_FLOAT: |
694 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
695 LIR_OprDesc::float_type | | |
696 LIR_OprDesc::fpu_register | | |
697 LIR_OprDesc::single_size | | |
698 LIR_OprDesc::virtual_mask); | |
699 break; | |
700 | |
701 case | |
702 T_DOUBLE: res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
703 LIR_OprDesc::double_type | | |
704 LIR_OprDesc::fpu_register | | |
705 LIR_OprDesc::double_size | | |
706 LIR_OprDesc::virtual_mask); | |
707 break; | |
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708 #endif // __SOFTFP__ |
0 | 709 default: ShouldNotReachHere(); res = illegalOpr; |
710 } | |
711 | |
712 #ifdef ASSERT | |
713 res->validate_type(); | |
714 assert(res->vreg_number() == index, "conversion check"); | |
715 assert(index >= LIR_OprDesc::vreg_base, "must start at vreg_base"); | |
716 assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big"); | |
717 | |
718 // old-style calculation; check if old and new method are equal | |
719 LIR_OprDesc::OprType t = as_OprType(type); | |
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720 #ifdef __SOFTFP__ |
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721 LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
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722 t | |
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723 LIR_OprDesc::cpu_register | |
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724 LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask); |
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725 #else // __SOFTFP__ |
304 | 726 LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | t | |
727 ((type == T_FLOAT || type == T_DOUBLE) ? LIR_OprDesc::fpu_register : LIR_OprDesc::cpu_register) | | |
0 | 728 LIR_OprDesc::size_for(type) | LIR_OprDesc::virtual_mask); |
729 assert(res == old_res, "old and new method not equal"); | |
1681
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730 #endif // __SOFTFP__ |
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731 #endif // ASSERT |
0 | 732 |
733 return res; | |
734 } | |
735 | |
736 // 'index' is computed by FrameMap::local_stack_pos(index); do not use other parameters as | |
737 // the index is platform independent; a double stack useing indeces 2 and 3 has always | |
738 // index 2. | |
739 static LIR_Opr stack(int index, BasicType type) { | |
740 LIR_Opr res; | |
741 switch (type) { | |
742 case T_OBJECT: // fall through | |
304 | 743 case T_ARRAY: |
744 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
745 LIR_OprDesc::object_type | | |
746 LIR_OprDesc::stack_value | | |
747 LIR_OprDesc::single_size); | |
748 break; | |
749 | |
750 case T_INT: | |
751 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
752 LIR_OprDesc::int_type | | |
753 LIR_OprDesc::stack_value | | |
754 LIR_OprDesc::single_size); | |
755 break; | |
756 | |
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757 case T_ADDRESS: |
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758 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
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759 LIR_OprDesc::address_type | |
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760 LIR_OprDesc::stack_value | |
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761 LIR_OprDesc::single_size); |
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762 break; |
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763 |
304 | 764 case T_LONG: |
765 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
766 LIR_OprDesc::long_type | | |
767 LIR_OprDesc::stack_value | | |
768 LIR_OprDesc::double_size); | |
769 break; | |
770 | |
771 case T_FLOAT: | |
772 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
773 LIR_OprDesc::float_type | | |
774 LIR_OprDesc::stack_value | | |
775 LIR_OprDesc::single_size); | |
776 break; | |
777 case T_DOUBLE: | |
778 res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | | |
779 LIR_OprDesc::double_type | | |
780 LIR_OprDesc::stack_value | | |
781 LIR_OprDesc::double_size); | |
782 break; | |
0 | 783 |
784 default: ShouldNotReachHere(); res = illegalOpr; | |
785 } | |
786 | |
787 #ifdef ASSERT | |
788 assert(index >= 0, "index must be positive"); | |
789 assert(index <= (max_jint >> LIR_OprDesc::data_shift), "index is too big"); | |
790 | |
304 | 791 LIR_Opr old_res = (LIR_Opr)(intptr_t)((index << LIR_OprDesc::data_shift) | |
792 LIR_OprDesc::stack_value | | |
793 as_OprType(type) | | |
794 LIR_OprDesc::size_for(type)); | |
0 | 795 assert(res == old_res, "old and new method not equal"); |
796 #endif | |
797 | |
798 return res; | |
799 } | |
800 | |
801 static LIR_Opr intConst(jint i) { return (LIR_Opr)(new LIR_Const(i)); } | |
802 static LIR_Opr longConst(jlong l) { return (LIR_Opr)(new LIR_Const(l)); } | |
803 static LIR_Opr floatConst(jfloat f) { return (LIR_Opr)(new LIR_Const(f)); } | |
804 static LIR_Opr doubleConst(jdouble d) { return (LIR_Opr)(new LIR_Const(d)); } | |
805 static LIR_Opr oopConst(jobject o) { return (LIR_Opr)(new LIR_Const(o)); } | |
806 static LIR_Opr address(LIR_Address* a) { return (LIR_Opr)a; } | |
807 static LIR_Opr intptrConst(void* p) { return (LIR_Opr)(new LIR_Const(p)); } | |
808 static LIR_Opr intptrConst(intptr_t v) { return (LIR_Opr)(new LIR_Const((void*)v)); } | |
809 static LIR_Opr illegal() { return (LIR_Opr)-1; } | |
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810 static LIR_Opr addressConst(jint i) { return (LIR_Opr)(new LIR_Const(i, true)); } |
0 | 811 |
812 static LIR_Opr value_type(ValueType* type); | |
813 static LIR_Opr dummy_value_type(ValueType* type); | |
814 }; | |
815 | |
816 | |
817 //------------------------------------------------------------------------------- | |
818 // LIR Instructions | |
819 //------------------------------------------------------------------------------- | |
820 // | |
821 // Note: | |
822 // - every instruction has a result operand | |
823 // - every instruction has an CodeEmitInfo operand (can be revisited later) | |
824 // - every instruction has a LIR_OpCode operand | |
825 // - LIR_OpN, means an instruction that has N input operands | |
826 // | |
827 // class hierarchy: | |
828 // | |
829 class LIR_Op; | |
830 class LIR_Op0; | |
831 class LIR_OpLabel; | |
832 class LIR_Op1; | |
833 class LIR_OpBranch; | |
834 class LIR_OpConvert; | |
835 class LIR_OpAllocObj; | |
836 class LIR_OpRoundFP; | |
837 class LIR_Op2; | |
838 class LIR_OpDelay; | |
839 class LIR_Op3; | |
840 class LIR_OpAllocArray; | |
841 class LIR_OpCall; | |
842 class LIR_OpJavaCall; | |
843 class LIR_OpRTCall; | |
844 class LIR_OpArrayCopy; | |
845 class LIR_OpLock; | |
846 class LIR_OpTypeCheck; | |
847 class LIR_OpCompareAndSwap; | |
848 class LIR_OpProfileCall; | |
849 | |
850 | |
851 // LIR operation codes | |
852 enum LIR_Code { | |
853 lir_none | |
854 , begin_op0 | |
855 , lir_word_align | |
856 , lir_label | |
857 , lir_nop | |
858 , lir_backwardbranch_target | |
859 , lir_std_entry | |
860 , lir_osr_entry | |
861 , lir_build_frame | |
862 , lir_fpop_raw | |
863 , lir_24bit_FPU | |
864 , lir_reset_FPU | |
865 , lir_breakpoint | |
866 , lir_rtcall | |
867 , lir_membar | |
868 , lir_membar_acquire | |
869 , lir_membar_release | |
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870 , lir_membar_loadload |
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871 , lir_membar_storestore |
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872 , lir_membar_loadstore |
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873 , lir_membar_storeload |
0 | 874 , lir_get_thread |
875 , end_op0 | |
876 , begin_op1 | |
877 , lir_fxch | |
878 , lir_fld | |
879 , lir_ffree | |
880 , lir_push | |
881 , lir_pop | |
882 , lir_null_check | |
883 , lir_return | |
884 , lir_leal | |
885 , lir_neg | |
886 , lir_branch | |
887 , lir_cond_float_branch | |
888 , lir_move | |
889 , lir_prefetchr | |
890 , lir_prefetchw | |
891 , lir_convert | |
892 , lir_alloc_object | |
893 , lir_monaddr | |
894 , lir_roundfp | |
895 , lir_safepoint | |
1783 | 896 , lir_pack64 |
897 , lir_unpack64 | |
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898 , lir_unwind |
0 | 899 , end_op1 |
900 , begin_op2 | |
901 , lir_cmp | |
902 , lir_cmp_l2i | |
903 , lir_ucmp_fd2i | |
904 , lir_cmp_fd2i | |
905 , lir_cmove | |
906 , lir_add | |
907 , lir_sub | |
908 , lir_mul | |
909 , lir_mul_strictfp | |
910 , lir_div | |
911 , lir_div_strictfp | |
912 , lir_rem | |
913 , lir_sqrt | |
914 , lir_abs | |
915 , lir_sin | |
916 , lir_cos | |
917 , lir_tan | |
918 , lir_log | |
919 , lir_log10 | |
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920 , lir_exp |
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921 , lir_pow |
0 | 922 , lir_logic_and |
923 , lir_logic_or | |
924 , lir_logic_xor | |
925 , lir_shl | |
926 , lir_shr | |
927 , lir_ushr | |
928 , lir_alloc_array | |
929 , lir_throw | |
930 , lir_compare_to | |
931 , end_op2 | |
932 , begin_op3 | |
933 , lir_idiv | |
934 , lir_irem | |
935 , end_op3 | |
936 , begin_opJavaCall | |
937 , lir_static_call | |
938 , lir_optvirtual_call | |
939 , lir_icvirtual_call | |
940 , lir_virtual_call | |
1295 | 941 , lir_dynamic_call |
0 | 942 , end_opJavaCall |
943 , begin_opArrayCopy | |
944 , lir_arraycopy | |
945 , end_opArrayCopy | |
946 , begin_opLock | |
947 , lir_lock | |
948 , lir_unlock | |
949 , end_opLock | |
950 , begin_delay_slot | |
951 , lir_delay_slot | |
952 , end_delay_slot | |
953 , begin_opTypeCheck | |
954 , lir_instanceof | |
955 , lir_checkcast | |
956 , lir_store_check | |
957 , end_opTypeCheck | |
958 , begin_opCompareAndSwap | |
959 , lir_cas_long | |
960 , lir_cas_obj | |
961 , lir_cas_int | |
962 , end_opCompareAndSwap | |
963 , begin_opMDOProfile | |
964 , lir_profile_call | |
965 , end_opMDOProfile | |
966 }; | |
967 | |
968 | |
969 enum LIR_Condition { | |
970 lir_cond_equal | |
971 , lir_cond_notEqual | |
972 , lir_cond_less | |
973 , lir_cond_lessEqual | |
974 , lir_cond_greaterEqual | |
975 , lir_cond_greater | |
976 , lir_cond_belowEqual | |
977 , lir_cond_aboveEqual | |
978 , lir_cond_always | |
979 , lir_cond_unknown = -1 | |
980 }; | |
981 | |
982 | |
983 enum LIR_PatchCode { | |
984 lir_patch_none, | |
985 lir_patch_low, | |
986 lir_patch_high, | |
987 lir_patch_normal | |
988 }; | |
989 | |
990 | |
991 enum LIR_MoveKind { | |
992 lir_move_normal, | |
993 lir_move_volatile, | |
994 lir_move_unaligned, | |
2002 | 995 lir_move_wide, |
0 | 996 lir_move_max_flag |
997 }; | |
998 | |
999 | |
1000 // -------------------------------------------------- | |
1001 // LIR_Op | |
1002 // -------------------------------------------------- | |
1003 class LIR_Op: public CompilationResourceObj { | |
1004 friend class LIR_OpVisitState; | |
1005 | |
1006 #ifdef ASSERT | |
1007 private: | |
1008 const char * _file; | |
1009 int _line; | |
1010 #endif | |
1011 | |
1012 protected: | |
1013 LIR_Opr _result; | |
1014 unsigned short _code; | |
1015 unsigned short _flags; | |
1016 CodeEmitInfo* _info; | |
1017 int _id; // value id for register allocation | |
1018 int _fpu_pop_count; | |
1019 Instruction* _source; // for debugging | |
1020 | |
1021 static void print_condition(outputStream* out, LIR_Condition cond) PRODUCT_RETURN; | |
1022 | |
1023 protected: | |
1024 static bool is_in_range(LIR_Code test, LIR_Code start, LIR_Code end) { return start < test && test < end; } | |
1025 | |
1026 public: | |
1027 LIR_Op() | |
1028 : _result(LIR_OprFact::illegalOpr) | |
1029 , _code(lir_none) | |
1030 , _flags(0) | |
1031 , _info(NULL) | |
1032 #ifdef ASSERT | |
1033 , _file(NULL) | |
1034 , _line(0) | |
1035 #endif | |
1036 , _fpu_pop_count(0) | |
1037 , _source(NULL) | |
1038 , _id(-1) {} | |
1039 | |
1040 LIR_Op(LIR_Code code, LIR_Opr result, CodeEmitInfo* info) | |
1041 : _result(result) | |
1042 , _code(code) | |
1043 , _flags(0) | |
1044 , _info(info) | |
1045 #ifdef ASSERT | |
1046 , _file(NULL) | |
1047 , _line(0) | |
1048 #endif | |
1049 , _fpu_pop_count(0) | |
1050 , _source(NULL) | |
1051 , _id(-1) {} | |
1052 | |
1053 CodeEmitInfo* info() const { return _info; } | |
1054 LIR_Code code() const { return (LIR_Code)_code; } | |
1055 LIR_Opr result_opr() const { return _result; } | |
1056 void set_result_opr(LIR_Opr opr) { _result = opr; } | |
1057 | |
1058 #ifdef ASSERT | |
1059 void set_file_and_line(const char * file, int line) { | |
1060 _file = file; | |
1061 _line = line; | |
1062 } | |
1063 #endif | |
1064 | |
1065 virtual const char * name() const PRODUCT_RETURN0; | |
1066 | |
1067 int id() const { return _id; } | |
1068 void set_id(int id) { _id = id; } | |
1069 | |
1070 // FPU stack simulation helpers -- only used on Intel | |
1071 void set_fpu_pop_count(int count) { assert(count >= 0 && count <= 1, "currently only 0 and 1 are valid"); _fpu_pop_count = count; } | |
1072 int fpu_pop_count() const { return _fpu_pop_count; } | |
1073 bool pop_fpu_stack() { return _fpu_pop_count > 0; } | |
1074 | |
1075 Instruction* source() const { return _source; } | |
1076 void set_source(Instruction* ins) { _source = ins; } | |
1077 | |
1078 virtual void emit_code(LIR_Assembler* masm) = 0; | |
1079 virtual void print_instr(outputStream* out) const = 0; | |
1080 virtual void print_on(outputStream* st) const PRODUCT_RETURN; | |
1081 | |
1082 virtual LIR_OpCall* as_OpCall() { return NULL; } | |
1083 virtual LIR_OpJavaCall* as_OpJavaCall() { return NULL; } | |
1084 virtual LIR_OpLabel* as_OpLabel() { return NULL; } | |
1085 virtual LIR_OpDelay* as_OpDelay() { return NULL; } | |
1086 virtual LIR_OpLock* as_OpLock() { return NULL; } | |
1087 virtual LIR_OpAllocArray* as_OpAllocArray() { return NULL; } | |
1088 virtual LIR_OpAllocObj* as_OpAllocObj() { return NULL; } | |
1089 virtual LIR_OpRoundFP* as_OpRoundFP() { return NULL; } | |
1090 virtual LIR_OpBranch* as_OpBranch() { return NULL; } | |
1091 virtual LIR_OpRTCall* as_OpRTCall() { return NULL; } | |
1092 virtual LIR_OpConvert* as_OpConvert() { return NULL; } | |
1093 virtual LIR_Op0* as_Op0() { return NULL; } | |
1094 virtual LIR_Op1* as_Op1() { return NULL; } | |
1095 virtual LIR_Op2* as_Op2() { return NULL; } | |
1096 virtual LIR_Op3* as_Op3() { return NULL; } | |
1097 virtual LIR_OpArrayCopy* as_OpArrayCopy() { return NULL; } | |
1098 virtual LIR_OpTypeCheck* as_OpTypeCheck() { return NULL; } | |
1099 virtual LIR_OpCompareAndSwap* as_OpCompareAndSwap() { return NULL; } | |
1100 virtual LIR_OpProfileCall* as_OpProfileCall() { return NULL; } | |
1101 | |
1102 virtual void verify() const {} | |
1103 }; | |
1104 | |
1105 // for calls | |
1106 class LIR_OpCall: public LIR_Op { | |
1107 friend class LIR_OpVisitState; | |
1108 | |
1109 protected: | |
1110 address _addr; | |
1111 LIR_OprList* _arguments; | |
1112 protected: | |
1113 LIR_OpCall(LIR_Code code, address addr, LIR_Opr result, | |
1114 LIR_OprList* arguments, CodeEmitInfo* info = NULL) | |
1115 : LIR_Op(code, result, info) | |
1116 , _arguments(arguments) | |
1117 , _addr(addr) {} | |
1118 | |
1119 public: | |
1120 address addr() const { return _addr; } | |
1121 const LIR_OprList* arguments() const { return _arguments; } | |
1122 virtual LIR_OpCall* as_OpCall() { return this; } | |
1123 }; | |
1124 | |
1125 | |
1126 // -------------------------------------------------- | |
1127 // LIR_OpJavaCall | |
1128 // -------------------------------------------------- | |
1129 class LIR_OpJavaCall: public LIR_OpCall { | |
1130 friend class LIR_OpVisitState; | |
1131 | |
1132 private: | |
1564 | 1133 ciMethod* _method; |
1134 LIR_Opr _receiver; | |
1135 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 | 1136 |
1137 public: | |
1138 LIR_OpJavaCall(LIR_Code code, ciMethod* method, | |
1139 LIR_Opr receiver, LIR_Opr result, | |
1140 address addr, LIR_OprList* arguments, | |
1141 CodeEmitInfo* info) | |
1142 : LIR_OpCall(code, addr, result, arguments, info) | |
1143 , _receiver(receiver) | |
1564 | 1144 , _method(method) |
1145 , _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr) | |
1146 { assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); } | |
0 | 1147 |
1148 LIR_OpJavaCall(LIR_Code code, ciMethod* method, | |
1149 LIR_Opr receiver, LIR_Opr result, intptr_t vtable_offset, | |
1150 LIR_OprList* arguments, CodeEmitInfo* info) | |
1151 : LIR_OpCall(code, (address)vtable_offset, result, arguments, info) | |
1152 , _receiver(receiver) | |
1564 | 1153 , _method(method) |
1154 , _method_handle_invoke_SP_save_opr(LIR_OprFact::illegalOpr) | |
1155 { assert(is_in_range(code, begin_opJavaCall, end_opJavaCall), "code check"); } | |
0 | 1156 |
1157 LIR_Opr receiver() const { return _receiver; } | |
1158 ciMethod* method() const { return _method; } | |
1159 | |
1295 | 1160 // JSR 292 support. |
1161 bool is_invokedynamic() const { return code() == lir_dynamic_call; } | |
1162 bool is_method_handle_invoke() const { | |
1163 return | |
1164 is_invokedynamic() // An invokedynamic is always a MethodHandle call site. | |
1165 || | |
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1166 method()->is_compiled_lambda_form() // Java-generated adapter |
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1167 || |
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1168 method()->is_method_handle_intrinsic(); // JVM-generated MH intrinsic |
1295 | 1169 } |
1170 | |
0 | 1171 intptr_t vtable_offset() const { |
1172 assert(_code == lir_virtual_call, "only have vtable for real vcall"); | |
1173 return (intptr_t) addr(); | |
1174 } | |
1175 | |
1176 virtual void emit_code(LIR_Assembler* masm); | |
1177 virtual LIR_OpJavaCall* as_OpJavaCall() { return this; } | |
1178 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1179 }; | |
1180 | |
1181 // -------------------------------------------------- | |
1182 // LIR_OpLabel | |
1183 // -------------------------------------------------- | |
1184 // Location where a branch can continue | |
1185 class LIR_OpLabel: public LIR_Op { | |
1186 friend class LIR_OpVisitState; | |
1187 | |
1188 private: | |
1189 Label* _label; | |
1190 public: | |
1191 LIR_OpLabel(Label* lbl) | |
1192 : LIR_Op(lir_label, LIR_OprFact::illegalOpr, NULL) | |
1193 , _label(lbl) {} | |
1194 Label* label() const { return _label; } | |
1195 | |
1196 virtual void emit_code(LIR_Assembler* masm); | |
1197 virtual LIR_OpLabel* as_OpLabel() { return this; } | |
1198 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1199 }; | |
1200 | |
1201 // LIR_OpArrayCopy | |
1202 class LIR_OpArrayCopy: public LIR_Op { | |
1203 friend class LIR_OpVisitState; | |
1204 | |
1205 private: | |
1206 ArrayCopyStub* _stub; | |
1207 LIR_Opr _src; | |
1208 LIR_Opr _src_pos; | |
1209 LIR_Opr _dst; | |
1210 LIR_Opr _dst_pos; | |
1211 LIR_Opr _length; | |
1212 LIR_Opr _tmp; | |
1213 ciArrayKlass* _expected_type; | |
1214 int _flags; | |
1215 | |
1216 public: | |
1217 enum Flags { | |
1218 src_null_check = 1 << 0, | |
1219 dst_null_check = 1 << 1, | |
1220 src_pos_positive_check = 1 << 2, | |
1221 dst_pos_positive_check = 1 << 3, | |
1222 length_positive_check = 1 << 4, | |
1223 src_range_check = 1 << 5, | |
1224 dst_range_check = 1 << 6, | |
1225 type_check = 1 << 7, | |
2446 | 1226 overlapping = 1 << 8, |
1227 unaligned = 1 << 9, | |
1228 src_objarray = 1 << 10, | |
1229 dst_objarray = 1 << 11, | |
1230 all_flags = (1 << 12) - 1 | |
0 | 1231 }; |
1232 | |
1233 LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, LIR_Opr tmp, | |
1234 ciArrayKlass* expected_type, int flags, CodeEmitInfo* info); | |
1235 | |
1236 LIR_Opr src() const { return _src; } | |
1237 LIR_Opr src_pos() const { return _src_pos; } | |
1238 LIR_Opr dst() const { return _dst; } | |
1239 LIR_Opr dst_pos() const { return _dst_pos; } | |
1240 LIR_Opr length() const { return _length; } | |
1241 LIR_Opr tmp() const { return _tmp; } | |
1242 int flags() const { return _flags; } | |
1243 ciArrayKlass* expected_type() const { return _expected_type; } | |
1244 ArrayCopyStub* stub() const { return _stub; } | |
1245 | |
1246 virtual void emit_code(LIR_Assembler* masm); | |
1247 virtual LIR_OpArrayCopy* as_OpArrayCopy() { return this; } | |
1248 void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1249 }; | |
1250 | |
1251 | |
1252 // -------------------------------------------------- | |
1253 // LIR_Op0 | |
1254 // -------------------------------------------------- | |
1255 class LIR_Op0: public LIR_Op { | |
1256 friend class LIR_OpVisitState; | |
1257 | |
1258 public: | |
1259 LIR_Op0(LIR_Code code) | |
1260 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) { assert(is_in_range(code, begin_op0, end_op0), "code check"); } | |
1261 LIR_Op0(LIR_Code code, LIR_Opr result, CodeEmitInfo* info = NULL) | |
1262 : LIR_Op(code, result, info) { assert(is_in_range(code, begin_op0, end_op0), "code check"); } | |
1263 | |
1264 virtual void emit_code(LIR_Assembler* masm); | |
1265 virtual LIR_Op0* as_Op0() { return this; } | |
1266 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1267 }; | |
1268 | |
1269 | |
1270 // -------------------------------------------------- | |
1271 // LIR_Op1 | |
1272 // -------------------------------------------------- | |
1273 | |
1274 class LIR_Op1: public LIR_Op { | |
1275 friend class LIR_OpVisitState; | |
1276 | |
1277 protected: | |
1278 LIR_Opr _opr; // input operand | |
1279 BasicType _type; // Operand types | |
1280 LIR_PatchCode _patch; // only required with patchin (NEEDS_CLEANUP: do we want a special instruction for patching?) | |
1281 | |
1282 static void print_patch_code(outputStream* out, LIR_PatchCode code); | |
1283 | |
1284 void set_kind(LIR_MoveKind kind) { | |
1285 assert(code() == lir_move, "must be"); | |
1286 _flags = kind; | |
1287 } | |
1288 | |
1289 public: | |
1290 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) | |
1291 : LIR_Op(code, result, info) | |
1292 , _opr(opr) | |
1293 , _patch(patch) | |
1294 , _type(type) { assert(is_in_range(code, begin_op1, end_op1), "code check"); } | |
1295 | |
1296 LIR_Op1(LIR_Code code, LIR_Opr opr, LIR_Opr result, BasicType type, LIR_PatchCode patch, CodeEmitInfo* info, LIR_MoveKind kind) | |
1297 : LIR_Op(code, result, info) | |
1298 , _opr(opr) | |
1299 , _patch(patch) | |
1300 , _type(type) { | |
1301 assert(code == lir_move, "must be"); | |
1302 set_kind(kind); | |
1303 } | |
1304 | |
1305 LIR_Op1(LIR_Code code, LIR_Opr opr, CodeEmitInfo* info) | |
1306 : LIR_Op(code, LIR_OprFact::illegalOpr, info) | |
1307 , _opr(opr) | |
1308 , _patch(lir_patch_none) | |
1309 , _type(T_ILLEGAL) { assert(is_in_range(code, begin_op1, end_op1), "code check"); } | |
1310 | |
1311 LIR_Opr in_opr() const { return _opr; } | |
1312 LIR_PatchCode patch_code() const { return _patch; } | |
1313 BasicType type() const { return _type; } | |
1314 | |
1315 LIR_MoveKind move_kind() const { | |
1316 assert(code() == lir_move, "must be"); | |
1317 return (LIR_MoveKind)_flags; | |
1318 } | |
1319 | |
1320 virtual void emit_code(LIR_Assembler* masm); | |
1321 virtual LIR_Op1* as_Op1() { return this; } | |
1322 virtual const char * name() const PRODUCT_RETURN0; | |
1323 | |
1324 void set_in_opr(LIR_Opr opr) { _opr = opr; } | |
1325 | |
1326 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1327 virtual void verify() const; | |
1328 }; | |
1329 | |
1330 | |
1331 // for runtime calls | |
1332 class LIR_OpRTCall: public LIR_OpCall { | |
1333 friend class LIR_OpVisitState; | |
1334 | |
1335 private: | |
1336 LIR_Opr _tmp; | |
1337 public: | |
1338 LIR_OpRTCall(address addr, LIR_Opr tmp, | |
1339 LIR_Opr result, LIR_OprList* arguments, CodeEmitInfo* info = NULL) | |
1340 : LIR_OpCall(lir_rtcall, addr, result, arguments, info) | |
1341 , _tmp(tmp) {} | |
1342 | |
1343 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1344 virtual void emit_code(LIR_Assembler* masm); | |
1345 virtual LIR_OpRTCall* as_OpRTCall() { return this; } | |
1346 | |
1347 LIR_Opr tmp() const { return _tmp; } | |
1348 | |
1349 virtual void verify() const; | |
1350 }; | |
1351 | |
1352 | |
1353 class LIR_OpBranch: public LIR_Op { | |
1354 friend class LIR_OpVisitState; | |
1355 | |
1356 private: | |
1357 LIR_Condition _cond; | |
1358 BasicType _type; | |
1359 Label* _label; | |
1360 BlockBegin* _block; // if this is a branch to a block, this is the block | |
1361 BlockBegin* _ublock; // if this is a float-branch, this is the unorderd block | |
1362 CodeStub* _stub; // if this is a branch to a stub, this is the stub | |
1363 | |
1364 public: | |
4816 | 1365 LIR_OpBranch(LIR_Condition cond, BasicType type, Label* lbl) |
0 | 1366 : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*) NULL) |
1367 , _cond(cond) | |
4816 | 1368 , _type(type) |
0 | 1369 , _label(lbl) |
1370 , _block(NULL) | |
1371 , _ublock(NULL) | |
1372 , _stub(NULL) { } | |
1373 | |
1374 LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block); | |
1375 LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub); | |
1376 | |
1377 // for unordered comparisons | |
1378 LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock); | |
1379 | |
1380 LIR_Condition cond() const { return _cond; } | |
1381 BasicType type() const { return _type; } | |
1382 Label* label() const { return _label; } | |
1383 BlockBegin* block() const { return _block; } | |
1384 BlockBegin* ublock() const { return _ublock; } | |
1385 CodeStub* stub() const { return _stub; } | |
1386 | |
1387 void change_block(BlockBegin* b); | |
1388 void change_ublock(BlockBegin* b); | |
1389 void negate_cond(); | |
1390 | |
1391 virtual void emit_code(LIR_Assembler* masm); | |
1392 virtual LIR_OpBranch* as_OpBranch() { return this; } | |
1393 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1394 }; | |
1395 | |
1396 | |
1397 class ConversionStub; | |
1398 | |
1399 class LIR_OpConvert: public LIR_Op1 { | |
1400 friend class LIR_OpVisitState; | |
1401 | |
1402 private: | |
1403 Bytecodes::Code _bytecode; | |
1404 ConversionStub* _stub; | |
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1405 #ifdef PPC |
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1406 LIR_Opr _tmp1; |
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1407 LIR_Opr _tmp2; |
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1408 #endif |
0 | 1409 |
1410 public: | |
1411 LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub) | |
1412 : LIR_Op1(lir_convert, opr, result) | |
1413 , _stub(stub) | |
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1414 #ifdef PPC |
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1415 , _tmp1(LIR_OprDesc::illegalOpr()) |
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1416 , _tmp2(LIR_OprDesc::illegalOpr()) |
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1417 #endif |
0 | 1418 , _bytecode(code) {} |
1419 | |
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1420 #ifdef PPC |
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1421 LIR_OpConvert(Bytecodes::Code code, LIR_Opr opr, LIR_Opr result, ConversionStub* stub |
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1422 ,LIR_Opr tmp1, LIR_Opr tmp2) |
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1423 : LIR_Op1(lir_convert, opr, result) |
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1424 , _stub(stub) |
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1425 , _tmp1(tmp1) |
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1426 , _tmp2(tmp2) |
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1427 , _bytecode(code) {} |
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1428 #endif |
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1429 |
0 | 1430 Bytecodes::Code bytecode() const { return _bytecode; } |
1431 ConversionStub* stub() const { return _stub; } | |
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1432 #ifdef PPC |
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1433 LIR_Opr tmp1() const { return _tmp1; } |
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1434 LIR_Opr tmp2() const { return _tmp2; } |
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1435 #endif |
0 | 1436 |
1437 virtual void emit_code(LIR_Assembler* masm); | |
1438 virtual LIR_OpConvert* as_OpConvert() { return this; } | |
1439 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1440 | |
1441 static void print_bytecode(outputStream* out, Bytecodes::Code code) PRODUCT_RETURN; | |
1442 }; | |
1443 | |
1444 | |
1445 // LIR_OpAllocObj | |
1446 class LIR_OpAllocObj : public LIR_Op1 { | |
1447 friend class LIR_OpVisitState; | |
1448 | |
1449 private: | |
1450 LIR_Opr _tmp1; | |
1451 LIR_Opr _tmp2; | |
1452 LIR_Opr _tmp3; | |
1453 LIR_Opr _tmp4; | |
1454 int _hdr_size; | |
1455 int _obj_size; | |
1456 CodeStub* _stub; | |
1457 bool _init_check; | |
1458 | |
1459 public: | |
1460 LIR_OpAllocObj(LIR_Opr klass, LIR_Opr result, | |
1461 LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, | |
1462 int hdr_size, int obj_size, bool init_check, CodeStub* stub) | |
1463 : LIR_Op1(lir_alloc_object, klass, result) | |
1464 , _tmp1(t1) | |
1465 , _tmp2(t2) | |
1466 , _tmp3(t3) | |
1467 , _tmp4(t4) | |
1468 , _hdr_size(hdr_size) | |
1469 , _obj_size(obj_size) | |
1470 , _init_check(init_check) | |
1471 , _stub(stub) { } | |
1472 | |
1473 LIR_Opr klass() const { return in_opr(); } | |
1474 LIR_Opr obj() const { return result_opr(); } | |
1475 LIR_Opr tmp1() const { return _tmp1; } | |
1476 LIR_Opr tmp2() const { return _tmp2; } | |
1477 LIR_Opr tmp3() const { return _tmp3; } | |
1478 LIR_Opr tmp4() const { return _tmp4; } | |
1479 int header_size() const { return _hdr_size; } | |
1480 int object_size() const { return _obj_size; } | |
1481 bool init_check() const { return _init_check; } | |
1482 CodeStub* stub() const { return _stub; } | |
1483 | |
1484 virtual void emit_code(LIR_Assembler* masm); | |
1485 virtual LIR_OpAllocObj * as_OpAllocObj () { return this; } | |
1486 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1487 }; | |
1488 | |
1489 | |
1490 // LIR_OpRoundFP | |
1491 class LIR_OpRoundFP : public LIR_Op1 { | |
1492 friend class LIR_OpVisitState; | |
1493 | |
1494 private: | |
1495 LIR_Opr _tmp; | |
1496 | |
1497 public: | |
1498 LIR_OpRoundFP(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) | |
1499 : LIR_Op1(lir_roundfp, reg, result) | |
1500 , _tmp(stack_loc_temp) {} | |
1501 | |
1502 LIR_Opr tmp() const { return _tmp; } | |
1503 virtual LIR_OpRoundFP* as_OpRoundFP() { return this; } | |
1504 void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1505 }; | |
1506 | |
1507 // LIR_OpTypeCheck | |
1508 class LIR_OpTypeCheck: public LIR_Op { | |
1509 friend class LIR_OpVisitState; | |
1510 | |
1511 private: | |
1512 LIR_Opr _object; | |
1513 LIR_Opr _array; | |
1514 ciKlass* _klass; | |
1515 LIR_Opr _tmp1; | |
1516 LIR_Opr _tmp2; | |
1517 LIR_Opr _tmp3; | |
1518 bool _fast_check; | |
1519 CodeEmitInfo* _info_for_patch; | |
1520 CodeEmitInfo* _info_for_exception; | |
1521 CodeStub* _stub; | |
1522 ciMethod* _profiled_method; | |
1523 int _profiled_bci; | |
1783 | 1524 bool _should_profile; |
0 | 1525 |
1526 public: | |
1527 LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, | |
1528 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, | |
1783 | 1529 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub); |
0 | 1530 LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array, |
1783 | 1531 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception); |
0 | 1532 |
1533 LIR_Opr object() const { return _object; } | |
1534 LIR_Opr array() const { assert(code() == lir_store_check, "not valid"); return _array; } | |
1535 LIR_Opr tmp1() const { return _tmp1; } | |
1536 LIR_Opr tmp2() const { return _tmp2; } | |
1537 LIR_Opr tmp3() const { return _tmp3; } | |
1538 ciKlass* klass() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _klass; } | |
1539 bool fast_check() const { assert(code() == lir_instanceof || code() == lir_checkcast, "not valid"); return _fast_check; } | |
1540 CodeEmitInfo* info_for_patch() const { return _info_for_patch; } | |
1541 CodeEmitInfo* info_for_exception() const { return _info_for_exception; } | |
1542 CodeStub* stub() const { return _stub; } | |
1543 | |
1544 // methodDataOop profiling | |
1783 | 1545 void set_profiled_method(ciMethod *method) { _profiled_method = method; } |
1546 void set_profiled_bci(int bci) { _profiled_bci = bci; } | |
1547 void set_should_profile(bool b) { _should_profile = b; } | |
1548 ciMethod* profiled_method() const { return _profiled_method; } | |
1549 int profiled_bci() const { return _profiled_bci; } | |
1550 bool should_profile() const { return _should_profile; } | |
0 | 1551 |
1552 virtual void emit_code(LIR_Assembler* masm); | |
1553 virtual LIR_OpTypeCheck* as_OpTypeCheck() { return this; } | |
1554 void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1555 }; | |
1556 | |
1557 // LIR_Op2 | |
1558 class LIR_Op2: public LIR_Op { | |
1559 friend class LIR_OpVisitState; | |
1560 | |
1561 int _fpu_stack_size; // for sin/cos implementation on Intel | |
1562 | |
1563 protected: | |
1564 LIR_Opr _opr1; | |
1565 LIR_Opr _opr2; | |
1566 BasicType _type; | |
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1567 LIR_Opr _tmp1; |
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1568 LIR_Opr _tmp2; |
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1569 LIR_Opr _tmp3; |
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1570 LIR_Opr _tmp4; |
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1571 LIR_Opr _tmp5; |
0 | 1572 LIR_Condition _condition; |
1573 | |
1574 void verify() const; | |
1575 | |
1576 public: | |
1577 LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, CodeEmitInfo* info = NULL) | |
1578 : LIR_Op(code, LIR_OprFact::illegalOpr, info) | |
1579 , _opr1(opr1) | |
1580 , _opr2(opr2) | |
1581 , _type(T_ILLEGAL) | |
1582 , _condition(condition) | |
1583 , _fpu_stack_size(0) | |
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1584 , _tmp1(LIR_OprFact::illegalOpr) |
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1585 , _tmp2(LIR_OprFact::illegalOpr) |
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1586 , _tmp3(LIR_OprFact::illegalOpr) |
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1587 , _tmp4(LIR_OprFact::illegalOpr) |
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1588 , _tmp5(LIR_OprFact::illegalOpr) { |
0 | 1589 assert(code == lir_cmp, "code check"); |
1590 } | |
1591 | |
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1592 LIR_Op2(LIR_Code code, LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, BasicType type) |
0 | 1593 : LIR_Op(code, result, NULL) |
1594 , _opr1(opr1) | |
1595 , _opr2(opr2) | |
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1596 , _type(type) |
0 | 1597 , _condition(condition) |
1598 , _fpu_stack_size(0) | |
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1599 , _tmp1(LIR_OprFact::illegalOpr) |
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1600 , _tmp2(LIR_OprFact::illegalOpr) |
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1601 , _tmp3(LIR_OprFact::illegalOpr) |
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1602 , _tmp4(LIR_OprFact::illegalOpr) |
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1603 , _tmp5(LIR_OprFact::illegalOpr) { |
0 | 1604 assert(code == lir_cmove, "code check"); |
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1605 assert(type != T_ILLEGAL, "cmove should have type"); |
0 | 1606 } |
1607 | |
1608 LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result = LIR_OprFact::illegalOpr, | |
1609 CodeEmitInfo* info = NULL, BasicType type = T_ILLEGAL) | |
1610 : LIR_Op(code, result, info) | |
1611 , _opr1(opr1) | |
1612 , _opr2(opr2) | |
1613 , _type(type) | |
1614 , _condition(lir_cond_unknown) | |
1615 , _fpu_stack_size(0) | |
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1616 , _tmp1(LIR_OprFact::illegalOpr) |
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1617 , _tmp2(LIR_OprFact::illegalOpr) |
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1618 , _tmp3(LIR_OprFact::illegalOpr) |
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1619 , _tmp4(LIR_OprFact::illegalOpr) |
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1620 , _tmp5(LIR_OprFact::illegalOpr) { |
0 | 1621 assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check"); |
1622 } | |
1623 | |
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1624 LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, LIR_Opr tmp1, LIR_Opr tmp2 = LIR_OprFact::illegalOpr, |
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1625 LIR_Opr tmp3 = LIR_OprFact::illegalOpr, LIR_Opr tmp4 = LIR_OprFact::illegalOpr, LIR_Opr tmp5 = LIR_OprFact::illegalOpr) |
0 | 1626 : LIR_Op(code, result, NULL) |
1627 , _opr1(opr1) | |
1628 , _opr2(opr2) | |
1629 , _type(T_ILLEGAL) | |
1630 , _condition(lir_cond_unknown) | |
1631 , _fpu_stack_size(0) | |
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1632 , _tmp1(tmp1) |
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1633 , _tmp2(tmp2) |
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1634 , _tmp3(tmp3) |
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1635 , _tmp4(tmp4) |
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1636 , _tmp5(tmp5) { |
0 | 1637 assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check"); |
1638 } | |
1639 | |
1640 LIR_Opr in_opr1() const { return _opr1; } | |
1641 LIR_Opr in_opr2() const { return _opr2; } | |
1642 BasicType type() const { return _type; } | |
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1643 LIR_Opr tmp1_opr() const { return _tmp1; } |
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1644 LIR_Opr tmp2_opr() const { return _tmp2; } |
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1645 LIR_Opr tmp3_opr() const { return _tmp3; } |
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1646 LIR_Opr tmp4_opr() const { return _tmp4; } |
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1647 LIR_Opr tmp5_opr() const { return _tmp5; } |
0 | 1648 LIR_Condition condition() const { |
1649 assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); return _condition; | |
1650 } | |
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1651 void set_condition(LIR_Condition condition) { |
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1652 assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); _condition = condition; |
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1653 } |
0 | 1654 |
1655 void set_fpu_stack_size(int size) { _fpu_stack_size = size; } | |
1656 int fpu_stack_size() const { return _fpu_stack_size; } | |
1657 | |
1658 void set_in_opr1(LIR_Opr opr) { _opr1 = opr; } | |
1659 void set_in_opr2(LIR_Opr opr) { _opr2 = opr; } | |
1660 | |
1661 virtual void emit_code(LIR_Assembler* masm); | |
1662 virtual LIR_Op2* as_Op2() { return this; } | |
1663 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1664 }; | |
1665 | |
1666 class LIR_OpAllocArray : public LIR_Op { | |
1667 friend class LIR_OpVisitState; | |
1668 | |
1669 private: | |
1670 LIR_Opr _klass; | |
1671 LIR_Opr _len; | |
1672 LIR_Opr _tmp1; | |
1673 LIR_Opr _tmp2; | |
1674 LIR_Opr _tmp3; | |
1675 LIR_Opr _tmp4; | |
1676 BasicType _type; | |
1677 CodeStub* _stub; | |
1678 | |
1679 public: | |
1680 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) | |
1681 : LIR_Op(lir_alloc_array, result, NULL) | |
1682 , _klass(klass) | |
1683 , _len(len) | |
1684 , _tmp1(t1) | |
1685 , _tmp2(t2) | |
1686 , _tmp3(t3) | |
1687 , _tmp4(t4) | |
1688 , _type(type) | |
1689 , _stub(stub) {} | |
1690 | |
1691 LIR_Opr klass() const { return _klass; } | |
1692 LIR_Opr len() const { return _len; } | |
1693 LIR_Opr obj() const { return result_opr(); } | |
1694 LIR_Opr tmp1() const { return _tmp1; } | |
1695 LIR_Opr tmp2() const { return _tmp2; } | |
1696 LIR_Opr tmp3() const { return _tmp3; } | |
1697 LIR_Opr tmp4() const { return _tmp4; } | |
1698 BasicType type() const { return _type; } | |
1699 CodeStub* stub() const { return _stub; } | |
1700 | |
1701 virtual void emit_code(LIR_Assembler* masm); | |
1702 virtual LIR_OpAllocArray * as_OpAllocArray () { return this; } | |
1703 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1704 }; | |
1705 | |
1706 | |
1707 class LIR_Op3: public LIR_Op { | |
1708 friend class LIR_OpVisitState; | |
1709 | |
1710 private: | |
1711 LIR_Opr _opr1; | |
1712 LIR_Opr _opr2; | |
1713 LIR_Opr _opr3; | |
1714 public: | |
1715 LIR_Op3(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr opr3, LIR_Opr result, CodeEmitInfo* info = NULL) | |
1716 : LIR_Op(code, result, info) | |
1717 , _opr1(opr1) | |
1718 , _opr2(opr2) | |
1719 , _opr3(opr3) { assert(is_in_range(code, begin_op3, end_op3), "code check"); } | |
1720 LIR_Opr in_opr1() const { return _opr1; } | |
1721 LIR_Opr in_opr2() const { return _opr2; } | |
1722 LIR_Opr in_opr3() const { return _opr3; } | |
1723 | |
1724 virtual void emit_code(LIR_Assembler* masm); | |
1725 virtual LIR_Op3* as_Op3() { return this; } | |
1726 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1727 }; | |
1728 | |
1729 | |
1730 //-------------------------------- | |
1731 class LabelObj: public CompilationResourceObj { | |
1732 private: | |
1733 Label _label; | |
1734 public: | |
1735 LabelObj() {} | |
1736 Label* label() { return &_label; } | |
1737 }; | |
1738 | |
1739 | |
1740 class LIR_OpLock: public LIR_Op { | |
1741 friend class LIR_OpVisitState; | |
1742 | |
1743 private: | |
1744 LIR_Opr _hdr; | |
1745 LIR_Opr _obj; | |
1746 LIR_Opr _lock; | |
1747 LIR_Opr _scratch; | |
1748 CodeStub* _stub; | |
1749 public: | |
1750 LIR_OpLock(LIR_Code code, LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) | |
1751 : LIR_Op(code, LIR_OprFact::illegalOpr, info) | |
1752 , _hdr(hdr) | |
1753 , _obj(obj) | |
1754 , _lock(lock) | |
1755 , _scratch(scratch) | |
1756 , _stub(stub) {} | |
1757 | |
1758 LIR_Opr hdr_opr() const { return _hdr; } | |
1759 LIR_Opr obj_opr() const { return _obj; } | |
1760 LIR_Opr lock_opr() const { return _lock; } | |
1761 LIR_Opr scratch_opr() const { return _scratch; } | |
1762 CodeStub* stub() const { return _stub; } | |
1763 | |
1764 virtual void emit_code(LIR_Assembler* masm); | |
1765 virtual LIR_OpLock* as_OpLock() { return this; } | |
1766 void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1767 }; | |
1768 | |
1769 | |
1770 class LIR_OpDelay: public LIR_Op { | |
1771 friend class LIR_OpVisitState; | |
1772 | |
1773 private: | |
1774 LIR_Op* _op; | |
1775 | |
1776 public: | |
1777 LIR_OpDelay(LIR_Op* op, CodeEmitInfo* info): | |
1778 LIR_Op(lir_delay_slot, LIR_OprFact::illegalOpr, info), | |
1779 _op(op) { | |
1780 assert(op->code() == lir_nop || LIRFillDelaySlots, "should be filling with nops"); | |
1781 } | |
1782 virtual void emit_code(LIR_Assembler* masm); | |
1783 virtual LIR_OpDelay* as_OpDelay() { return this; } | |
1784 void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1785 LIR_Op* delay_op() const { return _op; } | |
1786 CodeEmitInfo* call_info() const { return info(); } | |
1787 }; | |
1788 | |
1789 | |
1790 // LIR_OpCompareAndSwap | |
1791 class LIR_OpCompareAndSwap : public LIR_Op { | |
1792 friend class LIR_OpVisitState; | |
1793 | |
1794 private: | |
1795 LIR_Opr _addr; | |
1796 LIR_Opr _cmp_value; | |
1797 LIR_Opr _new_value; | |
1798 LIR_Opr _tmp1; | |
1799 LIR_Opr _tmp2; | |
1800 | |
1801 public: | |
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1802 LIR_OpCompareAndSwap(LIR_Code code, LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, |
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1803 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) |
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1804 : LIR_Op(code, result, NULL) // no result, no info |
0 | 1805 , _addr(addr) |
1806 , _cmp_value(cmp_value) | |
1807 , _new_value(new_value) | |
1808 , _tmp1(t1) | |
1809 , _tmp2(t2) { } | |
1810 | |
1811 LIR_Opr addr() const { return _addr; } | |
1812 LIR_Opr cmp_value() const { return _cmp_value; } | |
1813 LIR_Opr new_value() const { return _new_value; } | |
1814 LIR_Opr tmp1() const { return _tmp1; } | |
1815 LIR_Opr tmp2() const { return _tmp2; } | |
1816 | |
1817 virtual void emit_code(LIR_Assembler* masm); | |
1818 virtual LIR_OpCompareAndSwap * as_OpCompareAndSwap () { return this; } | |
1819 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1820 }; | |
1821 | |
1822 // LIR_OpProfileCall | |
1823 class LIR_OpProfileCall : public LIR_Op { | |
1824 friend class LIR_OpVisitState; | |
1825 | |
1826 private: | |
1827 ciMethod* _profiled_method; | |
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1828 int _profiled_bci; |
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1829 ciMethod* _profiled_callee; |
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1830 LIR_Opr _mdo; |
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1831 LIR_Opr _recv; |
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1832 LIR_Opr _tmp1; |
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1833 ciKlass* _known_holder; |
0 | 1834 |
1835 public: | |
1836 // Destroys recv | |
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1837 LIR_OpProfileCall(LIR_Code code, ciMethod* profiled_method, int profiled_bci, ciMethod* profiled_callee, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* known_holder) |
0 | 1838 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) // no result, no info |
1839 , _profiled_method(profiled_method) | |
1840 , _profiled_bci(profiled_bci) | |
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1841 , _profiled_callee(profiled_callee) |
0 | 1842 , _mdo(mdo) |
1843 , _recv(recv) | |
1844 , _tmp1(t1) | |
1845 , _known_holder(known_holder) { } | |
1846 | |
1847 ciMethod* profiled_method() const { return _profiled_method; } | |
1848 int profiled_bci() const { return _profiled_bci; } | |
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1849 ciMethod* profiled_callee() const { return _profiled_callee; } |
0 | 1850 LIR_Opr mdo() const { return _mdo; } |
1851 LIR_Opr recv() const { return _recv; } | |
1852 LIR_Opr tmp1() const { return _tmp1; } | |
1853 ciKlass* known_holder() const { return _known_holder; } | |
1854 | |
1855 virtual void emit_code(LIR_Assembler* masm); | |
1856 virtual LIR_OpProfileCall* as_OpProfileCall() { return this; } | |
1857 virtual void print_instr(outputStream* out) const PRODUCT_RETURN; | |
1858 }; | |
1859 | |
1860 class LIR_InsertionBuffer; | |
1861 | |
1862 //--------------------------------LIR_List--------------------------------------------------- | |
1863 // Maintains a list of LIR instructions (one instance of LIR_List per basic block) | |
1864 // The LIR instructions are appended by the LIR_List class itself; | |
1865 // | |
1866 // Notes: | |
1867 // - all offsets are(should be) in bytes | |
1868 // - local positions are specified with an offset, with offset 0 being local 0 | |
1869 | |
1870 class LIR_List: public CompilationResourceObj { | |
1871 private: | |
1872 LIR_OpList _operations; | |
1873 | |
1874 Compilation* _compilation; | |
1875 #ifndef PRODUCT | |
1876 BlockBegin* _block; | |
1877 #endif | |
1878 #ifdef ASSERT | |
1879 const char * _file; | |
1880 int _line; | |
1881 #endif | |
1882 | |
1883 void append(LIR_Op* op) { | |
1884 if (op->source() == NULL) | |
1885 op->set_source(_compilation->current_instruction()); | |
1886 #ifndef PRODUCT | |
1887 if (PrintIRWithLIR) { | |
1888 _compilation->maybe_print_current_instruction(); | |
1889 op->print(); tty->cr(); | |
1890 } | |
1891 #endif // PRODUCT | |
1892 | |
1893 _operations.append(op); | |
1894 | |
1895 #ifdef ASSERT | |
1896 op->verify(); | |
1897 op->set_file_and_line(_file, _line); | |
1898 _file = NULL; | |
1899 _line = 0; | |
1900 #endif | |
1901 } | |
1902 | |
1903 public: | |
1904 LIR_List(Compilation* compilation, BlockBegin* block = NULL); | |
1905 | |
1906 #ifdef ASSERT | |
1907 void set_file_and_line(const char * file, int line); | |
1908 #endif | |
1909 | |
1910 //---------- accessors --------------- | |
1911 LIR_OpList* instructions_list() { return &_operations; } | |
1912 int length() const { return _operations.length(); } | |
1913 LIR_Op* at(int i) const { return _operations.at(i); } | |
1914 | |
1915 NOT_PRODUCT(BlockBegin* block() const { return _block; }); | |
1916 | |
1917 // insert LIR_Ops in buffer to right places in LIR_List | |
1918 void append(LIR_InsertionBuffer* buffer); | |
1919 | |
1920 //---------- mutators --------------- | |
1921 void insert_before(int i, LIR_List* op_list) { _operations.insert_before(i, op_list->instructions_list()); } | |
1922 void insert_before(int i, LIR_Op* op) { _operations.insert_before(i, op); } | |
1783 | 1923 void remove_at(int i) { _operations.remove_at(i); } |
0 | 1924 |
1925 //---------- printing ------------- | |
1926 void print_instructions() PRODUCT_RETURN; | |
1927 | |
1928 | |
1929 //---------- instructions ------------- | |
1930 void call_opt_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, | |
1931 address dest, LIR_OprList* arguments, | |
1932 CodeEmitInfo* info) { | |
1933 append(new LIR_OpJavaCall(lir_optvirtual_call, method, receiver, result, dest, arguments, info)); | |
1934 } | |
1935 void call_static(ciMethod* method, LIR_Opr result, | |
1936 address dest, LIR_OprList* arguments, CodeEmitInfo* info) { | |
1937 append(new LIR_OpJavaCall(lir_static_call, method, LIR_OprFact::illegalOpr, result, dest, arguments, info)); | |
1938 } | |
1939 void call_icvirtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, | |
1940 address dest, LIR_OprList* arguments, CodeEmitInfo* info) { | |
1941 append(new LIR_OpJavaCall(lir_icvirtual_call, method, receiver, result, dest, arguments, info)); | |
1942 } | |
1943 void call_virtual(ciMethod* method, LIR_Opr receiver, LIR_Opr result, | |
1944 intptr_t vtable_offset, LIR_OprList* arguments, CodeEmitInfo* info) { | |
1945 append(new LIR_OpJavaCall(lir_virtual_call, method, receiver, result, vtable_offset, arguments, info)); | |
1946 } | |
1295 | 1947 void call_dynamic(ciMethod* method, LIR_Opr receiver, LIR_Opr result, |
1948 address dest, LIR_OprList* arguments, CodeEmitInfo* info) { | |
1949 append(new LIR_OpJavaCall(lir_dynamic_call, method, receiver, result, dest, arguments, info)); | |
1950 } | |
0 | 1951 |
1952 void get_thread(LIR_Opr result) { append(new LIR_Op0(lir_get_thread, result)); } | |
1953 void word_align() { append(new LIR_Op0(lir_word_align)); } | |
1954 void membar() { append(new LIR_Op0(lir_membar)); } | |
1955 void membar_acquire() { append(new LIR_Op0(lir_membar_acquire)); } | |
1956 void membar_release() { append(new LIR_Op0(lir_membar_release)); } | |
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1957 void membar_loadload() { append(new LIR_Op0(lir_membar_loadload)); } |
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1958 void membar_storestore() { append(new LIR_Op0(lir_membar_storestore)); } |
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1959 void membar_loadstore() { append(new LIR_Op0(lir_membar_loadstore)); } |
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1960 void membar_storeload() { append(new LIR_Op0(lir_membar_storeload)); } |
0 | 1961 |
1962 void nop() { append(new LIR_Op0(lir_nop)); } | |
1963 void build_frame() { append(new LIR_Op0(lir_build_frame)); } | |
1964 | |
1965 void std_entry(LIR_Opr receiver) { append(new LIR_Op0(lir_std_entry, receiver)); } | |
1966 void osr_entry(LIR_Opr osrPointer) { append(new LIR_Op0(lir_osr_entry, osrPointer)); } | |
1967 | |
1968 void branch_destination(Label* lbl) { append(new LIR_OpLabel(lbl)); } | |
1969 | |
1970 void negate(LIR_Opr from, LIR_Opr to) { append(new LIR_Op1(lir_neg, from, to)); } | |
1971 void leal(LIR_Opr from, LIR_Opr result_reg) { append(new LIR_Op1(lir_leal, from, result_reg)); } | |
1972 | |
1973 // result is a stack location for old backend and vreg for UseLinearScan | |
1974 // stack_loc_temp is an illegal register for old backend | |
1975 void roundfp(LIR_Opr reg, LIR_Opr stack_loc_temp, LIR_Opr result) { append(new LIR_OpRoundFP(reg, stack_loc_temp, result)); } | |
1976 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)); } | |
1977 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)); } | |
1978 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)); } | |
1979 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)); } | |
1980 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)); } | |
1981 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 | 1982 void move_wide(LIR_Address* src, LIR_Opr dst, CodeEmitInfo* info = NULL) { |
1983 if (UseCompressedOops) { | |
1984 append(new LIR_Op1(lir_move, LIR_OprFact::address(src), dst, src->type(), lir_patch_none, info, lir_move_wide)); | |
1985 } else { | |
1986 move(src, dst, info); | |
1987 } | |
1988 } | |
1989 void move_wide(LIR_Opr src, LIR_Address* dst, CodeEmitInfo* info = NULL) { | |
1990 if (UseCompressedOops) { | |
1991 append(new LIR_Op1(lir_move, src, LIR_OprFact::address(dst), dst->type(), lir_patch_none, info, lir_move_wide)); | |
1992 } else { | |
1993 move(src, dst, info); | |
1994 } | |
1995 } | |
0 | 1996 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)); } |
1997 | |
1998 void oop2reg (jobject o, LIR_Opr reg) { append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg)); } | |
1999 void oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info); | |
2000 | |
2001 void return_op(LIR_Opr result) { append(new LIR_Op1(lir_return, result)); } | |
2002 | |
2003 void safepoint(LIR_Opr tmp, CodeEmitInfo* info) { append(new LIR_Op1(lir_safepoint, tmp, info)); } | |
2004 | |
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2005 #ifdef PPC |
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2006 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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2007 #endif |
0 | 2008 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)); } |
2009 | |
2010 void logical_and (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_and, left, right, dst)); } | |
2011 void logical_or (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_or, left, right, dst)); } | |
2012 void logical_xor (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_xor, left, right, dst)); } | |
2013 | |
1783 | 2014 void pack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_pack64, src, dst, T_LONG, lir_patch_none, NULL)); } |
2015 void unpack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_unpack64, src, dst, T_LONG, lir_patch_none, NULL)); } | |
2016 | |
0 | 2017 void null_check(LIR_Opr opr, CodeEmitInfo* info) { append(new LIR_Op1(lir_null_check, opr, info)); } |
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2018 void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { |
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2019 append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info)); |
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2020 } |
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2021 void unwind_exception(LIR_Opr exceptionOop) { |
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2022 append(new LIR_Op1(lir_unwind, exceptionOop)); |
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2023 } |
0 | 2024 |
2025 void compare_to (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { | |
2026 append(new LIR_Op2(lir_compare_to, left, right, dst)); | |
2027 } | |
2028 | |
2029 void push(LIR_Opr opr) { append(new LIR_Op1(lir_push, opr)); } | |
2030 void pop(LIR_Opr reg) { append(new LIR_Op1(lir_pop, reg)); } | |
2031 | |
2032 void cmp(LIR_Condition condition, LIR_Opr left, LIR_Opr right, CodeEmitInfo* info = NULL) { | |
2033 append(new LIR_Op2(lir_cmp, condition, left, right, info)); | |
2034 } | |
2035 void cmp(LIR_Condition condition, LIR_Opr left, int right, CodeEmitInfo* info = NULL) { | |
2036 cmp(condition, left, LIR_OprFact::intConst(right), info); | |
2037 } | |
2038 | |
2039 void cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info); | |
2040 void cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info); | |
2041 | |
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2042 void cmove(LIR_Condition condition, LIR_Opr src1, LIR_Opr src2, LIR_Opr dst, BasicType type) { |
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2043 append(new LIR_Op2(lir_cmove, condition, src1, src2, dst, type)); |
0 | 2044 } |
2045 | |
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2046 void cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, |
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2047 LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr); |
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2048 void cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, |
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2049 LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr); |
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2050 void cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, |
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2051 LIR_Opr t1, LIR_Opr t2, LIR_Opr result = LIR_OprFact::illegalOpr); |
0 | 2052 |
2053 void abs (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_abs , from, tmp, to)); } | |
2054 void sqrt(LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_sqrt, from, tmp, to)); } | |
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2055 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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2056 void log10 (LIR_Opr from, LIR_Opr to, LIR_Opr tmp) { append(new LIR_Op2(lir_log10, from, LIR_OprFact::illegalOpr, to, tmp)); } |
0 | 2057 void sin (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_sin , from, tmp1, to, tmp2)); } |
2058 void cos (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_cos , from, tmp1, to, tmp2)); } | |
2059 void tan (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_tan , from, tmp1, to, tmp2)); } | |
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2060 void exp (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, LIR_Opr tmp4, LIR_Opr tmp5) { append(new LIR_Op2(lir_exp , from, tmp1, to, tmp2, tmp3, tmp4, tmp5)); } |
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2061 void pow (LIR_Opr arg1, LIR_Opr arg2, LIR_Opr res, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, LIR_Opr tmp4, LIR_Opr tmp5) { append(new LIR_Op2(lir_pow, arg1, arg2, res, tmp1, tmp2, tmp3, tmp4, tmp5)); } |
0 | 2062 |
2063 void add (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_add, left, right, res)); } | |
2064 void sub (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_sub, left, right, res, info)); } | |
2065 void mul (LIR_Opr left, LIR_Opr right, LIR_Opr res) { append(new LIR_Op2(lir_mul, left, right, res)); } | |
2066 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)); } | |
2067 void div (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_div, left, right, res, info)); } | |
2068 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)); } | |
2069 void rem (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_rem, left, right, res, info)); } | |
2070 | |
2071 void volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); | |
2072 void volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code); | |
2073 | |
2074 void load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none); | |
2075 | |
2076 void prefetch(LIR_Address* addr, bool is_store); | |
2077 | |
2078 void store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); | |
2079 void store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); | |
2080 void store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none); | |
2081 void volatile_store_mem_reg(LIR_Opr src, LIR_Address* address, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none); | |
2082 void volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code); | |
2083 | |
2084 void idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); | |
2085 void idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); | |
2086 void irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); | |
2087 void irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info); | |
2088 | |
2089 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); | |
2090 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); | |
2091 | |
2092 // jump is an unconditional branch | |
2093 void jump(BlockBegin* block) { | |
2094 append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, block)); | |
2095 } | |
2096 void jump(CodeStub* stub) { | |
2097 append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, stub)); | |
2098 } | |
4816 | 2099 void branch(LIR_Condition cond, BasicType type, Label* lbl) { append(new LIR_OpBranch(cond, type, lbl)); } |
0 | 2100 void branch(LIR_Condition cond, BasicType type, BlockBegin* block) { |
2101 assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons"); | |
2102 append(new LIR_OpBranch(cond, type, block)); | |
2103 } | |
2104 void branch(LIR_Condition cond, BasicType type, CodeStub* stub) { | |
2105 assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons"); | |
2106 append(new LIR_OpBranch(cond, type, stub)); | |
2107 } | |
2108 void branch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* unordered) { | |
2109 assert(type == T_FLOAT || type == T_DOUBLE, "fp comparisons only"); | |
2110 append(new LIR_OpBranch(cond, type, block, unordered)); | |
2111 } | |
2112 | |
2113 void shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); | |
2114 void shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); | |
2115 void unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp); | |
2116 | |
2117 void shift_left(LIR_Opr value, int count, LIR_Opr dst) { shift_left(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } | |
2118 void shift_right(LIR_Opr value, int count, LIR_Opr dst) { shift_right(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } | |
2119 void unsigned_shift_right(LIR_Opr value, int count, LIR_Opr dst) { unsigned_shift_right(value, LIR_OprFact::intConst(count), dst, LIR_OprFact::illegalOpr); } | |
2120 | |
2121 void lcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_cmp_l2i, left, right, dst)); } | |
2122 void fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less); | |
2123 | |
2124 void call_runtime_leaf(address routine, LIR_Opr tmp, LIR_Opr result, LIR_OprList* arguments) { | |
2125 append(new LIR_OpRTCall(routine, tmp, result, arguments)); | |
2126 } | |
2127 | |
2128 void call_runtime(address routine, LIR_Opr tmp, LIR_Opr result, | |
2129 LIR_OprList* arguments, CodeEmitInfo* info) { | |
2130 append(new LIR_OpRTCall(routine, tmp, result, arguments, info)); | |
2131 } | |
2132 | |
2133 void load_stack_address_monitor(int monitor_ix, LIR_Opr dst) { append(new LIR_Op1(lir_monaddr, LIR_OprFact::intConst(monitor_ix), dst)); } | |
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2134 void unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub); |
0 | 2135 void lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info); |
2136 | |
2137 void set_24bit_fpu() { append(new LIR_Op0(lir_24bit_FPU )); } | |
2138 void restore_fpu() { append(new LIR_Op0(lir_reset_FPU )); } | |
2139 void breakpoint() { append(new LIR_Op0(lir_breakpoint)); } | |
2140 | |
2141 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)); } | |
2142 | |
2143 void fpop_raw() { append(new LIR_Op0(lir_fpop_raw)); } | |
2144 | |
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2145 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); |
3957 | 2146 void store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci); |
1783 | 2147 |
0 | 2148 void checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, |
2149 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, | |
2150 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, | |
2151 ciMethod* profiled_method, int profiled_bci); | |
2152 // methodDataOop profiling | |
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2153 void profile_call(ciMethod* method, int bci, ciMethod* callee, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* cha_klass) { |
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2154 append(new LIR_OpProfileCall(lir_profile_call, method, bci, callee, mdo, recv, t1, cha_klass)); |
1783 | 2155 } |
0 | 2156 }; |
2157 | |
2158 void print_LIR(BlockList* blocks); | |
2159 | |
2160 class LIR_InsertionBuffer : public CompilationResourceObj { | |
2161 private: | |
2162 LIR_List* _lir; // the lir list where ops of this buffer should be inserted later (NULL when uninitialized) | |
2163 | |
2164 // list of insertion points. index and count are stored alternately: | |
2165 // _index_and_count[i * 2]: the index into lir list where "count" ops should be inserted | |
2166 // _index_and_count[i * 2 + 1]: the number of ops to be inserted at index | |
2167 intStack _index_and_count; | |
2168 | |
2169 // the LIR_Ops to be inserted | |
2170 LIR_OpList _ops; | |
2171 | |
2172 void append_new(int index, int count) { _index_and_count.append(index); _index_and_count.append(count); } | |
2173 void set_index_at(int i, int value) { _index_and_count.at_put((i << 1), value); } | |
2174 void set_count_at(int i, int value) { _index_and_count.at_put((i << 1) + 1, value); } | |
2175 | |
2176 #ifdef ASSERT | |
2177 void verify(); | |
2178 #endif | |
2179 public: | |
2180 LIR_InsertionBuffer() : _lir(NULL), _index_and_count(8), _ops(8) { } | |
2181 | |
2182 // must be called before using the insertion buffer | |
2183 void init(LIR_List* lir) { assert(!initialized(), "already initialized"); _lir = lir; _index_and_count.clear(); _ops.clear(); } | |
2184 bool initialized() const { return _lir != NULL; } | |
2185 // called automatically when the buffer is appended to the LIR_List | |
2186 void finish() { _lir = NULL; } | |
2187 | |
2188 // accessors | |
2189 LIR_List* lir_list() const { return _lir; } | |
2190 int number_of_insertion_points() const { return _index_and_count.length() >> 1; } | |
2191 int index_at(int i) const { return _index_and_count.at((i << 1)); } | |
2192 int count_at(int i) const { return _index_and_count.at((i << 1) + 1); } | |
2193 | |
2194 int number_of_ops() const { return _ops.length(); } | |
2195 LIR_Op* op_at(int i) const { return _ops.at(i); } | |
2196 | |
2197 // append an instruction to the buffer | |
2198 void append(int index, LIR_Op* op); | |
2199 | |
2200 // instruction | |
2201 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)); } | |
2202 }; | |
2203 | |
2204 | |
2205 // | |
2206 // LIR_OpVisitState is used for manipulating LIR_Ops in an abstract way. | |
2207 // Calling a LIR_Op's visit function with a LIR_OpVisitState causes | |
2208 // information about the input, output and temporaries used by the | |
2209 // op to be recorded. It also records whether the op has call semantics | |
2210 // and also records all the CodeEmitInfos used by this op. | |
2211 // | |
2212 | |
2213 | |
2214 class LIR_OpVisitState: public StackObj { | |
2215 public: | |
2216 typedef enum { inputMode, firstMode = inputMode, tempMode, outputMode, numModes, invalidMode = -1 } OprMode; | |
2217 | |
2218 enum { | |
1175
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953
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changeset
|
2219 maxNumberOfOperands = 16, |
0 | 2220 maxNumberOfInfos = 4 |
2221 }; | |
2222 | |
2223 private: | |
2224 LIR_Op* _op; | |
2225 | |
2226 // optimization: the operands and infos are not stored in a variable-length | |
2227 // list, but in a fixed-size array to save time of size checks and resizing | |
2228 int _oprs_len[numModes]; | |
2229 LIR_Opr* _oprs_new[numModes][maxNumberOfOperands]; | |
2230 int _info_len; | |
2231 CodeEmitInfo* _info_new[maxNumberOfInfos]; | |
2232 | |
2233 bool _has_call; | |
2234 bool _has_slow_case; | |
2235 | |
2236 | |
2237 // only include register operands | |
2238 // addresses are decomposed to the base and index registers | |
2239 // constants and stack operands are ignored | |
2240 void append(LIR_Opr& opr, OprMode mode) { | |
2241 assert(opr->is_valid(), "should not call this otherwise"); | |
2242 assert(mode >= 0 && mode < numModes, "bad mode"); | |
2243 | |
2244 if (opr->is_register()) { | |
2245 assert(_oprs_len[mode] < maxNumberOfOperands, "array overflow"); | |
2246 _oprs_new[mode][_oprs_len[mode]++] = &opr; | |
2247 | |
2248 } else if (opr->is_pointer()) { | |
2249 LIR_Address* address = opr->as_address_ptr(); | |
2250 if (address != NULL) { | |
2251 // special handling for addresses: add base and index register of the address | |
2252 // both are always input operands! | |
2253 if (address->_base->is_valid()) { | |
2254 assert(address->_base->is_register(), "must be"); | |
2255 assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow"); | |
2256 _oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_base; | |
2257 } | |
2258 if (address->_index->is_valid()) { | |
2259 assert(address->_index->is_register(), "must be"); | |
2260 assert(_oprs_len[inputMode] < maxNumberOfOperands, "array overflow"); | |
2261 _oprs_new[inputMode][_oprs_len[inputMode]++] = &address->_index; | |
2262 } | |
2263 | |
2264 } else { | |
2265 assert(opr->is_constant(), "constant operands are not processed"); | |
2266 } | |
2267 } else { | |
2268 assert(opr->is_stack(), "stack operands are not processed"); | |
2269 } | |
2270 } | |
2271 | |
2272 void append(CodeEmitInfo* info) { | |
2273 assert(info != NULL, "should not call this otherwise"); | |
2274 assert(_info_len < maxNumberOfInfos, "array overflow"); | |
2275 _info_new[_info_len++] = info; | |
2276 } | |
2277 | |
2278 public: | |
2279 LIR_OpVisitState() { reset(); } | |
2280 | |
2281 LIR_Op* op() const { return _op; } | |
2282 void set_op(LIR_Op* op) { reset(); _op = op; } | |
2283 | |
2284 bool has_call() const { return _has_call; } | |
2285 bool has_slow_case() const { return _has_slow_case; } | |
2286 | |
2287 void reset() { | |
2288 _op = NULL; | |
2289 _has_call = false; | |
2290 _has_slow_case = false; | |
2291 | |
2292 _oprs_len[inputMode] = 0; | |
2293 _oprs_len[tempMode] = 0; | |
2294 _oprs_len[outputMode] = 0; | |
2295 _info_len = 0; | |
2296 } | |
2297 | |
2298 | |
2299 int opr_count(OprMode mode) const { | |
2300 assert(mode >= 0 && mode < numModes, "bad mode"); | |
2301 return _oprs_len[mode]; | |
2302 } | |
2303 | |
2304 LIR_Opr opr_at(OprMode mode, int index) const { | |
2305 assert(mode >= 0 && mode < numModes, "bad mode"); | |
2306 assert(index >= 0 && index < _oprs_len[mode], "index out of bound"); | |
2307 return *_oprs_new[mode][index]; | |
2308 } | |
2309 | |
2310 void set_opr_at(OprMode mode, int index, LIR_Opr opr) const { | |
2311 assert(mode >= 0 && mode < numModes, "bad mode"); | |
2312 assert(index >= 0 && index < _oprs_len[mode], "index out of bound"); | |
2313 *_oprs_new[mode][index] = opr; | |
2314 } | |
2315 | |
2316 int info_count() const { | |
2317 return _info_len; | |
2318 } | |
2319 | |
2320 CodeEmitInfo* info_at(int index) const { | |
2321 assert(index < _info_len, "index out of bounds"); | |
2322 return _info_new[index]; | |
2323 } | |
2324 | |
2325 XHandlers* all_xhandler(); | |
2326 | |
2327 // collects all register operands of the instruction | |
2328 void visit(LIR_Op* op); | |
2329 | |
2330 #if ASSERT | |
2331 // check that an operation has no operands | |
2332 bool no_operands(LIR_Op* op); | |
2333 #endif | |
2334 | |
2335 // LIR_Op visitor functions use these to fill in the state | |
2336 void do_input(LIR_Opr& opr) { append(opr, LIR_OpVisitState::inputMode); } | |
2337 void do_output(LIR_Opr& opr) { append(opr, LIR_OpVisitState::outputMode); } | |
2338 void do_temp(LIR_Opr& opr) { append(opr, LIR_OpVisitState::tempMode); } | |
2339 void do_info(CodeEmitInfo* info) { append(info); } | |
2340 | |
2341 void do_stub(CodeStub* stub); | |
2342 void do_call() { _has_call = true; } | |
2343 void do_slow_case() { _has_slow_case = true; } | |
2344 void do_slow_case(CodeEmitInfo* info) { | |
2345 _has_slow_case = true; | |
2346 append(info); | |
2347 } | |
2348 }; | |
2349 | |
2350 | |
2351 inline LIR_Opr LIR_OprDesc::illegalOpr() { return LIR_OprFact::illegalOpr; }; | |
1972 | 2352 |
2353 #endif // SHARE_VM_C1_C1_LIR_HPP |