Mercurial > hg > graal-jvmci-8
annotate src/cpu/sparc/vm/c1_CodeStubs_sparc.cpp @ 1783:d5d065957597
6953144: Tiered compilation
Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.
Reviewed-by: kvn, never, phh, twisti
author | iveresov |
---|---|
date | Fri, 03 Sep 2010 17:51:07 -0700 |
parents | c18cbe5936b8 |
children | f02a8bbe6ed4 |
rev | line source |
---|---|
0 | 1 /* |
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2 * Copyright (c) 1999, 2010, 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 |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 #include "incls/_precompiled.incl" | |
26 #include "incls/_c1_CodeStubs_sparc.cpp.incl" | |
27 | |
28 #define __ ce->masm()-> | |
29 | |
30 RangeCheckStub::RangeCheckStub(CodeEmitInfo* info, LIR_Opr index, | |
31 bool throw_index_out_of_bounds_exception) | |
32 : _throw_index_out_of_bounds_exception(throw_index_out_of_bounds_exception) | |
33 , _index(index) | |
34 { | |
35 _info = new CodeEmitInfo(info); | |
36 } | |
37 | |
38 | |
39 void RangeCheckStub::emit_code(LIR_Assembler* ce) { | |
40 __ bind(_entry); | |
41 | |
42 if (_index->is_register()) { | |
43 __ mov(_index->as_register(), G4); | |
44 } else { | |
45 __ set(_index->as_jint(), G4); | |
46 } | |
47 if (_throw_index_out_of_bounds_exception) { | |
48 __ call(Runtime1::entry_for(Runtime1::throw_index_exception_id), relocInfo::runtime_call_type); | |
49 } else { | |
50 __ call(Runtime1::entry_for(Runtime1::throw_range_check_failed_id), relocInfo::runtime_call_type); | |
51 } | |
52 __ delayed()->nop(); | |
53 ce->add_call_info_here(_info); | |
54 ce->verify_oop_map(_info); | |
55 #ifdef ASSERT | |
56 __ should_not_reach_here(); | |
57 #endif | |
58 } | |
59 | |
60 | |
61 void CounterOverflowStub::emit_code(LIR_Assembler* ce) { | |
62 __ bind(_entry); | |
63 __ set(_bci, G4); | |
64 __ call(Runtime1::entry_for(Runtime1::counter_overflow_id), relocInfo::runtime_call_type); | |
1783 | 65 __ delayed()->mov_or_nop(_method->as_register(), G5); |
0 | 66 ce->add_call_info_here(_info); |
67 ce->verify_oop_map(_info); | |
68 | |
69 __ br(Assembler::always, true, Assembler::pt, _continuation); | |
70 __ delayed()->nop(); | |
71 } | |
72 | |
73 | |
74 void DivByZeroStub::emit_code(LIR_Assembler* ce) { | |
75 if (_offset != -1) { | |
76 ce->compilation()->implicit_exception_table()->append(_offset, __ offset()); | |
77 } | |
78 __ bind(_entry); | |
79 __ call(Runtime1::entry_for(Runtime1::throw_div0_exception_id), relocInfo::runtime_call_type); | |
80 __ delayed()->nop(); | |
81 ce->add_call_info_here(_info); | |
82 ce->verify_oop_map(_info); | |
83 #ifdef ASSERT | |
84 __ should_not_reach_here(); | |
85 #endif | |
86 } | |
87 | |
88 | |
89 void ImplicitNullCheckStub::emit_code(LIR_Assembler* ce) { | |
90 ce->compilation()->implicit_exception_table()->append(_offset, __ offset()); | |
91 __ bind(_entry); | |
92 __ call(Runtime1::entry_for(Runtime1::throw_null_pointer_exception_id), | |
93 relocInfo::runtime_call_type); | |
94 __ delayed()->nop(); | |
95 ce->add_call_info_here(_info); | |
96 ce->verify_oop_map(_info); | |
97 #ifdef ASSERT | |
98 __ should_not_reach_here(); | |
99 #endif | |
100 } | |
101 | |
102 | |
103 // Implementation of SimpleExceptionStub | |
104 // Note: %g1 and %g3 are already in use | |
105 void SimpleExceptionStub::emit_code(LIR_Assembler* ce) { | |
106 __ bind(_entry); | |
107 __ call(Runtime1::entry_for(_stub), relocInfo::runtime_call_type); | |
108 | |
109 if (_obj->is_valid()) { | |
110 __ delayed()->mov(_obj->as_register(), G4); // _obj contains the optional argument to the stub | |
111 } else { | |
112 __ delayed()->mov(G0, G4); | |
113 } | |
114 ce->add_call_info_here(_info); | |
115 #ifdef ASSERT | |
116 __ should_not_reach_here(); | |
117 #endif | |
118 } | |
119 | |
120 | |
121 // Implementation of ArrayStoreExceptionStub | |
122 | |
123 ArrayStoreExceptionStub::ArrayStoreExceptionStub(CodeEmitInfo* info): | |
124 _info(info) { | |
125 } | |
126 | |
127 | |
128 void ArrayStoreExceptionStub::emit_code(LIR_Assembler* ce) { | |
129 __ bind(_entry); | |
130 __ call(Runtime1::entry_for(Runtime1::throw_array_store_exception_id), relocInfo::runtime_call_type); | |
131 __ delayed()->nop(); | |
132 ce->add_call_info_here(_info); | |
133 ce->verify_oop_map(_info); | |
134 #ifdef ASSERT | |
135 __ should_not_reach_here(); | |
136 #endif | |
137 } | |
138 | |
139 | |
140 | |
141 | |
142 // Implementation of NewInstanceStub | |
143 | |
144 NewInstanceStub::NewInstanceStub(LIR_Opr klass_reg, LIR_Opr result, ciInstanceKlass* klass, CodeEmitInfo* info, Runtime1::StubID stub_id) { | |
145 _result = result; | |
146 _klass = klass; | |
147 _klass_reg = klass_reg; | |
148 _info = new CodeEmitInfo(info); | |
149 assert(stub_id == Runtime1::new_instance_id || | |
150 stub_id == Runtime1::fast_new_instance_id || | |
151 stub_id == Runtime1::fast_new_instance_init_check_id, | |
152 "need new_instance id"); | |
153 _stub_id = stub_id; | |
154 } | |
155 | |
156 | |
157 void NewInstanceStub::emit_code(LIR_Assembler* ce) { | |
158 __ bind(_entry); | |
159 __ call(Runtime1::entry_for(_stub_id), relocInfo::runtime_call_type); | |
160 __ delayed()->mov_or_nop(_klass_reg->as_register(), G5); | |
161 ce->add_call_info_here(_info); | |
162 ce->verify_oop_map(_info); | |
163 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
164 __ delayed()->mov_or_nop(O0, _result->as_register()); | |
165 } | |
166 | |
167 | |
168 // Implementation of NewTypeArrayStub | |
169 NewTypeArrayStub::NewTypeArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) { | |
170 _klass_reg = klass_reg; | |
171 _length = length; | |
172 _result = result; | |
173 _info = new CodeEmitInfo(info); | |
174 } | |
175 | |
176 | |
177 void NewTypeArrayStub::emit_code(LIR_Assembler* ce) { | |
178 __ bind(_entry); | |
179 | |
180 __ mov(_length->as_register(), G4); | |
181 __ call(Runtime1::entry_for(Runtime1::new_type_array_id), relocInfo::runtime_call_type); | |
182 __ delayed()->mov_or_nop(_klass_reg->as_register(), G5); | |
183 ce->add_call_info_here(_info); | |
184 ce->verify_oop_map(_info); | |
185 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
186 __ delayed()->mov_or_nop(O0, _result->as_register()); | |
187 } | |
188 | |
189 | |
190 // Implementation of NewObjectArrayStub | |
191 | |
192 NewObjectArrayStub::NewObjectArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) { | |
193 _klass_reg = klass_reg; | |
194 _length = length; | |
195 _result = result; | |
196 _info = new CodeEmitInfo(info); | |
197 } | |
198 | |
199 | |
200 void NewObjectArrayStub::emit_code(LIR_Assembler* ce) { | |
201 __ bind(_entry); | |
202 | |
203 __ mov(_length->as_register(), G4); | |
204 __ call(Runtime1::entry_for(Runtime1::new_object_array_id), relocInfo::runtime_call_type); | |
205 __ delayed()->mov_or_nop(_klass_reg->as_register(), G5); | |
206 ce->add_call_info_here(_info); | |
207 ce->verify_oop_map(_info); | |
208 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
209 __ delayed()->mov_or_nop(O0, _result->as_register()); | |
210 } | |
211 | |
212 | |
213 // Implementation of MonitorAccessStubs | |
214 MonitorEnterStub::MonitorEnterStub(LIR_Opr obj_reg, LIR_Opr lock_reg, CodeEmitInfo* info) | |
215 : MonitorAccessStub(obj_reg, lock_reg) { | |
216 _info = new CodeEmitInfo(info); | |
217 } | |
218 | |
219 | |
220 void MonitorEnterStub::emit_code(LIR_Assembler* ce) { | |
221 __ bind(_entry); | |
222 __ mov(_obj_reg->as_register(), G4); | |
223 if (ce->compilation()->has_fpu_code()) { | |
224 __ call(Runtime1::entry_for(Runtime1::monitorenter_id), relocInfo::runtime_call_type); | |
225 } else { | |
226 __ call(Runtime1::entry_for(Runtime1::monitorenter_nofpu_id), relocInfo::runtime_call_type); | |
227 } | |
228 __ delayed()->mov_or_nop(_lock_reg->as_register(), G5); | |
229 ce->add_call_info_here(_info); | |
230 ce->verify_oop_map(_info); | |
231 __ br(Assembler::always, true, Assembler::pt, _continuation); | |
232 __ delayed()->nop(); | |
233 } | |
234 | |
235 | |
236 void MonitorExitStub::emit_code(LIR_Assembler* ce) { | |
237 __ bind(_entry); | |
238 if (_compute_lock) { | |
239 ce->monitor_address(_monitor_ix, _lock_reg); | |
240 } | |
241 if (ce->compilation()->has_fpu_code()) { | |
242 __ call(Runtime1::entry_for(Runtime1::monitorexit_id), relocInfo::runtime_call_type); | |
243 } else { | |
244 __ call(Runtime1::entry_for(Runtime1::monitorexit_nofpu_id), relocInfo::runtime_call_type); | |
245 } | |
246 | |
247 __ delayed()->mov_or_nop(_lock_reg->as_register(), G4); | |
248 __ br(Assembler::always, true, Assembler::pt, _continuation); | |
249 __ delayed()->nop(); | |
250 } | |
251 | |
252 // Implementation of patching: | |
253 // - Copy the code at given offset to an inlined buffer (first the bytes, then the number of bytes) | |
254 // - Replace original code with a call to the stub | |
255 // At Runtime: | |
256 // - call to stub, jump to runtime | |
257 // - in runtime: preserve all registers (especially objects, i.e., source and destination object) | |
258 // - in runtime: after initializing class, restore original code, reexecute instruction | |
259 | |
260 int PatchingStub::_patch_info_offset = -NativeGeneralJump::instruction_size; | |
261 | |
262 void PatchingStub::align_patch_site(MacroAssembler* ) { | |
263 // patch sites on sparc are always properly aligned. | |
264 } | |
265 | |
266 void PatchingStub::emit_code(LIR_Assembler* ce) { | |
267 // copy original code here | |
268 assert(NativeCall::instruction_size <= _bytes_to_copy && _bytes_to_copy <= 0xFF, | |
269 "not enough room for call"); | |
270 assert((_bytes_to_copy & 0x3) == 0, "must copy a multiple of four bytes"); | |
271 | |
272 Label call_patch; | |
273 | |
274 int being_initialized_entry = __ offset(); | |
275 | |
276 if (_id == load_klass_id) { | |
277 // produce a copy of the load klass instruction for use by the being initialized case | |
727 | 278 #ifdef ASSERT |
0 | 279 address start = __ pc(); |
727 | 280 #endif |
281 AddressLiteral addrlit(NULL, oop_Relocation::spec(_oop_index)); | |
282 __ patchable_set(addrlit, _obj); | |
0 | 283 |
284 #ifdef ASSERT | |
285 for (int i = 0; i < _bytes_to_copy; i++) { | |
286 address ptr = (address)(_pc_start + i); | |
287 int a_byte = (*ptr) & 0xFF; | |
288 assert(a_byte == *start++, "should be the same code"); | |
289 } | |
290 #endif | |
291 } else { | |
292 // make a copy the code which is going to be patched. | |
293 for (int i = 0; i < _bytes_to_copy; i++) { | |
294 address ptr = (address)(_pc_start + i); | |
295 int a_byte = (*ptr) & 0xFF; | |
296 __ a_byte (a_byte); | |
297 } | |
298 } | |
299 | |
300 address end_of_patch = __ pc(); | |
301 int bytes_to_skip = 0; | |
302 if (_id == load_klass_id) { | |
303 int offset = __ offset(); | |
304 if (CommentedAssembly) { | |
305 __ block_comment(" being_initialized check"); | |
306 } | |
307 | |
308 // static field accesses have special semantics while the class | |
309 // initializer is being run so we emit a test which can be used to | |
310 // check that this code is being executed by the initializing | |
311 // thread. | |
312 assert(_obj != noreg, "must be a valid register"); | |
313 assert(_oop_index >= 0, "must have oop index"); | |
314 __ ld_ptr(_obj, instanceKlass::init_thread_offset_in_bytes() + sizeof(klassOopDesc), G3); | |
315 __ cmp(G2_thread, G3); | |
316 __ br(Assembler::notEqual, false, Assembler::pn, call_patch); | |
317 __ delayed()->nop(); | |
318 | |
319 // load_klass patches may execute the patched code before it's | |
320 // copied back into place so we need to jump back into the main | |
321 // code of the nmethod to continue execution. | |
322 __ br(Assembler::always, false, Assembler::pt, _patch_site_continuation); | |
323 __ delayed()->nop(); | |
324 | |
325 // make sure this extra code gets skipped | |
326 bytes_to_skip += __ offset() - offset; | |
327 } | |
328 | |
329 // Now emit the patch record telling the runtime how to find the | |
330 // pieces of the patch. We only need 3 bytes but it has to be | |
331 // aligned as an instruction so emit 4 bytes. | |
332 int sizeof_patch_record = 4; | |
333 bytes_to_skip += sizeof_patch_record; | |
334 | |
335 // emit the offsets needed to find the code to patch | |
336 int being_initialized_entry_offset = __ offset() - being_initialized_entry + sizeof_patch_record; | |
337 | |
338 // Emit the patch record. We need to emit a full word, so emit an extra empty byte | |
339 __ a_byte(0); | |
340 __ a_byte(being_initialized_entry_offset); | |
341 __ a_byte(bytes_to_skip); | |
342 __ a_byte(_bytes_to_copy); | |
343 address patch_info_pc = __ pc(); | |
344 assert(patch_info_pc - end_of_patch == bytes_to_skip, "incorrect patch info"); | |
345 | |
346 address entry = __ pc(); | |
347 NativeGeneralJump::insert_unconditional((address)_pc_start, entry); | |
348 address target = NULL; | |
349 switch (_id) { | |
350 case access_field_id: target = Runtime1::entry_for(Runtime1::access_field_patching_id); break; | |
351 case load_klass_id: target = Runtime1::entry_for(Runtime1::load_klass_patching_id); break; | |
352 default: ShouldNotReachHere(); | |
353 } | |
354 __ bind(call_patch); | |
355 | |
356 if (CommentedAssembly) { | |
357 __ block_comment("patch entry point"); | |
358 } | |
359 __ call(target, relocInfo::runtime_call_type); | |
360 __ delayed()->nop(); | |
361 assert(_patch_info_offset == (patch_info_pc - __ pc()), "must not change"); | |
362 ce->add_call_info_here(_info); | |
363 __ br(Assembler::always, false, Assembler::pt, _patch_site_entry); | |
364 __ delayed()->nop(); | |
365 if (_id == load_klass_id) { | |
366 CodeSection* cs = __ code_section(); | |
367 address pc = (address)_pc_start; | |
368 RelocIterator iter(cs, pc, pc + 1); | |
369 relocInfo::change_reloc_info_for_address(&iter, (address) pc, relocInfo::oop_type, relocInfo::none); | |
370 | |
371 pc = (address)(_pc_start + NativeMovConstReg::add_offset); | |
372 RelocIterator iter2(cs, pc, pc+1); | |
373 relocInfo::change_reloc_info_for_address(&iter2, (address) pc, relocInfo::oop_type, relocInfo::none); | |
374 } | |
375 | |
376 } | |
377 | |
1295 | 378 |
379 void DeoptimizeStub::emit_code(LIR_Assembler* ce) { | |
380 __ bind(_entry); | |
381 __ call(SharedRuntime::deopt_blob()->unpack_with_reexecution()); | |
382 __ delayed()->nop(); | |
383 ce->add_call_info_here(_info); | |
384 debug_only(__ should_not_reach_here()); | |
385 } | |
386 | |
387 | |
0 | 388 void ArrayCopyStub::emit_code(LIR_Assembler* ce) { |
389 //---------------slow case: call to native----------------- | |
390 __ bind(_entry); | |
391 __ mov(src()->as_register(), O0); | |
392 __ mov(src_pos()->as_register(), O1); | |
393 __ mov(dst()->as_register(), O2); | |
394 __ mov(dst_pos()->as_register(), O3); | |
395 __ mov(length()->as_register(), O4); | |
396 | |
397 ce->emit_static_call_stub(); | |
398 | |
399 __ call(SharedRuntime::get_resolve_static_call_stub(), relocInfo::static_call_type); | |
400 __ delayed()->nop(); | |
401 ce->add_call_info_here(info()); | |
402 ce->verify_oop_map(info()); | |
403 | |
404 #ifndef PRODUCT | |
405 __ set((intptr_t)&Runtime1::_arraycopy_slowcase_cnt, O0); | |
406 __ ld(O0, 0, O1); | |
407 __ inc(O1); | |
408 __ st(O1, 0, O0); | |
409 #endif | |
410 | |
411 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
412 __ delayed()->nop(); | |
413 } | |
414 | |
415 | |
342 | 416 /////////////////////////////////////////////////////////////////////////////////// |
417 #ifndef SERIALGC | |
418 | |
419 void G1PreBarrierStub::emit_code(LIR_Assembler* ce) { | |
420 __ bind(_entry); | |
421 | |
422 assert(pre_val()->is_register(), "Precondition."); | |
423 | |
424 Register pre_val_reg = pre_val()->as_register(); | |
425 | |
426 ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false); | |
427 __ br_on_reg_cond(Assembler::rc_z, /*annul*/false, Assembler::pt, | |
428 pre_val_reg, _continuation); | |
429 __ delayed()->nop(); | |
430 | |
431 __ call(Runtime1::entry_for(Runtime1::Runtime1::g1_pre_barrier_slow_id)); | |
432 __ delayed()->mov(pre_val_reg, G4); | |
433 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
434 __ delayed()->nop(); | |
435 | |
436 } | |
437 | |
438 jbyte* G1PostBarrierStub::_byte_map_base = NULL; | |
439 | |
440 jbyte* G1PostBarrierStub::byte_map_base_slow() { | |
441 BarrierSet* bs = Universe::heap()->barrier_set(); | |
442 assert(bs->is_a(BarrierSet::G1SATBCTLogging), | |
443 "Must be if we're using this."); | |
444 return ((G1SATBCardTableModRefBS*)bs)->byte_map_base; | |
445 } | |
446 | |
447 void G1PostBarrierStub::emit_code(LIR_Assembler* ce) { | |
448 __ bind(_entry); | |
449 | |
450 assert(addr()->is_register(), "Precondition."); | |
451 assert(new_val()->is_register(), "Precondition."); | |
452 Register addr_reg = addr()->as_pointer_register(); | |
453 Register new_val_reg = new_val()->as_register(); | |
454 __ br_on_reg_cond(Assembler::rc_z, /*annul*/false, Assembler::pt, | |
455 new_val_reg, _continuation); | |
456 __ delayed()->nop(); | |
457 | |
458 __ call(Runtime1::entry_for(Runtime1::Runtime1::g1_post_barrier_slow_id)); | |
459 __ delayed()->mov(addr_reg, G4); | |
460 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
461 __ delayed()->nop(); | |
462 } | |
463 | |
464 #endif // SERIALGC | |
465 /////////////////////////////////////////////////////////////////////////////////// | |
466 | |
0 | 467 #undef __ |