Mercurial > hg > truffle
annotate src/cpu/sparc/vm/templateTable_sparc.cpp @ 2480:4b95bbb36464
7035870: JSR 292: Zero support
Summary: This adds support for JSR 292 to Zero.
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
author | twisti |
---|---|
date | Tue, 12 Apr 2011 02:40:23 -0700 |
parents | 38fea01eb669 |
children | 92add02409c9 08ccee2c4dbf |
rev | line source |
---|---|
0 | 1 /* |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "interpreter/interpreter.hpp" | |
27 #include "interpreter/interpreterRuntime.hpp" | |
28 #include "interpreter/templateTable.hpp" | |
29 #include "memory/universe.inline.hpp" | |
30 #include "oops/methodDataOop.hpp" | |
31 #include "oops/objArrayKlass.hpp" | |
32 #include "oops/oop.inline.hpp" | |
33 #include "prims/methodHandles.hpp" | |
34 #include "runtime/sharedRuntime.hpp" | |
35 #include "runtime/stubRoutines.hpp" | |
36 #include "runtime/synchronizer.hpp" | |
0 | 37 |
38 #ifndef CC_INTERP | |
39 #define __ _masm-> | |
40 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
41 // Misc helpers |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
42 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
43 // Do an oop store like *(base + index + offset) = val |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
44 // index can be noreg, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
45 static void do_oop_store(InterpreterMacroAssembler* _masm, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
46 Register base, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
47 Register index, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
48 int offset, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
49 Register val, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
50 Register tmp, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
51 BarrierSet::Name barrier, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
52 bool precise) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
53 assert(tmp != val && tmp != base && tmp != index, "register collision"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
54 assert(index == noreg || offset == 0, "only one offset"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
55 switch (barrier) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
56 #ifndef SERIALGC |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
57 case BarrierSet::G1SATBCT: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
58 case BarrierSet::G1SATBCTLogging: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
59 { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
60 __ g1_write_barrier_pre( base, index, offset, tmp, /*preserve_o_regs*/true); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
61 if (index == noreg ) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
62 assert(Assembler::is_simm13(offset), "fix this code"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
63 __ store_heap_oop(val, base, offset); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
64 } else { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
65 __ store_heap_oop(val, base, index); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
66 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
67 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
68 // No need for post barrier if storing NULL |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
69 if (val != G0) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
70 if (precise) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
71 if (index == noreg) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
72 __ add(base, offset, base); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
73 } else { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
74 __ add(base, index, base); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
75 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
76 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
77 __ g1_write_barrier_post(base, val, tmp); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
78 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
79 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
80 break; |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
81 #endif // SERIALGC |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
82 case BarrierSet::CardTableModRef: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
83 case BarrierSet::CardTableExtension: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
84 { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
85 if (index == noreg ) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
86 assert(Assembler::is_simm13(offset), "fix this code"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
87 __ store_heap_oop(val, base, offset); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
88 } else { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
89 __ store_heap_oop(val, base, index); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
90 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
91 // No need for post barrier if storing NULL |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
92 if (val != G0) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
93 if (precise) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
94 if (index == noreg) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
95 __ add(base, offset, base); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
96 } else { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
97 __ add(base, index, base); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
98 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
99 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
100 __ card_write_barrier_post(base, val, tmp); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
101 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
102 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
103 break; |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
104 case BarrierSet::ModRef: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
105 case BarrierSet::Other: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
106 ShouldNotReachHere(); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
107 break; |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
108 default : |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
109 ShouldNotReachHere(); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
110 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
111 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
112 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
113 |
0 | 114 |
115 //---------------------------------------------------------------------------------------------------- | |
116 // Platform-dependent initialization | |
117 | |
118 void TemplateTable::pd_initialize() { | |
119 // (none) | |
120 } | |
121 | |
122 | |
123 //---------------------------------------------------------------------------------------------------- | |
124 // Condition conversion | |
125 Assembler::Condition ccNot(TemplateTable::Condition cc) { | |
126 switch (cc) { | |
127 case TemplateTable::equal : return Assembler::notEqual; | |
128 case TemplateTable::not_equal : return Assembler::equal; | |
129 case TemplateTable::less : return Assembler::greaterEqual; | |
130 case TemplateTable::less_equal : return Assembler::greater; | |
131 case TemplateTable::greater : return Assembler::lessEqual; | |
132 case TemplateTable::greater_equal: return Assembler::less; | |
133 } | |
134 ShouldNotReachHere(); | |
135 return Assembler::zero; | |
136 } | |
137 | |
138 //---------------------------------------------------------------------------------------------------- | |
139 // Miscelaneous helper routines | |
140 | |
141 | |
142 Address TemplateTable::at_bcp(int offset) { | |
143 assert(_desc->uses_bcp(), "inconsistent uses_bcp information"); | |
727 | 144 return Address(Lbcp, offset); |
0 | 145 } |
146 | |
147 | |
148 void TemplateTable::patch_bytecode(Bytecodes::Code bc, Register Rbyte_code, | |
149 Register Rscratch, | |
150 bool load_bc_into_scratch /*=true*/) { | |
151 // With sharing on, may need to test methodOop flag. | |
152 if (!RewriteBytecodes) return; | |
153 if (load_bc_into_scratch) __ set(bc, Rbyte_code); | |
154 Label patch_done; | |
155 if (JvmtiExport::can_post_breakpoint()) { | |
156 Label fast_patch; | |
157 __ ldub(at_bcp(0), Rscratch); | |
158 __ cmp(Rscratch, Bytecodes::_breakpoint); | |
159 __ br(Assembler::notEqual, false, Assembler::pt, fast_patch); | |
160 __ delayed()->nop(); // don't bother to hoist the stb here | |
161 // perform the quickening, slowly, in the bowels of the breakpoint table | |
162 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::set_original_bytecode_at), Lmethod, Lbcp, Rbyte_code); | |
163 __ ba(false, patch_done); | |
164 __ delayed()->nop(); | |
165 __ bind(fast_patch); | |
166 } | |
167 #ifdef ASSERT | |
168 Bytecodes::Code orig_bytecode = Bytecodes::java_code(bc); | |
169 Label okay; | |
170 __ ldub(at_bcp(0), Rscratch); | |
171 __ cmp(Rscratch, orig_bytecode); | |
172 __ br(Assembler::equal, false, Assembler::pt, okay); | |
173 __ delayed() ->cmp(Rscratch, Rbyte_code); | |
174 __ br(Assembler::equal, false, Assembler::pt, okay); | |
175 __ delayed()->nop(); | |
176 __ stop("Rewriting wrong bytecode location"); | |
177 __ bind(okay); | |
178 #endif | |
179 __ stb(Rbyte_code, at_bcp(0)); | |
180 __ bind(patch_done); | |
181 } | |
182 | |
183 //---------------------------------------------------------------------------------------------------- | |
184 // Individual instructions | |
185 | |
186 void TemplateTable::nop() { | |
187 transition(vtos, vtos); | |
188 // nothing to do | |
189 } | |
190 | |
191 void TemplateTable::shouldnotreachhere() { | |
192 transition(vtos, vtos); | |
193 __ stop("shouldnotreachhere bytecode"); | |
194 } | |
195 | |
196 void TemplateTable::aconst_null() { | |
197 transition(vtos, atos); | |
198 __ clr(Otos_i); | |
199 } | |
200 | |
201 | |
202 void TemplateTable::iconst(int value) { | |
203 transition(vtos, itos); | |
204 __ set(value, Otos_i); | |
205 } | |
206 | |
207 | |
208 void TemplateTable::lconst(int value) { | |
209 transition(vtos, ltos); | |
210 assert(value >= 0, "check this code"); | |
211 #ifdef _LP64 | |
212 __ set(value, Otos_l); | |
213 #else | |
214 __ set(value, Otos_l2); | |
215 __ clr( Otos_l1); | |
216 #endif | |
217 } | |
218 | |
219 | |
220 void TemplateTable::fconst(int value) { | |
221 transition(vtos, ftos); | |
222 static float zero = 0.0, one = 1.0, two = 2.0; | |
223 float* p; | |
224 switch( value ) { | |
225 default: ShouldNotReachHere(); | |
226 case 0: p = &zero; break; | |
227 case 1: p = &one; break; | |
228 case 2: p = &two; break; | |
229 } | |
727 | 230 AddressLiteral a(p); |
231 __ sethi(a, G3_scratch); | |
232 __ ldf(FloatRegisterImpl::S, G3_scratch, a.low10(), Ftos_f); | |
0 | 233 } |
234 | |
235 | |
236 void TemplateTable::dconst(int value) { | |
237 transition(vtos, dtos); | |
238 static double zero = 0.0, one = 1.0; | |
239 double* p; | |
240 switch( value ) { | |
241 default: ShouldNotReachHere(); | |
242 case 0: p = &zero; break; | |
243 case 1: p = &one; break; | |
244 } | |
727 | 245 AddressLiteral a(p); |
246 __ sethi(a, G3_scratch); | |
247 __ ldf(FloatRegisterImpl::D, G3_scratch, a.low10(), Ftos_d); | |
0 | 248 } |
249 | |
250 | |
251 // %%%%% Should factore most snippet templates across platforms | |
252 | |
253 void TemplateTable::bipush() { | |
254 transition(vtos, itos); | |
255 __ ldsb( at_bcp(1), Otos_i ); | |
256 } | |
257 | |
258 void TemplateTable::sipush() { | |
259 transition(vtos, itos); | |
260 __ get_2_byte_integer_at_bcp(1, G3_scratch, Otos_i, InterpreterMacroAssembler::Signed); | |
261 } | |
262 | |
263 void TemplateTable::ldc(bool wide) { | |
264 transition(vtos, vtos); | |
265 Label call_ldc, notInt, notString, notClass, exit; | |
266 | |
267 if (wide) { | |
268 __ get_2_byte_integer_at_bcp(1, G3_scratch, O1, InterpreterMacroAssembler::Unsigned); | |
269 } else { | |
270 __ ldub(Lbcp, 1, O1); | |
271 } | |
272 __ get_cpool_and_tags(O0, O2); | |
273 | |
274 const int base_offset = constantPoolOopDesc::header_size() * wordSize; | |
275 const int tags_offset = typeArrayOopDesc::header_size(T_BYTE) * wordSize; | |
276 | |
277 // get type from tags | |
278 __ add(O2, tags_offset, O2); | |
279 __ ldub(O2, O1, O2); | |
280 __ cmp(O2, JVM_CONSTANT_UnresolvedString); // unresolved string? If so, must resolve | |
281 __ brx(Assembler::equal, true, Assembler::pt, call_ldc); | |
282 __ delayed()->nop(); | |
283 | |
284 __ cmp(O2, JVM_CONSTANT_UnresolvedClass); // unresolved class? If so, must resolve | |
285 __ brx(Assembler::equal, true, Assembler::pt, call_ldc); | |
286 __ delayed()->nop(); | |
287 | |
288 __ cmp(O2, JVM_CONSTANT_UnresolvedClassInError); // unresolved class in error state | |
289 __ brx(Assembler::equal, true, Assembler::pn, call_ldc); | |
290 __ delayed()->nop(); | |
291 | |
292 __ cmp(O2, JVM_CONSTANT_Class); // need to call vm to get java mirror of the class | |
293 __ brx(Assembler::notEqual, true, Assembler::pt, notClass); | |
294 __ delayed()->add(O0, base_offset, O0); | |
295 | |
296 __ bind(call_ldc); | |
297 __ set(wide, O1); | |
298 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::ldc), O1); | |
299 __ push(atos); | |
300 __ ba(false, exit); | |
301 __ delayed()->nop(); | |
302 | |
303 __ bind(notClass); | |
304 // __ add(O0, base_offset, O0); | |
305 __ sll(O1, LogBytesPerWord, O1); | |
306 __ cmp(O2, JVM_CONSTANT_Integer); | |
307 __ brx(Assembler::notEqual, true, Assembler::pt, notInt); | |
308 __ delayed()->cmp(O2, JVM_CONSTANT_String); | |
309 __ ld(O0, O1, Otos_i); | |
310 __ push(itos); | |
311 __ ba(false, exit); | |
312 __ delayed()->nop(); | |
313 | |
314 __ bind(notInt); | |
315 // __ cmp(O2, JVM_CONSTANT_String); | |
316 __ brx(Assembler::notEqual, true, Assembler::pt, notString); | |
317 __ delayed()->ldf(FloatRegisterImpl::S, O0, O1, Ftos_f); | |
318 __ ld_ptr(O0, O1, Otos_i); | |
319 __ verify_oop(Otos_i); | |
320 __ push(atos); | |
321 __ ba(false, exit); | |
322 __ delayed()->nop(); | |
323 | |
324 __ bind(notString); | |
325 // __ ldf(FloatRegisterImpl::S, O0, O1, Ftos_f); | |
326 __ push(ftos); | |
327 | |
328 __ bind(exit); | |
329 } | |
330 | |
1602 | 331 // Fast path for caching oop constants. |
332 // %%% We should use this to handle Class and String constants also. | |
333 // %%% It will simplify the ldc/primitive path considerably. | |
334 void TemplateTable::fast_aldc(bool wide) { | |
335 transition(vtos, atos); | |
336 | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2357
diff
changeset
|
337 if (!EnableInvokeDynamic) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2357
diff
changeset
|
338 // We should not encounter this bytecode if !EnableInvokeDynamic. |
1602 | 339 // The verifier will stop it. However, if we get past the verifier, |
340 // this will stop the thread in a reasonable way, without crashing the JVM. | |
341 __ call_VM(noreg, CAST_FROM_FN_PTR(address, | |
342 InterpreterRuntime::throw_IncompatibleClassChangeError)); | |
343 // the call_VM checks for exception, so we should never return here. | |
344 __ should_not_reach_here(); | |
345 return; | |
346 } | |
347 | |
348 Register Rcache = G3_scratch; | |
349 Register Rscratch = G4_scratch; | |
350 | |
351 resolve_cache_and_index(f1_oop, Otos_i, Rcache, Rscratch, wide ? sizeof(u2) : sizeof(u1)); | |
352 | |
353 __ verify_oop(Otos_i); | |
1913
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
354 |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
355 Label L_done; |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
356 const Register Rcon_klass = G3_scratch; // same as Rcache |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
357 const Register Rarray_klass = G4_scratch; // same as Rscratch |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
358 __ load_klass(Otos_i, Rcon_klass); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
359 AddressLiteral array_klass_addr((address)Universe::systemObjArrayKlassObj_addr()); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
360 __ load_contents(array_klass_addr, Rarray_klass); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
361 __ cmp(Rarray_klass, Rcon_klass); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
362 __ brx(Assembler::notEqual, false, Assembler::pt, L_done); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
363 __ delayed()->nop(); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
364 __ ld(Address(Otos_i, arrayOopDesc::length_offset_in_bytes()), Rcon_klass); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
365 __ tst(Rcon_klass); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
366 __ brx(Assembler::zero, true, Assembler::pt, L_done); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
367 __ delayed()->clr(Otos_i); // executed only if branch is taken |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
368 |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
369 // Load the exception from the system-array which wraps it: |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
370 __ load_heap_oop(Otos_i, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
371 __ throw_if_not_x(Assembler::never, Interpreter::throw_exception_entry(), G3_scratch); |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
372 |
3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents:
1846
diff
changeset
|
373 __ bind(L_done); |
1602 | 374 } |
375 | |
0 | 376 void TemplateTable::ldc2_w() { |
377 transition(vtos, vtos); | |
378 Label retry, resolved, Long, exit; | |
379 | |
380 __ bind(retry); | |
381 __ get_2_byte_integer_at_bcp(1, G3_scratch, O1, InterpreterMacroAssembler::Unsigned); | |
382 __ get_cpool_and_tags(O0, O2); | |
383 | |
384 const int base_offset = constantPoolOopDesc::header_size() * wordSize; | |
385 const int tags_offset = typeArrayOopDesc::header_size(T_BYTE) * wordSize; | |
386 // get type from tags | |
387 __ add(O2, tags_offset, O2); | |
388 __ ldub(O2, O1, O2); | |
389 | |
390 __ sll(O1, LogBytesPerWord, O1); | |
391 __ add(O0, O1, G3_scratch); | |
392 | |
393 __ cmp(O2, JVM_CONSTANT_Double); | |
394 __ brx(Assembler::notEqual, false, Assembler::pt, Long); | |
395 __ delayed()->nop(); | |
396 // A double can be placed at word-aligned locations in the constant pool. | |
397 // Check out Conversions.java for an example. | |
398 // Also constantPoolOopDesc::header_size() is 20, which makes it very difficult | |
399 // to double-align double on the constant pool. SG, 11/7/97 | |
400 #ifdef _LP64 | |
401 __ ldf(FloatRegisterImpl::D, G3_scratch, base_offset, Ftos_d); | |
402 #else | |
403 FloatRegister f = Ftos_d; | |
404 __ ldf(FloatRegisterImpl::S, G3_scratch, base_offset, f); | |
405 __ ldf(FloatRegisterImpl::S, G3_scratch, base_offset + sizeof(jdouble)/2, | |
406 f->successor()); | |
407 #endif | |
408 __ push(dtos); | |
409 __ ba(false, exit); | |
410 __ delayed()->nop(); | |
411 | |
412 __ bind(Long); | |
413 #ifdef _LP64 | |
414 __ ldx(G3_scratch, base_offset, Otos_l); | |
415 #else | |
416 __ ld(G3_scratch, base_offset, Otos_l); | |
417 __ ld(G3_scratch, base_offset + sizeof(jlong)/2, Otos_l->successor()); | |
418 #endif | |
419 __ push(ltos); | |
420 | |
421 __ bind(exit); | |
422 } | |
423 | |
424 | |
425 void TemplateTable::locals_index(Register reg, int offset) { | |
426 __ ldub( at_bcp(offset), reg ); | |
427 } | |
428 | |
429 | |
430 void TemplateTable::locals_index_wide(Register reg) { | |
431 // offset is 2, not 1, because Lbcp points to wide prefix code | |
432 __ get_2_byte_integer_at_bcp(2, G4_scratch, reg, InterpreterMacroAssembler::Unsigned); | |
433 } | |
434 | |
435 void TemplateTable::iload() { | |
436 transition(vtos, itos); | |
437 // Rewrite iload,iload pair into fast_iload2 | |
438 // iload,caload pair into fast_icaload | |
439 if (RewriteFrequentPairs) { | |
440 Label rewrite, done; | |
441 | |
442 // get next byte | |
443 __ ldub(at_bcp(Bytecodes::length_for(Bytecodes::_iload)), G3_scratch); | |
444 | |
445 // if _iload, wait to rewrite to iload2. We only want to rewrite the | |
446 // last two iloads in a pair. Comparing against fast_iload means that | |
447 // the next bytecode is neither an iload or a caload, and therefore | |
448 // an iload pair. | |
449 __ cmp(G3_scratch, (int)Bytecodes::_iload); | |
450 __ br(Assembler::equal, false, Assembler::pn, done); | |
451 __ delayed()->nop(); | |
452 | |
453 __ cmp(G3_scratch, (int)Bytecodes::_fast_iload); | |
454 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
455 __ delayed()->set(Bytecodes::_fast_iload2, G4_scratch); | |
456 | |
457 __ cmp(G3_scratch, (int)Bytecodes::_caload); | |
458 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
459 __ delayed()->set(Bytecodes::_fast_icaload, G4_scratch); | |
460 | |
461 __ set(Bytecodes::_fast_iload, G4_scratch); // don't check again | |
462 // rewrite | |
463 // G4_scratch: fast bytecode | |
464 __ bind(rewrite); | |
465 patch_bytecode(Bytecodes::_iload, G4_scratch, G3_scratch, false); | |
466 __ bind(done); | |
467 } | |
468 | |
469 // Get the local value into tos | |
470 locals_index(G3_scratch); | |
471 __ access_local_int( G3_scratch, Otos_i ); | |
472 } | |
473 | |
474 void TemplateTable::fast_iload2() { | |
475 transition(vtos, itos); | |
476 locals_index(G3_scratch); | |
477 __ access_local_int( G3_scratch, Otos_i ); | |
478 __ push_i(); | |
479 locals_index(G3_scratch, 3); // get next bytecode's local index. | |
480 __ access_local_int( G3_scratch, Otos_i ); | |
481 } | |
482 | |
483 void TemplateTable::fast_iload() { | |
484 transition(vtos, itos); | |
485 locals_index(G3_scratch); | |
486 __ access_local_int( G3_scratch, Otos_i ); | |
487 } | |
488 | |
489 void TemplateTable::lload() { | |
490 transition(vtos, ltos); | |
491 locals_index(G3_scratch); | |
492 __ access_local_long( G3_scratch, Otos_l ); | |
493 } | |
494 | |
495 | |
496 void TemplateTable::fload() { | |
497 transition(vtos, ftos); | |
498 locals_index(G3_scratch); | |
499 __ access_local_float( G3_scratch, Ftos_f ); | |
500 } | |
501 | |
502 | |
503 void TemplateTable::dload() { | |
504 transition(vtos, dtos); | |
505 locals_index(G3_scratch); | |
506 __ access_local_double( G3_scratch, Ftos_d ); | |
507 } | |
508 | |
509 | |
510 void TemplateTable::aload() { | |
511 transition(vtos, atos); | |
512 locals_index(G3_scratch); | |
513 __ access_local_ptr( G3_scratch, Otos_i); | |
514 } | |
515 | |
516 | |
517 void TemplateTable::wide_iload() { | |
518 transition(vtos, itos); | |
519 locals_index_wide(G3_scratch); | |
520 __ access_local_int( G3_scratch, Otos_i ); | |
521 } | |
522 | |
523 | |
524 void TemplateTable::wide_lload() { | |
525 transition(vtos, ltos); | |
526 locals_index_wide(G3_scratch); | |
527 __ access_local_long( G3_scratch, Otos_l ); | |
528 } | |
529 | |
530 | |
531 void TemplateTable::wide_fload() { | |
532 transition(vtos, ftos); | |
533 locals_index_wide(G3_scratch); | |
534 __ access_local_float( G3_scratch, Ftos_f ); | |
535 } | |
536 | |
537 | |
538 void TemplateTable::wide_dload() { | |
539 transition(vtos, dtos); | |
540 locals_index_wide(G3_scratch); | |
541 __ access_local_double( G3_scratch, Ftos_d ); | |
542 } | |
543 | |
544 | |
545 void TemplateTable::wide_aload() { | |
546 transition(vtos, atos); | |
547 locals_index_wide(G3_scratch); | |
548 __ access_local_ptr( G3_scratch, Otos_i ); | |
549 __ verify_oop(Otos_i); | |
550 } | |
551 | |
552 | |
553 void TemplateTable::iaload() { | |
554 transition(itos, itos); | |
555 // Otos_i: index | |
556 // tos: array | |
557 __ index_check(O2, Otos_i, LogBytesPerInt, G3_scratch, O3); | |
558 __ ld(O3, arrayOopDesc::base_offset_in_bytes(T_INT), Otos_i); | |
559 } | |
560 | |
561 | |
562 void TemplateTable::laload() { | |
563 transition(itos, ltos); | |
564 // Otos_i: index | |
565 // O2: array | |
566 __ index_check(O2, Otos_i, LogBytesPerLong, G3_scratch, O3); | |
567 __ ld_long(O3, arrayOopDesc::base_offset_in_bytes(T_LONG), Otos_l); | |
568 } | |
569 | |
570 | |
571 void TemplateTable::faload() { | |
572 transition(itos, ftos); | |
573 // Otos_i: index | |
574 // O2: array | |
575 __ index_check(O2, Otos_i, LogBytesPerInt, G3_scratch, O3); | |
576 __ ldf(FloatRegisterImpl::S, O3, arrayOopDesc::base_offset_in_bytes(T_FLOAT), Ftos_f); | |
577 } | |
578 | |
579 | |
580 void TemplateTable::daload() { | |
581 transition(itos, dtos); | |
582 // Otos_i: index | |
583 // O2: array | |
584 __ index_check(O2, Otos_i, LogBytesPerLong, G3_scratch, O3); | |
585 __ ldf(FloatRegisterImpl::D, O3, arrayOopDesc::base_offset_in_bytes(T_DOUBLE), Ftos_d); | |
586 } | |
587 | |
588 | |
589 void TemplateTable::aaload() { | |
590 transition(itos, atos); | |
591 // Otos_i: index | |
592 // tos: array | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
593 __ index_check(O2, Otos_i, UseCompressedOops ? 2 : LogBytesPerWord, G3_scratch, O3); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
594 __ load_heap_oop(O3, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i); |
0 | 595 __ verify_oop(Otos_i); |
596 } | |
597 | |
598 | |
599 void TemplateTable::baload() { | |
600 transition(itos, itos); | |
601 // Otos_i: index | |
602 // tos: array | |
603 __ index_check(O2, Otos_i, 0, G3_scratch, O3); | |
604 __ ldsb(O3, arrayOopDesc::base_offset_in_bytes(T_BYTE), Otos_i); | |
605 } | |
606 | |
607 | |
608 void TemplateTable::caload() { | |
609 transition(itos, itos); | |
610 // Otos_i: index | |
611 // tos: array | |
612 __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); | |
613 __ lduh(O3, arrayOopDesc::base_offset_in_bytes(T_CHAR), Otos_i); | |
614 } | |
615 | |
616 void TemplateTable::fast_icaload() { | |
617 transition(vtos, itos); | |
618 // Otos_i: index | |
619 // tos: array | |
620 locals_index(G3_scratch); | |
621 __ access_local_int( G3_scratch, Otos_i ); | |
622 __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); | |
623 __ lduh(O3, arrayOopDesc::base_offset_in_bytes(T_CHAR), Otos_i); | |
624 } | |
625 | |
626 | |
627 void TemplateTable::saload() { | |
628 transition(itos, itos); | |
629 // Otos_i: index | |
630 // tos: array | |
631 __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); | |
632 __ ldsh(O3, arrayOopDesc::base_offset_in_bytes(T_SHORT), Otos_i); | |
633 } | |
634 | |
635 | |
636 void TemplateTable::iload(int n) { | |
637 transition(vtos, itos); | |
638 __ ld( Llocals, Interpreter::local_offset_in_bytes(n), Otos_i ); | |
639 } | |
640 | |
641 | |
642 void TemplateTable::lload(int n) { | |
643 transition(vtos, ltos); | |
644 assert(n+1 < Argument::n_register_parameters, "would need more code"); | |
645 __ load_unaligned_long(Llocals, Interpreter::local_offset_in_bytes(n+1), Otos_l); | |
646 } | |
647 | |
648 | |
649 void TemplateTable::fload(int n) { | |
650 transition(vtos, ftos); | |
651 assert(n < Argument::n_register_parameters, "would need more code"); | |
652 __ ldf( FloatRegisterImpl::S, Llocals, Interpreter::local_offset_in_bytes(n), Ftos_f ); | |
653 } | |
654 | |
655 | |
656 void TemplateTable::dload(int n) { | |
657 transition(vtos, dtos); | |
658 FloatRegister dst = Ftos_d; | |
659 __ load_unaligned_double(Llocals, Interpreter::local_offset_in_bytes(n+1), dst); | |
660 } | |
661 | |
662 | |
663 void TemplateTable::aload(int n) { | |
664 transition(vtos, atos); | |
665 __ ld_ptr( Llocals, Interpreter::local_offset_in_bytes(n), Otos_i ); | |
666 } | |
667 | |
668 | |
669 void TemplateTable::aload_0() { | |
670 transition(vtos, atos); | |
671 | |
672 // According to bytecode histograms, the pairs: | |
673 // | |
674 // _aload_0, _fast_igetfield (itos) | |
675 // _aload_0, _fast_agetfield (atos) | |
676 // _aload_0, _fast_fgetfield (ftos) | |
677 // | |
678 // occur frequently. If RewriteFrequentPairs is set, the (slow) _aload_0 | |
679 // bytecode checks the next bytecode and then rewrites the current | |
680 // bytecode into a pair bytecode; otherwise it rewrites the current | |
681 // bytecode into _fast_aload_0 that doesn't do the pair check anymore. | |
682 // | |
683 if (RewriteFrequentPairs) { | |
684 Label rewrite, done; | |
685 | |
686 // get next byte | |
687 __ ldub(at_bcp(Bytecodes::length_for(Bytecodes::_aload_0)), G3_scratch); | |
688 | |
689 // do actual aload_0 | |
690 aload(0); | |
691 | |
692 // if _getfield then wait with rewrite | |
693 __ cmp(G3_scratch, (int)Bytecodes::_getfield); | |
694 __ br(Assembler::equal, false, Assembler::pn, done); | |
695 __ delayed()->nop(); | |
696 | |
697 // if _igetfield then rewrite to _fast_iaccess_0 | |
698 assert(Bytecodes::java_code(Bytecodes::_fast_iaccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
699 __ cmp(G3_scratch, (int)Bytecodes::_fast_igetfield); | |
700 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
701 __ delayed()->set(Bytecodes::_fast_iaccess_0, G4_scratch); | |
702 | |
703 // if _agetfield then rewrite to _fast_aaccess_0 | |
704 assert(Bytecodes::java_code(Bytecodes::_fast_aaccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
705 __ cmp(G3_scratch, (int)Bytecodes::_fast_agetfield); | |
706 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
707 __ delayed()->set(Bytecodes::_fast_aaccess_0, G4_scratch); | |
708 | |
709 // if _fgetfield then rewrite to _fast_faccess_0 | |
710 assert(Bytecodes::java_code(Bytecodes::_fast_faccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
711 __ cmp(G3_scratch, (int)Bytecodes::_fast_fgetfield); | |
712 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
713 __ delayed()->set(Bytecodes::_fast_faccess_0, G4_scratch); | |
714 | |
715 // else rewrite to _fast_aload0 | |
716 assert(Bytecodes::java_code(Bytecodes::_fast_aload_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
717 __ set(Bytecodes::_fast_aload_0, G4_scratch); | |
718 | |
719 // rewrite | |
720 // G4_scratch: fast bytecode | |
721 __ bind(rewrite); | |
722 patch_bytecode(Bytecodes::_aload_0, G4_scratch, G3_scratch, false); | |
723 __ bind(done); | |
724 } else { | |
725 aload(0); | |
726 } | |
727 } | |
728 | |
729 | |
730 void TemplateTable::istore() { | |
731 transition(itos, vtos); | |
732 locals_index(G3_scratch); | |
733 __ store_local_int( G3_scratch, Otos_i ); | |
734 } | |
735 | |
736 | |
737 void TemplateTable::lstore() { | |
738 transition(ltos, vtos); | |
739 locals_index(G3_scratch); | |
740 __ store_local_long( G3_scratch, Otos_l ); | |
741 } | |
742 | |
743 | |
744 void TemplateTable::fstore() { | |
745 transition(ftos, vtos); | |
746 locals_index(G3_scratch); | |
747 __ store_local_float( G3_scratch, Ftos_f ); | |
748 } | |
749 | |
750 | |
751 void TemplateTable::dstore() { | |
752 transition(dtos, vtos); | |
753 locals_index(G3_scratch); | |
754 __ store_local_double( G3_scratch, Ftos_d ); | |
755 } | |
756 | |
757 | |
758 void TemplateTable::astore() { | |
759 transition(vtos, vtos); | |
1506 | 760 __ load_ptr(0, Otos_i); |
761 __ inc(Lesp, Interpreter::stackElementSize); | |
0 | 762 __ verify_oop_or_return_address(Otos_i, G3_scratch); |
763 locals_index(G3_scratch); | |
1506 | 764 __ store_local_ptr(G3_scratch, Otos_i); |
0 | 765 } |
766 | |
767 | |
768 void TemplateTable::wide_istore() { | |
769 transition(vtos, vtos); | |
770 __ pop_i(); | |
771 locals_index_wide(G3_scratch); | |
772 __ store_local_int( G3_scratch, Otos_i ); | |
773 } | |
774 | |
775 | |
776 void TemplateTable::wide_lstore() { | |
777 transition(vtos, vtos); | |
778 __ pop_l(); | |
779 locals_index_wide(G3_scratch); | |
780 __ store_local_long( G3_scratch, Otos_l ); | |
781 } | |
782 | |
783 | |
784 void TemplateTable::wide_fstore() { | |
785 transition(vtos, vtos); | |
786 __ pop_f(); | |
787 locals_index_wide(G3_scratch); | |
788 __ store_local_float( G3_scratch, Ftos_f ); | |
789 } | |
790 | |
791 | |
792 void TemplateTable::wide_dstore() { | |
793 transition(vtos, vtos); | |
794 __ pop_d(); | |
795 locals_index_wide(G3_scratch); | |
796 __ store_local_double( G3_scratch, Ftos_d ); | |
797 } | |
798 | |
799 | |
800 void TemplateTable::wide_astore() { | |
801 transition(vtos, vtos); | |
1506 | 802 __ load_ptr(0, Otos_i); |
803 __ inc(Lesp, Interpreter::stackElementSize); | |
0 | 804 __ verify_oop_or_return_address(Otos_i, G3_scratch); |
805 locals_index_wide(G3_scratch); | |
1506 | 806 __ store_local_ptr(G3_scratch, Otos_i); |
0 | 807 } |
808 | |
809 | |
810 void TemplateTable::iastore() { | |
811 transition(itos, vtos); | |
812 __ pop_i(O2); // index | |
813 // Otos_i: val | |
814 // O3: array | |
815 __ index_check(O3, O2, LogBytesPerInt, G3_scratch, O2); | |
816 __ st(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_INT)); | |
817 } | |
818 | |
819 | |
820 void TemplateTable::lastore() { | |
821 transition(ltos, vtos); | |
822 __ pop_i(O2); // index | |
823 // Otos_l: val | |
824 // O3: array | |
825 __ index_check(O3, O2, LogBytesPerLong, G3_scratch, O2); | |
826 __ st_long(Otos_l, O2, arrayOopDesc::base_offset_in_bytes(T_LONG)); | |
827 } | |
828 | |
829 | |
830 void TemplateTable::fastore() { | |
831 transition(ftos, vtos); | |
832 __ pop_i(O2); // index | |
833 // Ftos_f: val | |
834 // O3: array | |
835 __ index_check(O3, O2, LogBytesPerInt, G3_scratch, O2); | |
836 __ stf(FloatRegisterImpl::S, Ftos_f, O2, arrayOopDesc::base_offset_in_bytes(T_FLOAT)); | |
837 } | |
838 | |
839 | |
840 void TemplateTable::dastore() { | |
841 transition(dtos, vtos); | |
842 __ pop_i(O2); // index | |
843 // Fos_d: val | |
844 // O3: array | |
845 __ index_check(O3, O2, LogBytesPerLong, G3_scratch, O2); | |
846 __ stf(FloatRegisterImpl::D, Ftos_d, O2, arrayOopDesc::base_offset_in_bytes(T_DOUBLE)); | |
847 } | |
848 | |
849 | |
850 void TemplateTable::aastore() { | |
851 Label store_ok, is_null, done; | |
852 transition(vtos, vtos); | |
853 __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(0), Otos_i); | |
854 __ ld(Lesp, Interpreter::expr_offset_in_bytes(1), O2); // get index | |
855 __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(2), O3); // get array | |
856 // Otos_i: val | |
857 // O2: index | |
858 // O3: array | |
859 __ verify_oop(Otos_i); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
860 __ index_check_without_pop(O3, O2, UseCompressedOops ? 2 : LogBytesPerWord, G3_scratch, O1); |
0 | 861 |
862 // do array store check - check for NULL value first | |
863 __ br_null( Otos_i, false, Assembler::pn, is_null ); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
864 __ delayed()->nop(); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
865 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
866 __ load_klass(O3, O4); // get array klass |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
867 __ load_klass(Otos_i, O5); // get value klass |
0 | 868 |
869 // do fast instanceof cache test | |
870 | |
871 __ ld_ptr(O4, sizeof(oopDesc) + objArrayKlass::element_klass_offset_in_bytes(), O4); | |
872 | |
873 assert(Otos_i == O0, "just checking"); | |
874 | |
875 // Otos_i: value | |
876 // O1: addr - offset | |
877 // O2: index | |
878 // O3: array | |
879 // O4: array element klass | |
880 // O5: value klass | |
881 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
882 // Address element(O1, 0, arrayOopDesc::base_offset_in_bytes(T_OBJECT)); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
883 |
0 | 884 // Generate a fast subtype check. Branch to store_ok if no |
885 // failure. Throw if failure. | |
886 __ gen_subtype_check( O5, O4, G3_scratch, G4_scratch, G1_scratch, store_ok ); | |
887 | |
888 // Not a subtype; so must throw exception | |
889 __ throw_if_not_x( Assembler::never, Interpreter::_throw_ArrayStoreException_entry, G3_scratch ); | |
890 | |
891 // Store is OK. | |
892 __ bind(store_ok); | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
893 do_oop_store(_masm, O1, noreg, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i, G3_scratch, _bs->kind(), true); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
894 |
0 | 895 __ ba(false,done); |
1506 | 896 __ delayed()->inc(Lesp, 3* Interpreter::stackElementSize); // adj sp (pops array, index and value) |
0 | 897 |
898 __ bind(is_null); | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
899 do_oop_store(_masm, O1, noreg, arrayOopDesc::base_offset_in_bytes(T_OBJECT), G0, G4_scratch, _bs->kind(), true); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
900 |
0 | 901 __ profile_null_seen(G3_scratch); |
1506 | 902 __ inc(Lesp, 3* Interpreter::stackElementSize); // adj sp (pops array, index and value) |
0 | 903 __ bind(done); |
904 } | |
905 | |
906 | |
907 void TemplateTable::bastore() { | |
908 transition(itos, vtos); | |
909 __ pop_i(O2); // index | |
910 // Otos_i: val | |
911 // O3: array | |
912 __ index_check(O3, O2, 0, G3_scratch, O2); | |
913 __ stb(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_BYTE)); | |
914 } | |
915 | |
916 | |
917 void TemplateTable::castore() { | |
918 transition(itos, vtos); | |
919 __ pop_i(O2); // index | |
920 // Otos_i: val | |
921 // O3: array | |
922 __ index_check(O3, O2, LogBytesPerShort, G3_scratch, O2); | |
923 __ sth(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_CHAR)); | |
924 } | |
925 | |
926 | |
927 void TemplateTable::sastore() { | |
928 // %%%%% Factor across platform | |
929 castore(); | |
930 } | |
931 | |
932 | |
933 void TemplateTable::istore(int n) { | |
934 transition(itos, vtos); | |
935 __ st(Otos_i, Llocals, Interpreter::local_offset_in_bytes(n)); | |
936 } | |
937 | |
938 | |
939 void TemplateTable::lstore(int n) { | |
940 transition(ltos, vtos); | |
941 assert(n+1 < Argument::n_register_parameters, "only handle register cases"); | |
942 __ store_unaligned_long(Otos_l, Llocals, Interpreter::local_offset_in_bytes(n+1)); | |
943 | |
944 } | |
945 | |
946 | |
947 void TemplateTable::fstore(int n) { | |
948 transition(ftos, vtos); | |
949 assert(n < Argument::n_register_parameters, "only handle register cases"); | |
950 __ stf(FloatRegisterImpl::S, Ftos_f, Llocals, Interpreter::local_offset_in_bytes(n)); | |
951 } | |
952 | |
953 | |
954 void TemplateTable::dstore(int n) { | |
955 transition(dtos, vtos); | |
956 FloatRegister src = Ftos_d; | |
957 __ store_unaligned_double(src, Llocals, Interpreter::local_offset_in_bytes(n+1)); | |
958 } | |
959 | |
960 | |
961 void TemplateTable::astore(int n) { | |
962 transition(vtos, vtos); | |
1506 | 963 __ load_ptr(0, Otos_i); |
964 __ inc(Lesp, Interpreter::stackElementSize); | |
0 | 965 __ verify_oop_or_return_address(Otos_i, G3_scratch); |
1506 | 966 __ store_local_ptr(n, Otos_i); |
0 | 967 } |
968 | |
969 | |
970 void TemplateTable::pop() { | |
971 transition(vtos, vtos); | |
1506 | 972 __ inc(Lesp, Interpreter::stackElementSize); |
0 | 973 } |
974 | |
975 | |
976 void TemplateTable::pop2() { | |
977 transition(vtos, vtos); | |
1506 | 978 __ inc(Lesp, 2 * Interpreter::stackElementSize); |
0 | 979 } |
980 | |
981 | |
982 void TemplateTable::dup() { | |
983 transition(vtos, vtos); | |
984 // stack: ..., a | |
985 // load a and tag | |
1506 | 986 __ load_ptr(0, Otos_i); |
987 __ push_ptr(Otos_i); | |
0 | 988 // stack: ..., a, a |
989 } | |
990 | |
991 | |
992 void TemplateTable::dup_x1() { | |
993 transition(vtos, vtos); | |
994 // stack: ..., a, b | |
1506 | 995 __ load_ptr( 1, G3_scratch); // get a |
996 __ load_ptr( 0, Otos_l1); // get b | |
997 __ store_ptr(1, Otos_l1); // put b | |
998 __ store_ptr(0, G3_scratch); // put a - like swap | |
999 __ push_ptr(Otos_l1); // push b | |
0 | 1000 // stack: ..., b, a, b |
1001 } | |
1002 | |
1003 | |
1004 void TemplateTable::dup_x2() { | |
1005 transition(vtos, vtos); | |
1006 // stack: ..., a, b, c | |
1007 // get c and push on stack, reuse registers | |
1506 | 1008 __ load_ptr( 0, G3_scratch); // get c |
1009 __ push_ptr(G3_scratch); // push c with tag | |
0 | 1010 // stack: ..., a, b, c, c (c in reg) (Lesp - 4) |
1011 // (stack offsets n+1 now) | |
1506 | 1012 __ load_ptr( 3, Otos_l1); // get a |
1013 __ store_ptr(3, G3_scratch); // put c at 3 | |
0 | 1014 // stack: ..., c, b, c, c (a in reg) |
1506 | 1015 __ load_ptr( 2, G3_scratch); // get b |
1016 __ store_ptr(2, Otos_l1); // put a at 2 | |
0 | 1017 // stack: ..., c, a, c, c (b in reg) |
1506 | 1018 __ store_ptr(1, G3_scratch); // put b at 1 |
0 | 1019 // stack: ..., c, a, b, c |
1020 } | |
1021 | |
1022 | |
1023 void TemplateTable::dup2() { | |
1024 transition(vtos, vtos); | |
1506 | 1025 __ load_ptr(1, G3_scratch); // get a |
1026 __ load_ptr(0, Otos_l1); // get b | |
1027 __ push_ptr(G3_scratch); // push a | |
1028 __ push_ptr(Otos_l1); // push b | |
0 | 1029 // stack: ..., a, b, a, b |
1030 } | |
1031 | |
1032 | |
1033 void TemplateTable::dup2_x1() { | |
1034 transition(vtos, vtos); | |
1035 // stack: ..., a, b, c | |
1506 | 1036 __ load_ptr( 1, Lscratch); // get b |
1037 __ load_ptr( 2, Otos_l1); // get a | |
1038 __ store_ptr(2, Lscratch); // put b at a | |
0 | 1039 // stack: ..., b, b, c |
1506 | 1040 __ load_ptr( 0, G3_scratch); // get c |
1041 __ store_ptr(1, G3_scratch); // put c at b | |
0 | 1042 // stack: ..., b, c, c |
1506 | 1043 __ store_ptr(0, Otos_l1); // put a at c |
0 | 1044 // stack: ..., b, c, a |
1506 | 1045 __ push_ptr(Lscratch); // push b |
1046 __ push_ptr(G3_scratch); // push c | |
0 | 1047 // stack: ..., b, c, a, b, c |
1048 } | |
1049 | |
1050 | |
1051 // The spec says that these types can be a mixture of category 1 (1 word) | |
1052 // types and/or category 2 types (long and doubles) | |
1053 void TemplateTable::dup2_x2() { | |
1054 transition(vtos, vtos); | |
1055 // stack: ..., a, b, c, d | |
1506 | 1056 __ load_ptr( 1, Lscratch); // get c |
1057 __ load_ptr( 3, Otos_l1); // get a | |
1058 __ store_ptr(3, Lscratch); // put c at 3 | |
1059 __ store_ptr(1, Otos_l1); // put a at 1 | |
0 | 1060 // stack: ..., c, b, a, d |
1506 | 1061 __ load_ptr( 2, G3_scratch); // get b |
1062 __ load_ptr( 0, Otos_l1); // get d | |
1063 __ store_ptr(0, G3_scratch); // put b at 0 | |
1064 __ store_ptr(2, Otos_l1); // put d at 2 | |
0 | 1065 // stack: ..., c, d, a, b |
1506 | 1066 __ push_ptr(Lscratch); // push c |
1067 __ push_ptr(Otos_l1); // push d | |
0 | 1068 // stack: ..., c, d, a, b, c, d |
1069 } | |
1070 | |
1071 | |
1072 void TemplateTable::swap() { | |
1073 transition(vtos, vtos); | |
1074 // stack: ..., a, b | |
1506 | 1075 __ load_ptr( 1, G3_scratch); // get a |
1076 __ load_ptr( 0, Otos_l1); // get b | |
1077 __ store_ptr(0, G3_scratch); // put b | |
1078 __ store_ptr(1, Otos_l1); // put a | |
0 | 1079 // stack: ..., b, a |
1080 } | |
1081 | |
1082 | |
1083 void TemplateTable::iop2(Operation op) { | |
1084 transition(itos, itos); | |
1085 __ pop_i(O1); | |
1086 switch (op) { | |
1087 case add: __ add(O1, Otos_i, Otos_i); break; | |
1088 case sub: __ sub(O1, Otos_i, Otos_i); break; | |
1089 // %%%%% Mul may not exist: better to call .mul? | |
1090 case mul: __ smul(O1, Otos_i, Otos_i); break; | |
1506 | 1091 case _and: __ and3(O1, Otos_i, Otos_i); break; |
1092 case _or: __ or3(O1, Otos_i, Otos_i); break; | |
1093 case _xor: __ xor3(O1, Otos_i, Otos_i); break; | |
0 | 1094 case shl: __ sll(O1, Otos_i, Otos_i); break; |
1095 case shr: __ sra(O1, Otos_i, Otos_i); break; | |
1096 case ushr: __ srl(O1, Otos_i, Otos_i); break; | |
1097 default: ShouldNotReachHere(); | |
1098 } | |
1099 } | |
1100 | |
1101 | |
1102 void TemplateTable::lop2(Operation op) { | |
1103 transition(ltos, ltos); | |
1104 __ pop_l(O2); | |
1105 switch (op) { | |
1106 #ifdef _LP64 | |
1506 | 1107 case add: __ add(O2, Otos_l, Otos_l); break; |
1108 case sub: __ sub(O2, Otos_l, Otos_l); break; | |
1109 case _and: __ and3(O2, Otos_l, Otos_l); break; | |
1110 case _or: __ or3(O2, Otos_l, Otos_l); break; | |
1111 case _xor: __ xor3(O2, Otos_l, Otos_l); break; | |
0 | 1112 #else |
1113 case add: __ addcc(O3, Otos_l2, Otos_l2); __ addc(O2, Otos_l1, Otos_l1); break; | |
1114 case sub: __ subcc(O3, Otos_l2, Otos_l2); __ subc(O2, Otos_l1, Otos_l1); break; | |
1506 | 1115 case _and: __ and3(O3, Otos_l2, Otos_l2); __ and3(O2, Otos_l1, Otos_l1); break; |
1116 case _or: __ or3(O3, Otos_l2, Otos_l2); __ or3(O2, Otos_l1, Otos_l1); break; | |
1117 case _xor: __ xor3(O3, Otos_l2, Otos_l2); __ xor3(O2, Otos_l1, Otos_l1); break; | |
0 | 1118 #endif |
1119 default: ShouldNotReachHere(); | |
1120 } | |
1121 } | |
1122 | |
1123 | |
1124 void TemplateTable::idiv() { | |
1125 // %%%%% Later: ForSPARC/V7 call .sdiv library routine, | |
1126 // %%%%% Use ldsw...sdivx on pure V9 ABI. 64 bit safe. | |
1127 | |
1128 transition(itos, itos); | |
1129 __ pop_i(O1); // get 1st op | |
1130 | |
1131 // Y contains upper 32 bits of result, set it to 0 or all ones | |
1132 __ wry(G0); | |
1133 __ mov(~0, G3_scratch); | |
1134 | |
1135 __ tst(O1); | |
1136 Label neg; | |
1137 __ br(Assembler::negative, true, Assembler::pn, neg); | |
1138 __ delayed()->wry(G3_scratch); | |
1139 __ bind(neg); | |
1140 | |
1141 Label ok; | |
1142 __ tst(Otos_i); | |
1143 __ throw_if_not_icc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch ); | |
1144 | |
1145 const int min_int = 0x80000000; | |
1146 Label regular; | |
1147 __ cmp(Otos_i, -1); | |
1148 __ br(Assembler::notEqual, false, Assembler::pt, regular); | |
1149 #ifdef _LP64 | |
1150 // Don't put set in delay slot | |
1151 // Set will turn into multiple instructions in 64 bit mode | |
1152 __ delayed()->nop(); | |
1153 __ set(min_int, G4_scratch); | |
1154 #else | |
1155 __ delayed()->set(min_int, G4_scratch); | |
1156 #endif | |
1157 Label done; | |
1158 __ cmp(O1, G4_scratch); | |
1159 __ br(Assembler::equal, true, Assembler::pt, done); | |
1160 __ delayed()->mov(O1, Otos_i); // (mov only executed if branch taken) | |
1161 | |
1162 __ bind(regular); | |
1163 __ sdiv(O1, Otos_i, Otos_i); // note: irem uses O1 after this instruction! | |
1164 __ bind(done); | |
1165 } | |
1166 | |
1167 | |
1168 void TemplateTable::irem() { | |
1169 transition(itos, itos); | |
1170 __ mov(Otos_i, O2); // save divisor | |
1171 idiv(); // %%%% Hack: exploits fact that idiv leaves dividend in O1 | |
1172 __ smul(Otos_i, O2, Otos_i); | |
1173 __ sub(O1, Otos_i, Otos_i); | |
1174 } | |
1175 | |
1176 | |
1177 void TemplateTable::lmul() { | |
1178 transition(ltos, ltos); | |
1179 __ pop_l(O2); | |
1180 #ifdef _LP64 | |
1181 __ mulx(Otos_l, O2, Otos_l); | |
1182 #else | |
1183 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::lmul)); | |
1184 #endif | |
1185 | |
1186 } | |
1187 | |
1188 | |
1189 void TemplateTable::ldiv() { | |
1190 transition(ltos, ltos); | |
1191 | |
1192 // check for zero | |
1193 __ pop_l(O2); | |
1194 #ifdef _LP64 | |
1195 __ tst(Otos_l); | |
1196 __ throw_if_not_xcc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
1197 __ sdivx(O2, Otos_l, Otos_l); | |
1198 #else | |
1199 __ orcc(Otos_l1, Otos_l2, G0); | |
1200 __ throw_if_not_icc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
1201 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::ldiv)); | |
1202 #endif | |
1203 } | |
1204 | |
1205 | |
1206 void TemplateTable::lrem() { | |
1207 transition(ltos, ltos); | |
1208 | |
1209 // check for zero | |
1210 __ pop_l(O2); | |
1211 #ifdef _LP64 | |
1212 __ tst(Otos_l); | |
1213 __ throw_if_not_xcc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
1214 __ sdivx(O2, Otos_l, Otos_l2); | |
1215 __ mulx (Otos_l2, Otos_l, Otos_l2); | |
1216 __ sub (O2, Otos_l2, Otos_l); | |
1217 #else | |
1218 __ orcc(Otos_l1, Otos_l2, G0); | |
1219 __ throw_if_not_icc(Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
1220 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::lrem)); | |
1221 #endif | |
1222 } | |
1223 | |
1224 | |
1225 void TemplateTable::lshl() { | |
1226 transition(itos, ltos); // %%%% could optimize, fill delay slot or opt for ultra | |
1227 | |
1228 __ pop_l(O2); // shift value in O2, O3 | |
1229 #ifdef _LP64 | |
1230 __ sllx(O2, Otos_i, Otos_l); | |
1231 #else | |
1232 __ lshl(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); | |
1233 #endif | |
1234 } | |
1235 | |
1236 | |
1237 void TemplateTable::lshr() { | |
1238 transition(itos, ltos); // %%%% see lshl comment | |
1239 | |
1240 __ pop_l(O2); // shift value in O2, O3 | |
1241 #ifdef _LP64 | |
1242 __ srax(O2, Otos_i, Otos_l); | |
1243 #else | |
1244 __ lshr(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); | |
1245 #endif | |
1246 } | |
1247 | |
1248 | |
1249 | |
1250 void TemplateTable::lushr() { | |
1251 transition(itos, ltos); // %%%% see lshl comment | |
1252 | |
1253 __ pop_l(O2); // shift value in O2, O3 | |
1254 #ifdef _LP64 | |
1255 __ srlx(O2, Otos_i, Otos_l); | |
1256 #else | |
1257 __ lushr(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); | |
1258 #endif | |
1259 } | |
1260 | |
1261 | |
1262 void TemplateTable::fop2(Operation op) { | |
1263 transition(ftos, ftos); | |
1264 switch (op) { | |
1265 case add: __ pop_f(F4); __ fadd(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
1266 case sub: __ pop_f(F4); __ fsub(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
1267 case mul: __ pop_f(F4); __ fmul(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
1268 case div: __ pop_f(F4); __ fdiv(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
1269 case rem: | |
1270 assert(Ftos_f == F0, "just checking"); | |
1271 #ifdef _LP64 | |
1272 // LP64 calling conventions use F1, F3 for passing 2 floats | |
1273 __ pop_f(F1); | |
1274 __ fmov(FloatRegisterImpl::S, Ftos_f, F3); | |
1275 #else | |
1276 __ pop_i(O0); | |
1277 __ stf(FloatRegisterImpl::S, Ftos_f, __ d_tmp); | |
1278 __ ld( __ d_tmp, O1 ); | |
1279 #endif | |
1280 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::frem)); | |
1281 assert( Ftos_f == F0, "fix this code" ); | |
1282 break; | |
1283 | |
1284 default: ShouldNotReachHere(); | |
1285 } | |
1286 } | |
1287 | |
1288 | |
1289 void TemplateTable::dop2(Operation op) { | |
1290 transition(dtos, dtos); | |
1291 switch (op) { | |
1292 case add: __ pop_d(F4); __ fadd(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
1293 case sub: __ pop_d(F4); __ fsub(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
1294 case mul: __ pop_d(F4); __ fmul(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
1295 case div: __ pop_d(F4); __ fdiv(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
1296 case rem: | |
1297 #ifdef _LP64 | |
1298 // Pass arguments in D0, D2 | |
1299 __ fmov(FloatRegisterImpl::D, Ftos_f, F2 ); | |
1300 __ pop_d( F0 ); | |
1301 #else | |
1302 // Pass arguments in O0O1, O2O3 | |
1303 __ stf(FloatRegisterImpl::D, Ftos_f, __ d_tmp); | |
1304 __ ldd( __ d_tmp, O2 ); | |
1305 __ pop_d(Ftos_f); | |
1306 __ stf(FloatRegisterImpl::D, Ftos_f, __ d_tmp); | |
1307 __ ldd( __ d_tmp, O0 ); | |
1308 #endif | |
1309 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::drem)); | |
1310 assert( Ftos_d == F0, "fix this code" ); | |
1311 break; | |
1312 | |
1313 default: ShouldNotReachHere(); | |
1314 } | |
1315 } | |
1316 | |
1317 | |
1318 void TemplateTable::ineg() { | |
1319 transition(itos, itos); | |
1320 __ neg(Otos_i); | |
1321 } | |
1322 | |
1323 | |
1324 void TemplateTable::lneg() { | |
1325 transition(ltos, ltos); | |
1326 #ifdef _LP64 | |
1327 __ sub(G0, Otos_l, Otos_l); | |
1328 #else | |
1329 __ lneg(Otos_l1, Otos_l2); | |
1330 #endif | |
1331 } | |
1332 | |
1333 | |
1334 void TemplateTable::fneg() { | |
1335 transition(ftos, ftos); | |
1336 __ fneg(FloatRegisterImpl::S, Ftos_f); | |
1337 } | |
1338 | |
1339 | |
1340 void TemplateTable::dneg() { | |
1341 transition(dtos, dtos); | |
1342 // v8 has fnegd if source and dest are the same | |
1343 __ fneg(FloatRegisterImpl::D, Ftos_f); | |
1344 } | |
1345 | |
1346 | |
1347 void TemplateTable::iinc() { | |
1348 transition(vtos, vtos); | |
1349 locals_index(G3_scratch); | |
1350 __ ldsb(Lbcp, 2, O2); // load constant | |
1351 __ access_local_int(G3_scratch, Otos_i); | |
1352 __ add(Otos_i, O2, Otos_i); | |
1506 | 1353 __ st(Otos_i, G3_scratch, 0); // access_local_int puts E.A. in G3_scratch |
0 | 1354 } |
1355 | |
1356 | |
1357 void TemplateTable::wide_iinc() { | |
1358 transition(vtos, vtos); | |
1359 locals_index_wide(G3_scratch); | |
1360 __ get_2_byte_integer_at_bcp( 4, O2, O3, InterpreterMacroAssembler::Signed); | |
1361 __ access_local_int(G3_scratch, Otos_i); | |
1362 __ add(Otos_i, O3, Otos_i); | |
1506 | 1363 __ st(Otos_i, G3_scratch, 0); // access_local_int puts E.A. in G3_scratch |
0 | 1364 } |
1365 | |
1366 | |
1367 void TemplateTable::convert() { | |
1368 // %%%%% Factor this first part accross platforms | |
1369 #ifdef ASSERT | |
1370 TosState tos_in = ilgl; | |
1371 TosState tos_out = ilgl; | |
1372 switch (bytecode()) { | |
1373 case Bytecodes::_i2l: // fall through | |
1374 case Bytecodes::_i2f: // fall through | |
1375 case Bytecodes::_i2d: // fall through | |
1376 case Bytecodes::_i2b: // fall through | |
1377 case Bytecodes::_i2c: // fall through | |
1378 case Bytecodes::_i2s: tos_in = itos; break; | |
1379 case Bytecodes::_l2i: // fall through | |
1380 case Bytecodes::_l2f: // fall through | |
1381 case Bytecodes::_l2d: tos_in = ltos; break; | |
1382 case Bytecodes::_f2i: // fall through | |
1383 case Bytecodes::_f2l: // fall through | |
1384 case Bytecodes::_f2d: tos_in = ftos; break; | |
1385 case Bytecodes::_d2i: // fall through | |
1386 case Bytecodes::_d2l: // fall through | |
1387 case Bytecodes::_d2f: tos_in = dtos; break; | |
1388 default : ShouldNotReachHere(); | |
1389 } | |
1390 switch (bytecode()) { | |
1391 case Bytecodes::_l2i: // fall through | |
1392 case Bytecodes::_f2i: // fall through | |
1393 case Bytecodes::_d2i: // fall through | |
1394 case Bytecodes::_i2b: // fall through | |
1395 case Bytecodes::_i2c: // fall through | |
1396 case Bytecodes::_i2s: tos_out = itos; break; | |
1397 case Bytecodes::_i2l: // fall through | |
1398 case Bytecodes::_f2l: // fall through | |
1399 case Bytecodes::_d2l: tos_out = ltos; break; | |
1400 case Bytecodes::_i2f: // fall through | |
1401 case Bytecodes::_l2f: // fall through | |
1402 case Bytecodes::_d2f: tos_out = ftos; break; | |
1403 case Bytecodes::_i2d: // fall through | |
1404 case Bytecodes::_l2d: // fall through | |
1405 case Bytecodes::_f2d: tos_out = dtos; break; | |
1406 default : ShouldNotReachHere(); | |
1407 } | |
1408 transition(tos_in, tos_out); | |
1409 #endif | |
1410 | |
1411 | |
1412 // Conversion | |
1413 Label done; | |
1414 switch (bytecode()) { | |
1415 case Bytecodes::_i2l: | |
1416 #ifdef _LP64 | |
1417 // Sign extend the 32 bits | |
1418 __ sra ( Otos_i, 0, Otos_l ); | |
1419 #else | |
1420 __ addcc(Otos_i, 0, Otos_l2); | |
1421 __ br(Assembler::greaterEqual, true, Assembler::pt, done); | |
1422 __ delayed()->clr(Otos_l1); | |
1423 __ set(~0, Otos_l1); | |
1424 #endif | |
1425 break; | |
1426 | |
1427 case Bytecodes::_i2f: | |
1428 __ st(Otos_i, __ d_tmp ); | |
1429 __ ldf(FloatRegisterImpl::S, __ d_tmp, F0); | |
1430 __ fitof(FloatRegisterImpl::S, F0, Ftos_f); | |
1431 break; | |
1432 | |
1433 case Bytecodes::_i2d: | |
1434 __ st(Otos_i, __ d_tmp); | |
1435 __ ldf(FloatRegisterImpl::S, __ d_tmp, F0); | |
1436 __ fitof(FloatRegisterImpl::D, F0, Ftos_f); | |
1437 break; | |
1438 | |
1439 case Bytecodes::_i2b: | |
1440 __ sll(Otos_i, 24, Otos_i); | |
1441 __ sra(Otos_i, 24, Otos_i); | |
1442 break; | |
1443 | |
1444 case Bytecodes::_i2c: | |
1445 __ sll(Otos_i, 16, Otos_i); | |
1446 __ srl(Otos_i, 16, Otos_i); | |
1447 break; | |
1448 | |
1449 case Bytecodes::_i2s: | |
1450 __ sll(Otos_i, 16, Otos_i); | |
1451 __ sra(Otos_i, 16, Otos_i); | |
1452 break; | |
1453 | |
1454 case Bytecodes::_l2i: | |
1455 #ifndef _LP64 | |
1456 __ mov(Otos_l2, Otos_i); | |
1457 #else | |
1458 // Sign-extend into the high 32 bits | |
1459 __ sra(Otos_l, 0, Otos_i); | |
1460 #endif | |
1461 break; | |
1462 | |
1463 case Bytecodes::_l2f: | |
1464 case Bytecodes::_l2d: | |
1465 __ st_long(Otos_l, __ d_tmp); | |
1466 __ ldf(FloatRegisterImpl::D, __ d_tmp, Ftos_d); | |
1467 | |
1468 if (VM_Version::v9_instructions_work()) { | |
1469 if (bytecode() == Bytecodes::_l2f) { | |
1470 __ fxtof(FloatRegisterImpl::S, Ftos_d, Ftos_f); | |
1471 } else { | |
1472 __ fxtof(FloatRegisterImpl::D, Ftos_d, Ftos_d); | |
1473 } | |
1474 } else { | |
1475 __ call_VM_leaf( | |
1476 Lscratch, | |
1477 bytecode() == Bytecodes::_l2f | |
1478 ? CAST_FROM_FN_PTR(address, SharedRuntime::l2f) | |
1479 : CAST_FROM_FN_PTR(address, SharedRuntime::l2d) | |
1480 ); | |
1481 } | |
1482 break; | |
1483 | |
1484 case Bytecodes::_f2i: { | |
1485 Label isNaN; | |
1486 // result must be 0 if value is NaN; test by comparing value to itself | |
1487 __ fcmp(FloatRegisterImpl::S, Assembler::fcc0, Ftos_f, Ftos_f); | |
1488 // According to the v8 manual, you have to have a non-fp instruction | |
1489 // between fcmp and fb. | |
1490 if (!VM_Version::v9_instructions_work()) { | |
1491 __ nop(); | |
1492 } | |
1493 __ fb(Assembler::f_unordered, true, Assembler::pn, isNaN); | |
1494 __ delayed()->clr(Otos_i); // NaN | |
1495 __ ftoi(FloatRegisterImpl::S, Ftos_f, F30); | |
1496 __ stf(FloatRegisterImpl::S, F30, __ d_tmp); | |
1497 __ ld(__ d_tmp, Otos_i); | |
1498 __ bind(isNaN); | |
1499 } | |
1500 break; | |
1501 | |
1502 case Bytecodes::_f2l: | |
1503 // must uncache tos | |
1504 __ push_f(); | |
1505 #ifdef _LP64 | |
1506 __ pop_f(F1); | |
1507 #else | |
1508 __ pop_i(O0); | |
1509 #endif | |
1510 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::f2l)); | |
1511 break; | |
1512 | |
1513 case Bytecodes::_f2d: | |
1514 __ ftof( FloatRegisterImpl::S, FloatRegisterImpl::D, Ftos_f, Ftos_f); | |
1515 break; | |
1516 | |
1517 case Bytecodes::_d2i: | |
1518 case Bytecodes::_d2l: | |
1519 // must uncache tos | |
1520 __ push_d(); | |
1521 #ifdef _LP64 | |
1522 // LP64 calling conventions pass first double arg in D0 | |
1523 __ pop_d( Ftos_d ); | |
1524 #else | |
1525 __ pop_i( O0 ); | |
1526 __ pop_i( O1 ); | |
1527 #endif | |
1528 __ call_VM_leaf(Lscratch, | |
1529 bytecode() == Bytecodes::_d2i | |
1530 ? CAST_FROM_FN_PTR(address, SharedRuntime::d2i) | |
1531 : CAST_FROM_FN_PTR(address, SharedRuntime::d2l)); | |
1532 break; | |
1533 | |
1534 case Bytecodes::_d2f: | |
1535 if (VM_Version::v9_instructions_work()) { | |
1536 __ ftof( FloatRegisterImpl::D, FloatRegisterImpl::S, Ftos_d, Ftos_f); | |
1537 } | |
1538 else { | |
1539 // must uncache tos | |
1540 __ push_d(); | |
1541 __ pop_i(O0); | |
1542 __ pop_i(O1); | |
1543 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::d2f)); | |
1544 } | |
1545 break; | |
1546 | |
1547 default: ShouldNotReachHere(); | |
1548 } | |
1549 __ bind(done); | |
1550 } | |
1551 | |
1552 | |
1553 void TemplateTable::lcmp() { | |
1554 transition(ltos, itos); | |
1555 | |
1556 #ifdef _LP64 | |
1557 __ pop_l(O1); // pop off value 1, value 2 is in O0 | |
1558 __ lcmp( O1, Otos_l, Otos_i ); | |
1559 #else | |
1560 __ pop_l(O2); // cmp O2,3 to O0,1 | |
1561 __ lcmp( O2, O3, Otos_l1, Otos_l2, Otos_i ); | |
1562 #endif | |
1563 } | |
1564 | |
1565 | |
1566 void TemplateTable::float_cmp(bool is_float, int unordered_result) { | |
1567 | |
1568 if (is_float) __ pop_f(F2); | |
1569 else __ pop_d(F2); | |
1570 | |
1571 assert(Ftos_f == F0 && Ftos_d == F0, "alias checking:"); | |
1572 | |
1573 __ float_cmp( is_float, unordered_result, F2, F0, Otos_i ); | |
1574 } | |
1575 | |
1576 void TemplateTable::branch(bool is_jsr, bool is_wide) { | |
1577 // Note: on SPARC, we use InterpreterMacroAssembler::if_cmp also. | |
1578 __ verify_oop(Lmethod); | |
1579 __ verify_thread(); | |
1580 | |
1581 const Register O2_bumped_count = O2; | |
1582 __ profile_taken_branch(G3_scratch, O2_bumped_count); | |
1583 | |
1584 // get (wide) offset to O1_disp | |
1585 const Register O1_disp = O1; | |
1586 if (is_wide) __ get_4_byte_integer_at_bcp( 1, G4_scratch, O1_disp, InterpreterMacroAssembler::set_CC); | |
1587 else __ get_2_byte_integer_at_bcp( 1, G4_scratch, O1_disp, InterpreterMacroAssembler::Signed, InterpreterMacroAssembler::set_CC); | |
1588 | |
1589 // Handle all the JSR stuff here, then exit. | |
1590 // It's much shorter and cleaner than intermingling with the | |
605 | 1591 // non-JSR normal-branch stuff occurring below. |
0 | 1592 if( is_jsr ) { |
1593 // compute return address as bci in Otos_i | |
727 | 1594 __ ld_ptr(Lmethod, methodOopDesc::const_offset(), G3_scratch); |
0 | 1595 __ sub(Lbcp, G3_scratch, G3_scratch); |
1596 __ sub(G3_scratch, in_bytes(constMethodOopDesc::codes_offset()) - (is_wide ? 5 : 3), Otos_i); | |
1597 | |
1598 // Bump Lbcp to target of JSR | |
1599 __ add(Lbcp, O1_disp, Lbcp); | |
1600 // Push returnAddress for "ret" on stack | |
1506 | 1601 __ push_ptr(Otos_i); |
0 | 1602 // And away we go! |
1603 __ dispatch_next(vtos); | |
1604 return; | |
1605 } | |
1606 | |
1607 // Normal (non-jsr) branch handling | |
1608 | |
1609 // Save the current Lbcp | |
1610 const Register O0_cur_bcp = O0; | |
1611 __ mov( Lbcp, O0_cur_bcp ); | |
1612 | |
1783 | 1613 |
0 | 1614 bool increment_invocation_counter_for_backward_branches = UseCompiler && UseLoopCounter; |
1615 if ( increment_invocation_counter_for_backward_branches ) { | |
1616 Label Lforward; | |
1617 // check branch direction | |
1618 __ br( Assembler::positive, false, Assembler::pn, Lforward ); | |
1619 // Bump bytecode pointer by displacement (take the branch) | |
1620 __ delayed()->add( O1_disp, Lbcp, Lbcp ); // add to bc addr | |
1621 | |
1783 | 1622 if (TieredCompilation) { |
1623 Label Lno_mdo, Loverflow; | |
1624 int increment = InvocationCounter::count_increment; | |
1625 int mask = ((1 << Tier0BackedgeNotifyFreqLog) - 1) << InvocationCounter::count_shift; | |
1626 if (ProfileInterpreter) { | |
1627 // If no method data exists, go to profile_continue. | |
1628 __ ld_ptr(Lmethod, methodOopDesc::method_data_offset(), G4_scratch); | |
1629 __ br_null(G4_scratch, false, Assembler::pn, Lno_mdo); | |
1630 __ delayed()->nop(); | |
1631 | |
1632 // Increment backedge counter in the MDO | |
1633 Address mdo_backedge_counter(G4_scratch, in_bytes(methodDataOopDesc::backedge_counter_offset()) + | |
1634 in_bytes(InvocationCounter::counter_offset())); | |
1635 __ increment_mask_and_jump(mdo_backedge_counter, increment, mask, G3_scratch, Lscratch, | |
1636 Assembler::notZero, &Lforward); | |
1637 __ ba(false, Loverflow); | |
1638 __ delayed()->nop(); | |
0 | 1639 } |
1783 | 1640 |
1641 // If there's no MDO, increment counter in methodOop | |
1642 __ bind(Lno_mdo); | |
1643 Address backedge_counter(Lmethod, in_bytes(methodOopDesc::backedge_counter_offset()) + | |
1644 in_bytes(InvocationCounter::counter_offset())); | |
1645 __ increment_mask_and_jump(backedge_counter, increment, mask, G3_scratch, Lscratch, | |
1646 Assembler::notZero, &Lforward); | |
1647 __ bind(Loverflow); | |
1648 | |
1649 // notify point for loop, pass branch bytecode | |
1650 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::frequency_counter_overflow), O0_cur_bcp); | |
1651 | |
1652 // Was an OSR adapter generated? | |
1653 // O0 = osr nmethod | |
1654 __ br_null(O0, false, Assembler::pn, Lforward); | |
1655 __ delayed()->nop(); | |
1656 | |
1657 // Has the nmethod been invalidated already? | |
1658 __ ld(O0, nmethod::entry_bci_offset(), O2); | |
1659 __ cmp(O2, InvalidOSREntryBci); | |
1660 __ br(Assembler::equal, false, Assembler::pn, Lforward); | |
1661 __ delayed()->nop(); | |
1662 | |
1663 // migrate the interpreter frame off of the stack | |
1664 | |
1665 __ mov(G2_thread, L7); | |
1666 // save nmethod | |
1667 __ mov(O0, L6); | |
1668 __ set_last_Java_frame(SP, noreg); | |
1669 __ call_VM_leaf(noreg, CAST_FROM_FN_PTR(address, SharedRuntime::OSR_migration_begin), L7); | |
1670 __ reset_last_Java_frame(); | |
1671 __ mov(L7, G2_thread); | |
1672 | |
1673 // move OSR nmethod to I1 | |
1674 __ mov(L6, I1); | |
1675 | |
1676 // OSR buffer to I0 | |
1677 __ mov(O0, I0); | |
1678 | |
1679 // remove the interpreter frame | |
1680 __ restore(I5_savedSP, 0, SP); | |
1681 | |
1682 // Jump to the osr code. | |
1683 __ ld_ptr(O1, nmethod::osr_entry_point_offset(), O2); | |
1684 __ jmp(O2, G0); | |
1685 __ delayed()->nop(); | |
1686 | |
0 | 1687 } else { |
1783 | 1688 // Update Backedge branch separately from invocations |
1689 const Register G4_invoke_ctr = G4; | |
1690 __ increment_backedge_counter(G4_invoke_ctr, G1_scratch); | |
1691 if (ProfileInterpreter) { | |
2118
dd031b2226de
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
1972
diff
changeset
|
1692 __ test_invocation_counter_for_mdp(G4_invoke_ctr, G3_scratch, Lforward); |
1783 | 1693 if (UseOnStackReplacement) { |
1694 __ test_backedge_count_for_osr(O2_bumped_count, O0_cur_bcp, G3_scratch); | |
1695 } | |
1696 } else { | |
1697 if (UseOnStackReplacement) { | |
1698 __ test_backedge_count_for_osr(G4_invoke_ctr, O0_cur_bcp, G3_scratch); | |
1699 } | |
0 | 1700 } |
1701 } | |
1702 | |
1703 __ bind(Lforward); | |
1704 } else | |
1705 // Bump bytecode pointer by displacement (take the branch) | |
1706 __ add( O1_disp, Lbcp, Lbcp );// add to bc addr | |
1707 | |
1708 // continue with bytecode @ target | |
1709 // %%%%% Like Intel, could speed things up by moving bytecode fetch to code above, | |
1710 // %%%%% and changing dispatch_next to dispatch_only | |
1711 __ dispatch_next(vtos); | |
1712 } | |
1713 | |
1714 | |
1715 // Note Condition in argument is TemplateTable::Condition | |
1716 // arg scope is within class scope | |
1717 | |
1718 void TemplateTable::if_0cmp(Condition cc) { | |
1719 // no pointers, integer only! | |
1720 transition(itos, vtos); | |
1721 // assume branch is more often taken than not (loops use backward branches) | |
1722 __ cmp( Otos_i, 0); | |
1723 __ if_cmp(ccNot(cc), false); | |
1724 } | |
1725 | |
1726 | |
1727 void TemplateTable::if_icmp(Condition cc) { | |
1728 transition(itos, vtos); | |
1729 __ pop_i(O1); | |
1730 __ cmp(O1, Otos_i); | |
1731 __ if_cmp(ccNot(cc), false); | |
1732 } | |
1733 | |
1734 | |
1735 void TemplateTable::if_nullcmp(Condition cc) { | |
1736 transition(atos, vtos); | |
1737 __ tst(Otos_i); | |
1738 __ if_cmp(ccNot(cc), true); | |
1739 } | |
1740 | |
1741 | |
1742 void TemplateTable::if_acmp(Condition cc) { | |
1743 transition(atos, vtos); | |
1744 __ pop_ptr(O1); | |
1745 __ verify_oop(O1); | |
1746 __ verify_oop(Otos_i); | |
1747 __ cmp(O1, Otos_i); | |
1748 __ if_cmp(ccNot(cc), true); | |
1749 } | |
1750 | |
1751 | |
1752 | |
1753 void TemplateTable::ret() { | |
1754 transition(vtos, vtos); | |
1755 locals_index(G3_scratch); | |
1756 __ access_local_returnAddress(G3_scratch, Otos_i); | |
1757 // Otos_i contains the bci, compute the bcp from that | |
1758 | |
1759 #ifdef _LP64 | |
1760 #ifdef ASSERT | |
1761 // jsr result was labeled as an 'itos' not an 'atos' because we cannot GC | |
1762 // the result. The return address (really a BCI) was stored with an | |
1763 // 'astore' because JVM specs claim it's a pointer-sized thing. Hence in | |
1764 // the 64-bit build the 32-bit BCI is actually in the low bits of a 64-bit | |
1765 // loaded value. | |
1766 { Label zzz ; | |
1767 __ set (65536, G3_scratch) ; | |
1768 __ cmp (Otos_i, G3_scratch) ; | |
1769 __ bp( Assembler::lessEqualUnsigned, false, Assembler::xcc, Assembler::pn, zzz); | |
1770 __ delayed()->nop(); | |
1771 __ stop("BCI is in the wrong register half?"); | |
1772 __ bind (zzz) ; | |
1773 } | |
1774 #endif | |
1775 #endif | |
1776 | |
1777 __ profile_ret(vtos, Otos_i, G4_scratch); | |
1778 | |
727 | 1779 __ ld_ptr(Lmethod, methodOopDesc::const_offset(), G3_scratch); |
0 | 1780 __ add(G3_scratch, Otos_i, G3_scratch); |
1781 __ add(G3_scratch, in_bytes(constMethodOopDesc::codes_offset()), Lbcp); | |
1782 __ dispatch_next(vtos); | |
1783 } | |
1784 | |
1785 | |
1786 void TemplateTable::wide_ret() { | |
1787 transition(vtos, vtos); | |
1788 locals_index_wide(G3_scratch); | |
1789 __ access_local_returnAddress(G3_scratch, Otos_i); | |
1790 // Otos_i contains the bci, compute the bcp from that | |
1791 | |
1792 __ profile_ret(vtos, Otos_i, G4_scratch); | |
1793 | |
727 | 1794 __ ld_ptr(Lmethod, methodOopDesc::const_offset(), G3_scratch); |
0 | 1795 __ add(G3_scratch, Otos_i, G3_scratch); |
1796 __ add(G3_scratch, in_bytes(constMethodOopDesc::codes_offset()), Lbcp); | |
1797 __ dispatch_next(vtos); | |
1798 } | |
1799 | |
1800 | |
1801 void TemplateTable::tableswitch() { | |
1802 transition(itos, vtos); | |
1803 Label default_case, continue_execution; | |
1804 | |
1805 // align bcp | |
1806 __ add(Lbcp, BytesPerInt, O1); | |
1807 __ and3(O1, -BytesPerInt, O1); | |
1808 // load lo, hi | |
1809 __ ld(O1, 1 * BytesPerInt, O2); // Low Byte | |
1810 __ ld(O1, 2 * BytesPerInt, O3); // High Byte | |
1811 #ifdef _LP64 | |
1812 // Sign extend the 32 bits | |
1813 __ sra ( Otos_i, 0, Otos_i ); | |
1814 #endif /* _LP64 */ | |
1815 | |
1816 // check against lo & hi | |
1817 __ cmp( Otos_i, O2); | |
1818 __ br( Assembler::less, false, Assembler::pn, default_case); | |
1819 __ delayed()->cmp( Otos_i, O3 ); | |
1820 __ br( Assembler::greater, false, Assembler::pn, default_case); | |
1821 // lookup dispatch offset | |
1822 __ delayed()->sub(Otos_i, O2, O2); | |
1823 __ profile_switch_case(O2, O3, G3_scratch, G4_scratch); | |
1824 __ sll(O2, LogBytesPerInt, O2); | |
1825 __ add(O2, 3 * BytesPerInt, O2); | |
1826 __ ba(false, continue_execution); | |
1827 __ delayed()->ld(O1, O2, O2); | |
1828 // handle default | |
1829 __ bind(default_case); | |
1830 __ profile_switch_default(O3); | |
1831 __ ld(O1, 0, O2); // get default offset | |
1832 // continue execution | |
1833 __ bind(continue_execution); | |
1834 __ add(Lbcp, O2, Lbcp); | |
1835 __ dispatch_next(vtos); | |
1836 } | |
1837 | |
1838 | |
1839 void TemplateTable::lookupswitch() { | |
1840 transition(itos, itos); | |
1841 __ stop("lookupswitch bytecode should have been rewritten"); | |
1842 } | |
1843 | |
1844 void TemplateTable::fast_linearswitch() { | |
1845 transition(itos, vtos); | |
1846 Label loop_entry, loop, found, continue_execution; | |
1847 // align bcp | |
1848 __ add(Lbcp, BytesPerInt, O1); | |
1849 __ and3(O1, -BytesPerInt, O1); | |
1850 // set counter | |
1851 __ ld(O1, BytesPerInt, O2); | |
1852 __ sll(O2, LogBytesPerInt + 1, O2); // in word-pairs | |
1853 __ add(O1, 2 * BytesPerInt, O3); // set first pair addr | |
1854 __ ba(false, loop_entry); | |
1855 __ delayed()->add(O3, O2, O2); // counter now points past last pair | |
1856 | |
1857 // table search | |
1858 __ bind(loop); | |
1859 __ cmp(O4, Otos_i); | |
1860 __ br(Assembler::equal, true, Assembler::pn, found); | |
1861 __ delayed()->ld(O3, BytesPerInt, O4); // offset -> O4 | |
1862 __ inc(O3, 2 * BytesPerInt); | |
1863 | |
1864 __ bind(loop_entry); | |
1865 __ cmp(O2, O3); | |
1866 __ brx(Assembler::greaterUnsigned, true, Assembler::pt, loop); | |
1867 __ delayed()->ld(O3, 0, O4); | |
1868 | |
1869 // default case | |
1870 __ ld(O1, 0, O4); // get default offset | |
1871 if (ProfileInterpreter) { | |
1872 __ profile_switch_default(O3); | |
1873 __ ba(false, continue_execution); | |
1874 __ delayed()->nop(); | |
1875 } | |
1876 | |
1877 // entry found -> get offset | |
1878 __ bind(found); | |
1879 if (ProfileInterpreter) { | |
1880 __ sub(O3, O1, O3); | |
1881 __ sub(O3, 2*BytesPerInt, O3); | |
1882 __ srl(O3, LogBytesPerInt + 1, O3); // in word-pairs | |
1883 __ profile_switch_case(O3, O1, O2, G3_scratch); | |
1884 | |
1885 __ bind(continue_execution); | |
1886 } | |
1887 __ add(Lbcp, O4, Lbcp); | |
1888 __ dispatch_next(vtos); | |
1889 } | |
1890 | |
1891 | |
1892 void TemplateTable::fast_binaryswitch() { | |
1893 transition(itos, vtos); | |
1894 // Implementation using the following core algorithm: (copied from Intel) | |
1895 // | |
1896 // int binary_search(int key, LookupswitchPair* array, int n) { | |
1897 // // Binary search according to "Methodik des Programmierens" by | |
1898 // // Edsger W. Dijkstra and W.H.J. Feijen, Addison Wesley Germany 1985. | |
1899 // int i = 0; | |
1900 // int j = n; | |
1901 // while (i+1 < j) { | |
1902 // // invariant P: 0 <= i < j <= n and (a[i] <= key < a[j] or Q) | |
1903 // // with Q: for all i: 0 <= i < n: key < a[i] | |
1904 // // where a stands for the array and assuming that the (inexisting) | |
1905 // // element a[n] is infinitely big. | |
1906 // int h = (i + j) >> 1; | |
1907 // // i < h < j | |
1908 // if (key < array[h].fast_match()) { | |
1909 // j = h; | |
1910 // } else { | |
1911 // i = h; | |
1912 // } | |
1913 // } | |
1914 // // R: a[i] <= key < a[i+1] or Q | |
1915 // // (i.e., if key is within array, i is the correct index) | |
1916 // return i; | |
1917 // } | |
1918 | |
1919 // register allocation | |
1920 assert(Otos_i == O0, "alias checking"); | |
1921 const Register Rkey = Otos_i; // already set (tosca) | |
1922 const Register Rarray = O1; | |
1923 const Register Ri = O2; | |
1924 const Register Rj = O3; | |
1925 const Register Rh = O4; | |
1926 const Register Rscratch = O5; | |
1927 | |
1928 const int log_entry_size = 3; | |
1929 const int entry_size = 1 << log_entry_size; | |
1930 | |
1931 Label found; | |
1932 // Find Array start | |
1933 __ add(Lbcp, 3 * BytesPerInt, Rarray); | |
1934 __ and3(Rarray, -BytesPerInt, Rarray); | |
1935 // initialize i & j (in delay slot) | |
1936 __ clr( Ri ); | |
1937 | |
1938 // and start | |
1939 Label entry; | |
1940 __ ba(false, entry); | |
1941 __ delayed()->ld( Rarray, -BytesPerInt, Rj); | |
1942 // (Rj is already in the native byte-ordering.) | |
1943 | |
1944 // binary search loop | |
1945 { Label loop; | |
1946 __ bind( loop ); | |
1947 // int h = (i + j) >> 1; | |
1948 __ sra( Rh, 1, Rh ); | |
1949 // if (key < array[h].fast_match()) { | |
1950 // j = h; | |
1951 // } else { | |
1952 // i = h; | |
1953 // } | |
1954 __ sll( Rh, log_entry_size, Rscratch ); | |
1955 __ ld( Rarray, Rscratch, Rscratch ); | |
1956 // (Rscratch is already in the native byte-ordering.) | |
1957 __ cmp( Rkey, Rscratch ); | |
1958 if ( VM_Version::v9_instructions_work() ) { | |
1959 __ movcc( Assembler::less, false, Assembler::icc, Rh, Rj ); // j = h if (key < array[h].fast_match()) | |
1960 __ movcc( Assembler::greaterEqual, false, Assembler::icc, Rh, Ri ); // i = h if (key >= array[h].fast_match()) | |
1961 } | |
1962 else { | |
1963 Label end_of_if; | |
1964 __ br( Assembler::less, true, Assembler::pt, end_of_if ); | |
1965 __ delayed()->mov( Rh, Rj ); // if (<) Rj = Rh | |
1966 __ mov( Rh, Ri ); // else i = h | |
1967 __ bind(end_of_if); // } | |
1968 } | |
1969 | |
1970 // while (i+1 < j) | |
1971 __ bind( entry ); | |
1972 __ add( Ri, 1, Rscratch ); | |
1973 __ cmp(Rscratch, Rj); | |
1974 __ br( Assembler::less, true, Assembler::pt, loop ); | |
1975 __ delayed()->add( Ri, Rj, Rh ); // start h = i + j >> 1; | |
1976 } | |
1977 | |
1978 // end of binary search, result index is i (must check again!) | |
1979 Label default_case; | |
1980 Label continue_execution; | |
1981 if (ProfileInterpreter) { | |
1982 __ mov( Ri, Rh ); // Save index in i for profiling | |
1983 } | |
1984 __ sll( Ri, log_entry_size, Ri ); | |
1985 __ ld( Rarray, Ri, Rscratch ); | |
1986 // (Rscratch is already in the native byte-ordering.) | |
1987 __ cmp( Rkey, Rscratch ); | |
1988 __ br( Assembler::notEqual, true, Assembler::pn, default_case ); | |
1989 __ delayed()->ld( Rarray, -2 * BytesPerInt, Rj ); // load default offset -> j | |
1990 | |
1991 // entry found -> j = offset | |
1992 __ inc( Ri, BytesPerInt ); | |
1993 __ profile_switch_case(Rh, Rj, Rscratch, Rkey); | |
1994 __ ld( Rarray, Ri, Rj ); | |
1995 // (Rj is already in the native byte-ordering.) | |
1996 | |
1997 if (ProfileInterpreter) { | |
1998 __ ba(false, continue_execution); | |
1999 __ delayed()->nop(); | |
2000 } | |
2001 | |
2002 __ bind(default_case); // fall through (if not profiling) | |
2003 __ profile_switch_default(Ri); | |
2004 | |
2005 __ bind(continue_execution); | |
2006 __ add( Lbcp, Rj, Lbcp ); | |
2007 __ dispatch_next( vtos ); | |
2008 } | |
2009 | |
2010 | |
2011 void TemplateTable::_return(TosState state) { | |
2012 transition(state, state); | |
2013 assert(_desc->calls_vm(), "inconsistent calls_vm information"); | |
2014 | |
2015 if (_desc->bytecode() == Bytecodes::_return_register_finalizer) { | |
2016 assert(state == vtos, "only valid state"); | |
2017 __ mov(G0, G3_scratch); | |
2018 __ access_local_ptr(G3_scratch, Otos_i); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2019 __ load_klass(Otos_i, O2); |
0 | 2020 __ set(JVM_ACC_HAS_FINALIZER, G3); |
2021 __ ld(O2, Klass::access_flags_offset_in_bytes() + sizeof(oopDesc), O2); | |
2022 __ andcc(G3, O2, G0); | |
2023 Label skip_register_finalizer; | |
2024 __ br(Assembler::zero, false, Assembler::pn, skip_register_finalizer); | |
2025 __ delayed()->nop(); | |
2026 | |
2027 // Call out to do finalizer registration | |
2028 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), Otos_i); | |
2029 | |
2030 __ bind(skip_register_finalizer); | |
2031 } | |
2032 | |
2033 __ remove_activation(state, /* throw_monitor_exception */ true); | |
2034 | |
2035 // The caller's SP was adjusted upon method entry to accomodate | |
2036 // the callee's non-argument locals. Undo that adjustment. | |
2037 __ ret(); // return to caller | |
2038 __ delayed()->restore(I5_savedSP, G0, SP); | |
2039 } | |
2040 | |
2041 | |
2042 // ---------------------------------------------------------------------------- | |
2043 // Volatile variables demand their effects be made known to all CPU's in | |
2044 // order. Store buffers on most chips allow reads & writes to reorder; the | |
2045 // JMM's ReadAfterWrite.java test fails in -Xint mode without some kind of | |
2046 // memory barrier (i.e., it's not sufficient that the interpreter does not | |
2047 // reorder volatile references, the hardware also must not reorder them). | |
2048 // | |
2049 // According to the new Java Memory Model (JMM): | |
2050 // (1) All volatiles are serialized wrt to each other. | |
2051 // ALSO reads & writes act as aquire & release, so: | |
2052 // (2) A read cannot let unrelated NON-volatile memory refs that happen after | |
2053 // the read float up to before the read. It's OK for non-volatile memory refs | |
2054 // that happen before the volatile read to float down below it. | |
2055 // (3) Similar a volatile write cannot let unrelated NON-volatile memory refs | |
2056 // that happen BEFORE the write float down to after the write. It's OK for | |
2057 // non-volatile memory refs that happen after the volatile write to float up | |
2058 // before it. | |
2059 // | |
2060 // We only put in barriers around volatile refs (they are expensive), not | |
2061 // _between_ memory refs (that would require us to track the flavor of the | |
2062 // previous memory refs). Requirements (2) and (3) require some barriers | |
2063 // before volatile stores and after volatile loads. These nearly cover | |
2064 // requirement (1) but miss the volatile-store-volatile-load case. This final | |
2065 // case is placed after volatile-stores although it could just as well go | |
2066 // before volatile-loads. | |
2067 void TemplateTable::volatile_barrier(Assembler::Membar_mask_bits order_constraint) { | |
2068 // Helper function to insert a is-volatile test and memory barrier | |
2069 // All current sparc implementations run in TSO, needing only StoreLoad | |
2070 if ((order_constraint & Assembler::StoreLoad) == 0) return; | |
2071 __ membar( order_constraint ); | |
2072 } | |
2073 | |
2074 // ---------------------------------------------------------------------------- | |
1565 | 2075 void TemplateTable::resolve_cache_and_index(int byte_no, |
2076 Register result, | |
2077 Register Rcache, | |
2078 Register index, | |
2079 size_t index_size) { | |
0 | 2080 // Depends on cpCacheOop layout! |
2081 Label resolved; | |
2082 | |
1565 | 2083 __ get_cache_and_index_at_bcp(Rcache, index, 1, index_size); |
2084 if (byte_no == f1_oop) { | |
2085 // We are resolved if the f1 field contains a non-null object (CallSite, etc.) | |
2086 // This kind of CP cache entry does not need to match the flags byte, because | |
2087 // there is a 1-1 relation between bytecode type and CP entry type. | |
2088 assert_different_registers(result, Rcache); | |
1503 | 2089 __ ld_ptr(Rcache, constantPoolCacheOopDesc::base_offset() + |
1565 | 2090 ConstantPoolCacheEntry::f1_offset(), result); |
2091 __ tst(result); | |
1503 | 2092 __ br(Assembler::notEqual, false, Assembler::pt, resolved); |
2093 __ delayed()->set((int)bytecode(), O1); | |
2094 } else { | |
1565 | 2095 assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range"); |
2096 assert(result == noreg, ""); //else change code for setting result | |
2097 const int shift_count = (1 + byte_no)*BitsPerByte; | |
2098 | |
1503 | 2099 __ ld_ptr(Rcache, constantPoolCacheOopDesc::base_offset() + |
2100 ConstantPoolCacheEntry::indices_offset(), Lbyte_code); | |
2101 | |
2102 __ srl( Lbyte_code, shift_count, Lbyte_code ); | |
2103 __ and3( Lbyte_code, 0xFF, Lbyte_code ); | |
2104 __ cmp( Lbyte_code, (int)bytecode()); | |
2105 __ br( Assembler::equal, false, Assembler::pt, resolved); | |
2106 __ delayed()->set((int)bytecode(), O1); | |
2107 } | |
0 | 2108 |
2109 address entry; | |
2110 switch (bytecode()) { | |
2111 case Bytecodes::_getstatic : // fall through | |
2112 case Bytecodes::_putstatic : // fall through | |
2113 case Bytecodes::_getfield : // fall through | |
2114 case Bytecodes::_putfield : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_get_put); break; | |
2115 case Bytecodes::_invokevirtual : // fall through | |
2116 case Bytecodes::_invokespecial : // fall through | |
2117 case Bytecodes::_invokestatic : // fall through | |
2118 case Bytecodes::_invokeinterface: entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke); break; | |
1503 | 2119 case Bytecodes::_invokedynamic : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic); break; |
1602 | 2120 case Bytecodes::_fast_aldc : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); break; |
2121 case Bytecodes::_fast_aldc_w : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); break; | |
0 | 2122 default : ShouldNotReachHere(); break; |
2123 } | |
2124 // first time invocation - must resolve first | |
2125 __ call_VM(noreg, entry, O1); | |
2126 // Update registers with resolved info | |
1565 | 2127 __ get_cache_and_index_at_bcp(Rcache, index, 1, index_size); |
2128 if (result != noreg) | |
2129 __ ld_ptr(Rcache, constantPoolCacheOopDesc::base_offset() + | |
2130 ConstantPoolCacheEntry::f1_offset(), result); | |
0 | 2131 __ bind(resolved); |
2132 } | |
2133 | |
2134 void TemplateTable::load_invoke_cp_cache_entry(int byte_no, | |
2135 Register Rmethod, | |
2136 Register Ritable_index, | |
2137 Register Rflags, | |
2138 bool is_invokevirtual, | |
1565 | 2139 bool is_invokevfinal, |
2140 bool is_invokedynamic) { | |
0 | 2141 // Uses both G3_scratch and G4_scratch |
2142 Register Rcache = G3_scratch; | |
2143 Register Rscratch = G4_scratch; | |
2144 assert_different_registers(Rcache, Rmethod, Ritable_index); | |
2145 | |
2146 ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); | |
2147 | |
2148 // determine constant pool cache field offsets | |
2149 const int method_offset = in_bytes( | |
2150 cp_base_offset + | |
2151 (is_invokevirtual | |
2152 ? ConstantPoolCacheEntry::f2_offset() | |
2153 : ConstantPoolCacheEntry::f1_offset() | |
2154 ) | |
2155 ); | |
2156 const int flags_offset = in_bytes(cp_base_offset + | |
2157 ConstantPoolCacheEntry::flags_offset()); | |
2158 // access constant pool cache fields | |
2159 const int index_offset = in_bytes(cp_base_offset + | |
2160 ConstantPoolCacheEntry::f2_offset()); | |
2161 | |
2162 if (is_invokevfinal) { | |
2163 __ get_cache_and_index_at_bcp(Rcache, Rscratch, 1); | |
1565 | 2164 __ ld_ptr(Rcache, method_offset, Rmethod); |
2165 } else if (byte_no == f1_oop) { | |
2166 // Resolved f1_oop goes directly into 'method' register. | |
2167 resolve_cache_and_index(byte_no, Rmethod, Rcache, Rscratch, sizeof(u4)); | |
0 | 2168 } else { |
1565 | 2169 resolve_cache_and_index(byte_no, noreg, Rcache, Rscratch, sizeof(u2)); |
2170 __ ld_ptr(Rcache, method_offset, Rmethod); | |
0 | 2171 } |
2172 | |
2173 if (Ritable_index != noreg) { | |
727 | 2174 __ ld_ptr(Rcache, index_offset, Ritable_index); |
0 | 2175 } |
727 | 2176 __ ld_ptr(Rcache, flags_offset, Rflags); |
0 | 2177 } |
2178 | |
2179 // The Rcache register must be set before call | |
2180 void TemplateTable::load_field_cp_cache_entry(Register Robj, | |
2181 Register Rcache, | |
2182 Register index, | |
2183 Register Roffset, | |
2184 Register Rflags, | |
2185 bool is_static) { | |
2186 assert_different_registers(Rcache, Rflags, Roffset); | |
2187 | |
2188 ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); | |
2189 | |
727 | 2190 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
2191 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); | |
0 | 2192 if (is_static) { |
727 | 2193 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f1_offset(), Robj); |
0 | 2194 } |
2195 } | |
2196 | |
2197 // The registers Rcache and index expected to be set before call. | |
2198 // Correct values of the Rcache and index registers are preserved. | |
2199 void TemplateTable::jvmti_post_field_access(Register Rcache, | |
2200 Register index, | |
2201 bool is_static, | |
2202 bool has_tos) { | |
2203 ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); | |
2204 | |
2205 if (JvmtiExport::can_post_field_access()) { | |
2206 // Check to see if a field access watch has been set before we take | |
2207 // the time to call into the VM. | |
2208 Label Label1; | |
2209 assert_different_registers(Rcache, index, G1_scratch); | |
727 | 2210 AddressLiteral get_field_access_count_addr(JvmtiExport::get_field_access_count_addr()); |
0 | 2211 __ load_contents(get_field_access_count_addr, G1_scratch); |
2212 __ tst(G1_scratch); | |
2213 __ br(Assembler::zero, false, Assembler::pt, Label1); | |
2214 __ delayed()->nop(); | |
2215 | |
2216 __ add(Rcache, in_bytes(cp_base_offset), Rcache); | |
2217 | |
2218 if (is_static) { | |
2219 __ clr(Otos_i); | |
2220 } else { | |
2221 if (has_tos) { | |
2222 // save object pointer before call_VM() clobbers it | |
450
b22701a8b88f
6474243: suspicious jvmti code that uses oop unsafely across GC point
coleenp
parents:
356
diff
changeset
|
2223 __ push_ptr(Otos_i); // put object on tos where GC wants it. |
0 | 2224 } else { |
2225 // Load top of stack (do not pop the value off the stack); | |
2226 __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(0), Otos_i); | |
2227 } | |
2228 __ verify_oop(Otos_i); | |
2229 } | |
2230 // Otos_i: object pointer or NULL if static | |
2231 // Rcache: cache entry pointer | |
2232 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_access), | |
2233 Otos_i, Rcache); | |
2234 if (!is_static && has_tos) { | |
450
b22701a8b88f
6474243: suspicious jvmti code that uses oop unsafely across GC point
coleenp
parents:
356
diff
changeset
|
2235 __ pop_ptr(Otos_i); // restore object pointer |
0 | 2236 __ verify_oop(Otos_i); |
2237 } | |
2238 __ get_cache_and_index_at_bcp(Rcache, index, 1); | |
2239 __ bind(Label1); | |
2240 } | |
2241 } | |
2242 | |
2243 void TemplateTable::getfield_or_static(int byte_no, bool is_static) { | |
2244 transition(vtos, vtos); | |
2245 | |
2246 Register Rcache = G3_scratch; | |
2247 Register index = G4_scratch; | |
2248 Register Rclass = Rcache; | |
2249 Register Roffset= G4_scratch; | |
2250 Register Rflags = G1_scratch; | |
2251 ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); | |
2252 | |
1565 | 2253 resolve_cache_and_index(byte_no, noreg, Rcache, index, sizeof(u2)); |
0 | 2254 jvmti_post_field_access(Rcache, index, is_static, false); |
2255 load_field_cp_cache_entry(Rclass, Rcache, index, Roffset, Rflags, is_static); | |
2256 | |
2257 if (!is_static) { | |
2258 pop_and_check_object(Rclass); | |
2259 } else { | |
2260 __ verify_oop(Rclass); | |
2261 } | |
2262 | |
2263 Label exit; | |
2264 | |
2265 Assembler::Membar_mask_bits membar_bits = | |
2266 Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); | |
2267 | |
2268 if (__ membar_has_effect(membar_bits)) { | |
2269 // Get volatile flag | |
2270 __ set((1 << ConstantPoolCacheEntry::volatileField), Lscratch); | |
2271 __ and3(Rflags, Lscratch, Lscratch); | |
2272 } | |
2273 | |
2274 Label checkVolatile; | |
2275 | |
2276 // compute field type | |
2277 Label notByte, notInt, notShort, notChar, notLong, notFloat, notObj; | |
2278 __ srl(Rflags, ConstantPoolCacheEntry::tosBits, Rflags); | |
2279 // Make sure we don't need to mask Rflags for tosBits after the above shift | |
2280 ConstantPoolCacheEntry::verify_tosBits(); | |
2281 | |
2282 // Check atos before itos for getstatic, more likely (in Queens at least) | |
2283 __ cmp(Rflags, atos); | |
2284 __ br(Assembler::notEqual, false, Assembler::pt, notObj); | |
2285 __ delayed() ->cmp(Rflags, itos); | |
2286 | |
2287 // atos | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2288 __ load_heap_oop(Rclass, Roffset, Otos_i); |
0 | 2289 __ verify_oop(Otos_i); |
2290 __ push(atos); | |
2291 if (!is_static) { | |
2292 patch_bytecode(Bytecodes::_fast_agetfield, G3_scratch, G4_scratch); | |
2293 } | |
2294 __ ba(false, checkVolatile); | |
2295 __ delayed()->tst(Lscratch); | |
2296 | |
2297 __ bind(notObj); | |
2298 | |
2299 // cmp(Rflags, itos); | |
2300 __ br(Assembler::notEqual, false, Assembler::pt, notInt); | |
2301 __ delayed() ->cmp(Rflags, ltos); | |
2302 | |
2303 // itos | |
2304 __ ld(Rclass, Roffset, Otos_i); | |
2305 __ push(itos); | |
2306 if (!is_static) { | |
2307 patch_bytecode(Bytecodes::_fast_igetfield, G3_scratch, G4_scratch); | |
2308 } | |
2309 __ ba(false, checkVolatile); | |
2310 __ delayed()->tst(Lscratch); | |
2311 | |
2312 __ bind(notInt); | |
2313 | |
2314 // cmp(Rflags, ltos); | |
2315 __ br(Assembler::notEqual, false, Assembler::pt, notLong); | |
2316 __ delayed() ->cmp(Rflags, btos); | |
2317 | |
2318 // ltos | |
2319 // load must be atomic | |
2320 __ ld_long(Rclass, Roffset, Otos_l); | |
2321 __ push(ltos); | |
2322 if (!is_static) { | |
2323 patch_bytecode(Bytecodes::_fast_lgetfield, G3_scratch, G4_scratch); | |
2324 } | |
2325 __ ba(false, checkVolatile); | |
2326 __ delayed()->tst(Lscratch); | |
2327 | |
2328 __ bind(notLong); | |
2329 | |
2330 // cmp(Rflags, btos); | |
2331 __ br(Assembler::notEqual, false, Assembler::pt, notByte); | |
2332 __ delayed() ->cmp(Rflags, ctos); | |
2333 | |
2334 // btos | |
2335 __ ldsb(Rclass, Roffset, Otos_i); | |
2336 __ push(itos); | |
2337 if (!is_static) { | |
2338 patch_bytecode(Bytecodes::_fast_bgetfield, G3_scratch, G4_scratch); | |
2339 } | |
2340 __ ba(false, checkVolatile); | |
2341 __ delayed()->tst(Lscratch); | |
2342 | |
2343 __ bind(notByte); | |
2344 | |
2345 // cmp(Rflags, ctos); | |
2346 __ br(Assembler::notEqual, false, Assembler::pt, notChar); | |
2347 __ delayed() ->cmp(Rflags, stos); | |
2348 | |
2349 // ctos | |
2350 __ lduh(Rclass, Roffset, Otos_i); | |
2351 __ push(itos); | |
2352 if (!is_static) { | |
2353 patch_bytecode(Bytecodes::_fast_cgetfield, G3_scratch, G4_scratch); | |
2354 } | |
2355 __ ba(false, checkVolatile); | |
2356 __ delayed()->tst(Lscratch); | |
2357 | |
2358 __ bind(notChar); | |
2359 | |
2360 // cmp(Rflags, stos); | |
2361 __ br(Assembler::notEqual, false, Assembler::pt, notShort); | |
2362 __ delayed() ->cmp(Rflags, ftos); | |
2363 | |
2364 // stos | |
2365 __ ldsh(Rclass, Roffset, Otos_i); | |
2366 __ push(itos); | |
2367 if (!is_static) { | |
2368 patch_bytecode(Bytecodes::_fast_sgetfield, G3_scratch, G4_scratch); | |
2369 } | |
2370 __ ba(false, checkVolatile); | |
2371 __ delayed()->tst(Lscratch); | |
2372 | |
2373 __ bind(notShort); | |
2374 | |
2375 | |
2376 // cmp(Rflags, ftos); | |
2377 __ br(Assembler::notEqual, false, Assembler::pt, notFloat); | |
2378 __ delayed() ->tst(Lscratch); | |
2379 | |
2380 // ftos | |
2381 __ ldf(FloatRegisterImpl::S, Rclass, Roffset, Ftos_f); | |
2382 __ push(ftos); | |
2383 if (!is_static) { | |
2384 patch_bytecode(Bytecodes::_fast_fgetfield, G3_scratch, G4_scratch); | |
2385 } | |
2386 __ ba(false, checkVolatile); | |
2387 __ delayed()->tst(Lscratch); | |
2388 | |
2389 __ bind(notFloat); | |
2390 | |
2391 | |
2392 // dtos | |
2393 __ ldf(FloatRegisterImpl::D, Rclass, Roffset, Ftos_d); | |
2394 __ push(dtos); | |
2395 if (!is_static) { | |
2396 patch_bytecode(Bytecodes::_fast_dgetfield, G3_scratch, G4_scratch); | |
2397 } | |
2398 | |
2399 __ bind(checkVolatile); | |
2400 if (__ membar_has_effect(membar_bits)) { | |
2401 // __ tst(Lscratch); executed in delay slot | |
2402 __ br(Assembler::zero, false, Assembler::pt, exit); | |
2403 __ delayed()->nop(); | |
2404 volatile_barrier(membar_bits); | |
2405 } | |
2406 | |
2407 __ bind(exit); | |
2408 } | |
2409 | |
2410 | |
2411 void TemplateTable::getfield(int byte_no) { | |
2412 getfield_or_static(byte_no, false); | |
2413 } | |
2414 | |
2415 void TemplateTable::getstatic(int byte_no) { | |
2416 getfield_or_static(byte_no, true); | |
2417 } | |
2418 | |
2419 | |
2420 void TemplateTable::fast_accessfield(TosState state) { | |
2421 transition(atos, state); | |
2422 Register Rcache = G3_scratch; | |
2423 Register index = G4_scratch; | |
2424 Register Roffset = G4_scratch; | |
2425 Register Rflags = Rcache; | |
2426 ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); | |
2427 | |
2428 __ get_cache_and_index_at_bcp(Rcache, index, 1); | |
2429 jvmti_post_field_access(Rcache, index, /*is_static*/false, /*has_tos*/true); | |
2430 | |
727 | 2431 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
0 | 2432 |
2433 __ null_check(Otos_i); | |
2434 __ verify_oop(Otos_i); | |
2435 | |
2436 Label exit; | |
2437 | |
2438 Assembler::Membar_mask_bits membar_bits = | |
2439 Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); | |
2440 if (__ membar_has_effect(membar_bits)) { | |
2441 // Get volatile flag | |
727 | 2442 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Rflags); |
0 | 2443 __ set((1 << ConstantPoolCacheEntry::volatileField), Lscratch); |
2444 } | |
2445 | |
2446 switch (bytecode()) { | |
2447 case Bytecodes::_fast_bgetfield: | |
2448 __ ldsb(Otos_i, Roffset, Otos_i); | |
2449 break; | |
2450 case Bytecodes::_fast_cgetfield: | |
2451 __ lduh(Otos_i, Roffset, Otos_i); | |
2452 break; | |
2453 case Bytecodes::_fast_sgetfield: | |
2454 __ ldsh(Otos_i, Roffset, Otos_i); | |
2455 break; | |
2456 case Bytecodes::_fast_igetfield: | |
2457 __ ld(Otos_i, Roffset, Otos_i); | |
2458 break; | |
2459 case Bytecodes::_fast_lgetfield: | |
2460 __ ld_long(Otos_i, Roffset, Otos_l); | |
2461 break; | |
2462 case Bytecodes::_fast_fgetfield: | |
2463 __ ldf(FloatRegisterImpl::S, Otos_i, Roffset, Ftos_f); | |
2464 break; | |
2465 case Bytecodes::_fast_dgetfield: | |
2466 __ ldf(FloatRegisterImpl::D, Otos_i, Roffset, Ftos_d); | |
2467 break; | |
2468 case Bytecodes::_fast_agetfield: | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2469 __ load_heap_oop(Otos_i, Roffset, Otos_i); |
0 | 2470 break; |
2471 default: | |
2472 ShouldNotReachHere(); | |
2473 } | |
2474 | |
2475 if (__ membar_has_effect(membar_bits)) { | |
2476 __ btst(Lscratch, Rflags); | |
2477 __ br(Assembler::zero, false, Assembler::pt, exit); | |
2478 __ delayed()->nop(); | |
2479 volatile_barrier(membar_bits); | |
2480 __ bind(exit); | |
2481 } | |
2482 | |
2483 if (state == atos) { | |
2484 __ verify_oop(Otos_i); // does not blow flags! | |
2485 } | |
2486 } | |
2487 | |
2488 void TemplateTable::jvmti_post_fast_field_mod() { | |
2489 if (JvmtiExport::can_post_field_modification()) { | |
2490 // Check to see if a field modification watch has been set before we take | |
2491 // the time to call into the VM. | |
2492 Label done; | |
727 | 2493 AddressLiteral get_field_modification_count_addr(JvmtiExport::get_field_modification_count_addr()); |
0 | 2494 __ load_contents(get_field_modification_count_addr, G4_scratch); |
2495 __ tst(G4_scratch); | |
2496 __ br(Assembler::zero, false, Assembler::pt, done); | |
2497 __ delayed()->nop(); | |
2498 __ pop_ptr(G4_scratch); // copy the object pointer from tos | |
2499 __ verify_oop(G4_scratch); | |
2500 __ push_ptr(G4_scratch); // put the object pointer back on tos | |
2501 __ get_cache_entry_pointer_at_bcp(G1_scratch, G3_scratch, 1); | |
2502 // Save tos values before call_VM() clobbers them. Since we have | |
2503 // to do it for every data type, we use the saved values as the | |
2504 // jvalue object. | |
2505 switch (bytecode()) { // save tos values before call_VM() clobbers them | |
2506 case Bytecodes::_fast_aputfield: __ push_ptr(Otos_i); break; | |
2507 case Bytecodes::_fast_bputfield: // fall through | |
2508 case Bytecodes::_fast_sputfield: // fall through | |
2509 case Bytecodes::_fast_cputfield: // fall through | |
2510 case Bytecodes::_fast_iputfield: __ push_i(Otos_i); break; | |
2511 case Bytecodes::_fast_dputfield: __ push_d(Ftos_d); break; | |
2512 case Bytecodes::_fast_fputfield: __ push_f(Ftos_f); break; | |
2513 // get words in right order for use as jvalue object | |
2514 case Bytecodes::_fast_lputfield: __ push_l(Otos_l); break; | |
2515 } | |
2516 // setup pointer to jvalue object | |
2517 __ mov(Lesp, G3_scratch); __ inc(G3_scratch, wordSize); | |
2518 // G4_scratch: object pointer | |
2519 // G1_scratch: cache entry pointer | |
2520 // G3_scratch: jvalue object on the stack | |
2521 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), G4_scratch, G1_scratch, G3_scratch); | |
2522 switch (bytecode()) { // restore tos values | |
2523 case Bytecodes::_fast_aputfield: __ pop_ptr(Otos_i); break; | |
2524 case Bytecodes::_fast_bputfield: // fall through | |
2525 case Bytecodes::_fast_sputfield: // fall through | |
2526 case Bytecodes::_fast_cputfield: // fall through | |
2527 case Bytecodes::_fast_iputfield: __ pop_i(Otos_i); break; | |
2528 case Bytecodes::_fast_dputfield: __ pop_d(Ftos_d); break; | |
2529 case Bytecodes::_fast_fputfield: __ pop_f(Ftos_f); break; | |
2530 case Bytecodes::_fast_lputfield: __ pop_l(Otos_l); break; | |
2531 } | |
2532 __ bind(done); | |
2533 } | |
2534 } | |
2535 | |
2536 // The registers Rcache and index expected to be set before call. | |
2537 // The function may destroy various registers, just not the Rcache and index registers. | |
2538 void TemplateTable::jvmti_post_field_mod(Register Rcache, Register index, bool is_static) { | |
2539 ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); | |
2540 | |
2541 if (JvmtiExport::can_post_field_modification()) { | |
2542 // Check to see if a field modification watch has been set before we take | |
2543 // the time to call into the VM. | |
2544 Label Label1; | |
2545 assert_different_registers(Rcache, index, G1_scratch); | |
727 | 2546 AddressLiteral get_field_modification_count_addr(JvmtiExport::get_field_modification_count_addr()); |
0 | 2547 __ load_contents(get_field_modification_count_addr, G1_scratch); |
2548 __ tst(G1_scratch); | |
2549 __ br(Assembler::zero, false, Assembler::pt, Label1); | |
2550 __ delayed()->nop(); | |
2551 | |
2552 // The Rcache and index registers have been already set. | |
2553 // This allows to eliminate this call but the Rcache and index | |
2554 // registers must be correspondingly used after this line. | |
2555 __ get_cache_and_index_at_bcp(G1_scratch, G4_scratch, 1); | |
2556 | |
2557 __ add(G1_scratch, in_bytes(cp_base_offset), G3_scratch); | |
2558 if (is_static) { | |
2559 // Life is simple. Null out the object pointer. | |
2560 __ clr(G4_scratch); | |
2561 } else { | |
2562 Register Rflags = G1_scratch; | |
2563 // Life is harder. The stack holds the value on top, followed by the | |
2564 // object. We don't know the size of the value, though; it could be | |
2565 // one or two words depending on its type. As a result, we must find | |
2566 // the type to determine where the object is. | |
2567 | |
2568 Label two_word, valsizeknown; | |
727 | 2569 __ ld_ptr(G1_scratch, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
0 | 2570 __ mov(Lesp, G4_scratch); |
2571 __ srl(Rflags, ConstantPoolCacheEntry::tosBits, Rflags); | |
2572 // Make sure we don't need to mask Rflags for tosBits after the above shift | |
2573 ConstantPoolCacheEntry::verify_tosBits(); | |
2574 __ cmp(Rflags, ltos); | |
2575 __ br(Assembler::equal, false, Assembler::pt, two_word); | |
2576 __ delayed()->cmp(Rflags, dtos); | |
2577 __ br(Assembler::equal, false, Assembler::pt, two_word); | |
2578 __ delayed()->nop(); | |
2579 __ inc(G4_scratch, Interpreter::expr_offset_in_bytes(1)); | |
2580 __ br(Assembler::always, false, Assembler::pt, valsizeknown); | |
2581 __ delayed()->nop(); | |
2582 __ bind(two_word); | |
2583 | |
2584 __ inc(G4_scratch, Interpreter::expr_offset_in_bytes(2)); | |
2585 | |
2586 __ bind(valsizeknown); | |
2587 // setup object pointer | |
2588 __ ld_ptr(G4_scratch, 0, G4_scratch); | |
2589 __ verify_oop(G4_scratch); | |
2590 } | |
2591 // setup pointer to jvalue object | |
2592 __ mov(Lesp, G1_scratch); __ inc(G1_scratch, wordSize); | |
2593 // G4_scratch: object pointer or NULL if static | |
2594 // G3_scratch: cache entry pointer | |
2595 // G1_scratch: jvalue object on the stack | |
2596 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), | |
2597 G4_scratch, G3_scratch, G1_scratch); | |
2598 __ get_cache_and_index_at_bcp(Rcache, index, 1); | |
2599 __ bind(Label1); | |
2600 } | |
2601 } | |
2602 | |
2603 void TemplateTable::pop_and_check_object(Register r) { | |
2604 __ pop_ptr(r); | |
2605 __ null_check(r); // for field access must check obj. | |
2606 __ verify_oop(r); | |
2607 } | |
2608 | |
2609 void TemplateTable::putfield_or_static(int byte_no, bool is_static) { | |
2610 transition(vtos, vtos); | |
2611 Register Rcache = G3_scratch; | |
2612 Register index = G4_scratch; | |
2613 Register Rclass = Rcache; | |
2614 Register Roffset= G4_scratch; | |
2615 Register Rflags = G1_scratch; | |
2616 ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); | |
2617 | |
1565 | 2618 resolve_cache_and_index(byte_no, noreg, Rcache, index, sizeof(u2)); |
0 | 2619 jvmti_post_field_mod(Rcache, index, is_static); |
2620 load_field_cp_cache_entry(Rclass, Rcache, index, Roffset, Rflags, is_static); | |
2621 | |
2622 Assembler::Membar_mask_bits read_bits = | |
2623 Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore); | |
2624 Assembler::Membar_mask_bits write_bits = Assembler::StoreLoad; | |
2625 | |
2626 Label notVolatile, checkVolatile, exit; | |
2627 if (__ membar_has_effect(read_bits) || __ membar_has_effect(write_bits)) { | |
2628 __ set((1 << ConstantPoolCacheEntry::volatileField), Lscratch); | |
2629 __ and3(Rflags, Lscratch, Lscratch); | |
2630 | |
2631 if (__ membar_has_effect(read_bits)) { | |
2632 __ tst(Lscratch); | |
2633 __ br(Assembler::zero, false, Assembler::pt, notVolatile); | |
2634 __ delayed()->nop(); | |
2635 volatile_barrier(read_bits); | |
2636 __ bind(notVolatile); | |
2637 } | |
2638 } | |
2639 | |
2640 __ srl(Rflags, ConstantPoolCacheEntry::tosBits, Rflags); | |
2641 // Make sure we don't need to mask Rflags for tosBits after the above shift | |
2642 ConstantPoolCacheEntry::verify_tosBits(); | |
2643 | |
2644 // compute field type | |
2645 Label notInt, notShort, notChar, notObj, notByte, notLong, notFloat; | |
2646 | |
2647 if (is_static) { | |
2648 // putstatic with object type most likely, check that first | |
2649 __ cmp(Rflags, atos ); | |
2650 __ br(Assembler::notEqual, false, Assembler::pt, notObj); | |
2651 __ delayed() ->cmp(Rflags, itos ); | |
2652 | |
2653 // atos | |
2654 __ pop_ptr(); | |
2655 __ verify_oop(Otos_i); | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2656 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2657 do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2658 |
0 | 2659 __ ba(false, checkVolatile); |
2660 __ delayed()->tst(Lscratch); | |
2661 | |
2662 __ bind(notObj); | |
2663 | |
2664 // cmp(Rflags, itos ); | |
2665 __ br(Assembler::notEqual, false, Assembler::pt, notInt); | |
2666 __ delayed() ->cmp(Rflags, btos ); | |
2667 | |
2668 // itos | |
2669 __ pop_i(); | |
2670 __ st(Otos_i, Rclass, Roffset); | |
2671 __ ba(false, checkVolatile); | |
2672 __ delayed()->tst(Lscratch); | |
2673 | |
2674 __ bind(notInt); | |
2675 | |
2676 } else { | |
2677 // putfield with int type most likely, check that first | |
2678 __ cmp(Rflags, itos ); | |
2679 __ br(Assembler::notEqual, false, Assembler::pt, notInt); | |
2680 __ delayed() ->cmp(Rflags, atos ); | |
2681 | |
2682 // itos | |
2683 __ pop_i(); | |
2684 pop_and_check_object(Rclass); | |
2685 __ st(Otos_i, Rclass, Roffset); | |
2686 patch_bytecode(Bytecodes::_fast_iputfield, G3_scratch, G4_scratch); | |
2687 __ ba(false, checkVolatile); | |
2688 __ delayed()->tst(Lscratch); | |
2689 | |
2690 __ bind(notInt); | |
2691 // cmp(Rflags, atos ); | |
2692 __ br(Assembler::notEqual, false, Assembler::pt, notObj); | |
2693 __ delayed() ->cmp(Rflags, btos ); | |
2694 | |
2695 // atos | |
2696 __ pop_ptr(); | |
2697 pop_and_check_object(Rclass); | |
2698 __ verify_oop(Otos_i); | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2699 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2700 do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2701 |
0 | 2702 patch_bytecode(Bytecodes::_fast_aputfield, G3_scratch, G4_scratch); |
2703 __ ba(false, checkVolatile); | |
2704 __ delayed()->tst(Lscratch); | |
2705 | |
2706 __ bind(notObj); | |
2707 } | |
2708 | |
2709 // cmp(Rflags, btos ); | |
2710 __ br(Assembler::notEqual, false, Assembler::pt, notByte); | |
2711 __ delayed() ->cmp(Rflags, ltos ); | |
2712 | |
2713 // btos | |
2714 __ pop_i(); | |
2715 if (!is_static) pop_and_check_object(Rclass); | |
2716 __ stb(Otos_i, Rclass, Roffset); | |
2717 if (!is_static) { | |
2718 patch_bytecode(Bytecodes::_fast_bputfield, G3_scratch, G4_scratch); | |
2719 } | |
2720 __ ba(false, checkVolatile); | |
2721 __ delayed()->tst(Lscratch); | |
2722 | |
2723 __ bind(notByte); | |
2724 | |
2725 // cmp(Rflags, ltos ); | |
2726 __ br(Assembler::notEqual, false, Assembler::pt, notLong); | |
2727 __ delayed() ->cmp(Rflags, ctos ); | |
2728 | |
2729 // ltos | |
2730 __ pop_l(); | |
2731 if (!is_static) pop_and_check_object(Rclass); | |
2732 __ st_long(Otos_l, Rclass, Roffset); | |
2733 if (!is_static) { | |
2734 patch_bytecode(Bytecodes::_fast_lputfield, G3_scratch, G4_scratch); | |
2735 } | |
2736 __ ba(false, checkVolatile); | |
2737 __ delayed()->tst(Lscratch); | |
2738 | |
2739 __ bind(notLong); | |
2740 | |
2741 // cmp(Rflags, ctos ); | |
2742 __ br(Assembler::notEqual, false, Assembler::pt, notChar); | |
2743 __ delayed() ->cmp(Rflags, stos ); | |
2744 | |
2745 // ctos (char) | |
2746 __ pop_i(); | |
2747 if (!is_static) pop_and_check_object(Rclass); | |
2748 __ sth(Otos_i, Rclass, Roffset); | |
2749 if (!is_static) { | |
2750 patch_bytecode(Bytecodes::_fast_cputfield, G3_scratch, G4_scratch); | |
2751 } | |
2752 __ ba(false, checkVolatile); | |
2753 __ delayed()->tst(Lscratch); | |
2754 | |
2755 __ bind(notChar); | |
2756 // cmp(Rflags, stos ); | |
2757 __ br(Assembler::notEqual, false, Assembler::pt, notShort); | |
2758 __ delayed() ->cmp(Rflags, ftos ); | |
2759 | |
2760 // stos (char) | |
2761 __ pop_i(); | |
2762 if (!is_static) pop_and_check_object(Rclass); | |
2763 __ sth(Otos_i, Rclass, Roffset); | |
2764 if (!is_static) { | |
2765 patch_bytecode(Bytecodes::_fast_sputfield, G3_scratch, G4_scratch); | |
2766 } | |
2767 __ ba(false, checkVolatile); | |
2768 __ delayed()->tst(Lscratch); | |
2769 | |
2770 __ bind(notShort); | |
2771 // cmp(Rflags, ftos ); | |
2772 __ br(Assembler::notZero, false, Assembler::pt, notFloat); | |
2773 __ delayed()->nop(); | |
2774 | |
2775 // ftos | |
2776 __ pop_f(); | |
2777 if (!is_static) pop_and_check_object(Rclass); | |
2778 __ stf(FloatRegisterImpl::S, Ftos_f, Rclass, Roffset); | |
2779 if (!is_static) { | |
2780 patch_bytecode(Bytecodes::_fast_fputfield, G3_scratch, G4_scratch); | |
2781 } | |
2782 __ ba(false, checkVolatile); | |
2783 __ delayed()->tst(Lscratch); | |
2784 | |
2785 __ bind(notFloat); | |
2786 | |
2787 // dtos | |
2788 __ pop_d(); | |
2789 if (!is_static) pop_and_check_object(Rclass); | |
2790 __ stf(FloatRegisterImpl::D, Ftos_d, Rclass, Roffset); | |
2791 if (!is_static) { | |
2792 patch_bytecode(Bytecodes::_fast_dputfield, G3_scratch, G4_scratch); | |
2793 } | |
2794 | |
2795 __ bind(checkVolatile); | |
2796 __ tst(Lscratch); | |
2797 | |
2798 if (__ membar_has_effect(write_bits)) { | |
2799 // __ tst(Lscratch); in delay slot | |
2800 __ br(Assembler::zero, false, Assembler::pt, exit); | |
2801 __ delayed()->nop(); | |
2802 volatile_barrier(Assembler::StoreLoad); | |
2803 __ bind(exit); | |
2804 } | |
2805 } | |
2806 | |
2807 void TemplateTable::fast_storefield(TosState state) { | |
2808 transition(state, vtos); | |
2809 Register Rcache = G3_scratch; | |
2810 Register Rclass = Rcache; | |
2811 Register Roffset= G4_scratch; | |
2812 Register Rflags = G1_scratch; | |
2813 ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); | |
2814 | |
2815 jvmti_post_fast_field_mod(); | |
2816 | |
2817 __ get_cache_and_index_at_bcp(Rcache, G4_scratch, 1); | |
2818 | |
2819 Assembler::Membar_mask_bits read_bits = | |
2820 Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore); | |
2821 Assembler::Membar_mask_bits write_bits = Assembler::StoreLoad; | |
2822 | |
2823 Label notVolatile, checkVolatile, exit; | |
2824 if (__ membar_has_effect(read_bits) || __ membar_has_effect(write_bits)) { | |
727 | 2825 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
0 | 2826 __ set((1 << ConstantPoolCacheEntry::volatileField), Lscratch); |
2827 __ and3(Rflags, Lscratch, Lscratch); | |
2828 if (__ membar_has_effect(read_bits)) { | |
2829 __ tst(Lscratch); | |
2830 __ br(Assembler::zero, false, Assembler::pt, notVolatile); | |
2831 __ delayed()->nop(); | |
2832 volatile_barrier(read_bits); | |
2833 __ bind(notVolatile); | |
2834 } | |
2835 } | |
2836 | |
727 | 2837 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
0 | 2838 pop_and_check_object(Rclass); |
2839 | |
2840 switch (bytecode()) { | |
2841 case Bytecodes::_fast_bputfield: __ stb(Otos_i, Rclass, Roffset); break; | |
2842 case Bytecodes::_fast_cputfield: /* fall through */ | |
2843 case Bytecodes::_fast_sputfield: __ sth(Otos_i, Rclass, Roffset); break; | |
2844 case Bytecodes::_fast_iputfield: __ st(Otos_i, Rclass, Roffset); break; | |
2845 case Bytecodes::_fast_lputfield: __ st_long(Otos_l, Rclass, Roffset); break; | |
2846 case Bytecodes::_fast_fputfield: | |
2847 __ stf(FloatRegisterImpl::S, Ftos_f, Rclass, Roffset); | |
2848 break; | |
2849 case Bytecodes::_fast_dputfield: | |
2850 __ stf(FloatRegisterImpl::D, Ftos_d, Rclass, Roffset); | |
2851 break; | |
2852 case Bytecodes::_fast_aputfield: | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2853 do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
0 | 2854 break; |
2855 default: | |
2856 ShouldNotReachHere(); | |
2857 } | |
2858 | |
2859 if (__ membar_has_effect(write_bits)) { | |
2860 __ tst(Lscratch); | |
2861 __ br(Assembler::zero, false, Assembler::pt, exit); | |
2862 __ delayed()->nop(); | |
2863 volatile_barrier(Assembler::StoreLoad); | |
2864 __ bind(exit); | |
2865 } | |
2866 } | |
2867 | |
2868 | |
2869 void TemplateTable::putfield(int byte_no) { | |
2870 putfield_or_static(byte_no, false); | |
2871 } | |
2872 | |
2873 void TemplateTable::putstatic(int byte_no) { | |
2874 putfield_or_static(byte_no, true); | |
2875 } | |
2876 | |
2877 | |
2878 void TemplateTable::fast_xaccess(TosState state) { | |
2879 transition(vtos, state); | |
2880 Register Rcache = G3_scratch; | |
2881 Register Roffset = G4_scratch; | |
2882 Register Rflags = G4_scratch; | |
2883 Register Rreceiver = Lscratch; | |
2884 | |
1506 | 2885 __ ld_ptr(Llocals, 0, Rreceiver); |
0 | 2886 |
2887 // access constant pool cache (is resolved) | |
2888 __ get_cache_and_index_at_bcp(Rcache, G4_scratch, 2); | |
727 | 2889 __ ld_ptr(Rcache, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::f2_offset(), Roffset); |
0 | 2890 __ add(Lbcp, 1, Lbcp); // needed to report exception at the correct bcp |
2891 | |
2892 __ verify_oop(Rreceiver); | |
2893 __ null_check(Rreceiver); | |
2894 if (state == atos) { | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2895 __ load_heap_oop(Rreceiver, Roffset, Otos_i); |
0 | 2896 } else if (state == itos) { |
2897 __ ld (Rreceiver, Roffset, Otos_i) ; | |
2898 } else if (state == ftos) { | |
2899 __ ldf(FloatRegisterImpl::S, Rreceiver, Roffset, Ftos_f); | |
2900 } else { | |
2901 ShouldNotReachHere(); | |
2902 } | |
2903 | |
2904 Assembler::Membar_mask_bits membar_bits = | |
2905 Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); | |
2906 if (__ membar_has_effect(membar_bits)) { | |
2907 | |
2908 // Get is_volatile value in Rflags and check if membar is needed | |
727 | 2909 __ ld_ptr(Rcache, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::flags_offset(), Rflags); |
0 | 2910 |
2911 // Test volatile | |
2912 Label notVolatile; | |
2913 __ set((1 << ConstantPoolCacheEntry::volatileField), Lscratch); | |
2914 __ btst(Rflags, Lscratch); | |
2915 __ br(Assembler::zero, false, Assembler::pt, notVolatile); | |
2916 __ delayed()->nop(); | |
2917 volatile_barrier(membar_bits); | |
2918 __ bind(notVolatile); | |
2919 } | |
2920 | |
2921 __ interp_verify_oop(Otos_i, state, __FILE__, __LINE__); | |
2922 __ sub(Lbcp, 1, Lbcp); | |
2923 } | |
2924 | |
2925 //---------------------------------------------------------------------------------------------------- | |
2926 // Calls | |
2927 | |
2928 void TemplateTable::count_calls(Register method, Register temp) { | |
2929 // implemented elsewhere | |
2930 ShouldNotReachHere(); | |
2931 } | |
2932 | |
2933 void TemplateTable::generate_vtable_call(Register Rrecv, Register Rindex, Register Rret) { | |
2934 Register Rtemp = G4_scratch; | |
2935 Register Rcall = Rindex; | |
2936 assert_different_registers(Rcall, G5_method, Gargs, Rret); | |
2937 | |
2938 // get target methodOop & entry point | |
2939 const int base = instanceKlass::vtable_start_offset() * wordSize; | |
2940 if (vtableEntry::size() % 3 == 0) { | |
2941 // scale the vtable index by 12: | |
2942 int one_third = vtableEntry::size() / 3; | |
2943 __ sll(Rindex, exact_log2(one_third * 1 * wordSize), Rtemp); | |
2944 __ sll(Rindex, exact_log2(one_third * 2 * wordSize), Rindex); | |
2945 __ add(Rindex, Rtemp, Rindex); | |
2946 } else { | |
2947 // scale the vtable index by 8: | |
2948 __ sll(Rindex, exact_log2(vtableEntry::size() * wordSize), Rindex); | |
2949 } | |
2950 | |
2951 __ add(Rrecv, Rindex, Rrecv); | |
2952 __ ld_ptr(Rrecv, base + vtableEntry::method_offset_in_bytes(), G5_method); | |
2953 | |
2954 __ call_from_interpreter(Rcall, Gargs, Rret); | |
2955 } | |
2956 | |
2957 void TemplateTable::invokevirtual(int byte_no) { | |
2958 transition(vtos, vtos); | |
1565 | 2959 assert(byte_no == f2_byte, "use this argument"); |
0 | 2960 |
2961 Register Rscratch = G3_scratch; | |
2962 Register Rtemp = G4_scratch; | |
2963 Register Rret = Lscratch; | |
2964 Register Rrecv = G5_method; | |
2965 Label notFinal; | |
2966 | |
1565 | 2967 load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Rret, true, false, false); |
0 | 2968 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
2969 | |
2970 // Check for vfinal | |
2971 __ set((1 << ConstantPoolCacheEntry::vfinalMethod), G4_scratch); | |
2972 __ btst(Rret, G4_scratch); | |
2973 __ br(Assembler::zero, false, Assembler::pt, notFinal); | |
2974 __ delayed()->and3(Rret, 0xFF, G4_scratch); // gets number of parameters | |
2975 | |
2976 patch_bytecode(Bytecodes::_fast_invokevfinal, Rscratch, Rtemp); | |
2977 | |
2978 invokevfinal_helper(Rscratch, Rret); | |
2979 | |
2980 __ bind(notFinal); | |
2981 | |
2982 __ mov(G5_method, Rscratch); // better scratch register | |
2983 __ load_receiver(G4_scratch, O0); // gets receiverOop | |
2984 // receiver is in O0 | |
2985 __ verify_oop(O0); | |
2986 | |
2987 // get return address | |
727 | 2988 AddressLiteral table(Interpreter::return_3_addrs_by_index_table()); |
2989 __ set(table, Rtemp); | |
0 | 2990 __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
2991 // Make sure we don't need to mask Rret for tosBits after the above shift | |
2992 ConstantPoolCacheEntry::verify_tosBits(); | |
2993 __ sll(Rret, LogBytesPerWord, Rret); | |
2994 __ ld_ptr(Rtemp, Rret, Rret); // get return address | |
2995 | |
2996 // get receiver klass | |
2997 __ null_check(O0, oopDesc::klass_offset_in_bytes()); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2998 __ load_klass(O0, Rrecv); |
0 | 2999 __ verify_oop(Rrecv); |
3000 | |
3001 __ profile_virtual_call(Rrecv, O4); | |
3002 | |
3003 generate_vtable_call(Rrecv, Rscratch, Rret); | |
3004 } | |
3005 | |
3006 void TemplateTable::fast_invokevfinal(int byte_no) { | |
3007 transition(vtos, vtos); | |
1565 | 3008 assert(byte_no == f2_byte, "use this argument"); |
0 | 3009 |
3010 load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Lscratch, true, | |
1565 | 3011 /*is_invokevfinal*/true, false); |
0 | 3012 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
3013 invokevfinal_helper(G3_scratch, Lscratch); | |
3014 } | |
3015 | |
3016 void TemplateTable::invokevfinal_helper(Register Rscratch, Register Rret) { | |
3017 Register Rtemp = G4_scratch; | |
3018 | |
3019 __ verify_oop(G5_method); | |
3020 | |
3021 // Load receiver from stack slot | |
727 | 3022 __ lduh(G5_method, in_bytes(methodOopDesc::size_of_parameters_offset()), G4_scratch); |
0 | 3023 __ load_receiver(G4_scratch, O0); |
3024 | |
3025 // receiver NULL check | |
3026 __ null_check(O0); | |
3027 | |
3028 __ profile_final_call(O4); | |
3029 | |
3030 // get return address | |
727 | 3031 AddressLiteral table(Interpreter::return_3_addrs_by_index_table()); |
3032 __ set(table, Rtemp); | |
0 | 3033 __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
3034 // Make sure we don't need to mask Rret for tosBits after the above shift | |
3035 ConstantPoolCacheEntry::verify_tosBits(); | |
3036 __ sll(Rret, LogBytesPerWord, Rret); | |
3037 __ ld_ptr(Rtemp, Rret, Rret); // get return address | |
3038 | |
3039 | |
3040 // do the call | |
3041 __ call_from_interpreter(Rscratch, Gargs, Rret); | |
3042 } | |
3043 | |
3044 void TemplateTable::invokespecial(int byte_no) { | |
3045 transition(vtos, vtos); | |
1565 | 3046 assert(byte_no == f1_byte, "use this argument"); |
0 | 3047 |
3048 Register Rscratch = G3_scratch; | |
3049 Register Rtemp = G4_scratch; | |
3050 Register Rret = Lscratch; | |
3051 | |
1565 | 3052 load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Rret, /*virtual*/ false, false, false); |
0 | 3053 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
3054 | |
3055 __ verify_oop(G5_method); | |
3056 | |
727 | 3057 __ lduh(G5_method, in_bytes(methodOopDesc::size_of_parameters_offset()), G4_scratch); |
0 | 3058 __ load_receiver(G4_scratch, O0); |
3059 | |
3060 // receiver NULL check | |
3061 __ null_check(O0); | |
3062 | |
3063 __ profile_call(O4); | |
3064 | |
3065 // get return address | |
727 | 3066 AddressLiteral table(Interpreter::return_3_addrs_by_index_table()); |
3067 __ set(table, Rtemp); | |
0 | 3068 __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
3069 // Make sure we don't need to mask Rret for tosBits after the above shift | |
3070 ConstantPoolCacheEntry::verify_tosBits(); | |
3071 __ sll(Rret, LogBytesPerWord, Rret); | |
3072 __ ld_ptr(Rtemp, Rret, Rret); // get return address | |
3073 | |
3074 // do the call | |
3075 __ call_from_interpreter(Rscratch, Gargs, Rret); | |
3076 } | |
3077 | |
3078 void TemplateTable::invokestatic(int byte_no) { | |
3079 transition(vtos, vtos); | |
1565 | 3080 assert(byte_no == f1_byte, "use this argument"); |
0 | 3081 |
3082 Register Rscratch = G3_scratch; | |
3083 Register Rtemp = G4_scratch; | |
3084 Register Rret = Lscratch; | |
3085 | |
1565 | 3086 load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Rret, /*virtual*/ false, false, false); |
0 | 3087 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
3088 | |
3089 __ verify_oop(G5_method); | |
3090 | |
3091 __ profile_call(O4); | |
3092 | |
3093 // get return address | |
727 | 3094 AddressLiteral table(Interpreter::return_3_addrs_by_index_table()); |
3095 __ set(table, Rtemp); | |
0 | 3096 __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
3097 // Make sure we don't need to mask Rret for tosBits after the above shift | |
3098 ConstantPoolCacheEntry::verify_tosBits(); | |
3099 __ sll(Rret, LogBytesPerWord, Rret); | |
3100 __ ld_ptr(Rtemp, Rret, Rret); // get return address | |
3101 | |
3102 // do the call | |
3103 __ call_from_interpreter(Rscratch, Gargs, Rret); | |
3104 } | |
3105 | |
3106 | |
3107 void TemplateTable::invokeinterface_object_method(Register RklassOop, | |
3108 Register Rcall, | |
3109 Register Rret, | |
3110 Register Rflags) { | |
3111 Register Rscratch = G4_scratch; | |
3112 Register Rindex = Lscratch; | |
3113 | |
3114 assert_different_registers(Rscratch, Rindex, Rret); | |
3115 | |
3116 Label notFinal; | |
3117 | |
3118 // Check for vfinal | |
3119 __ set((1 << ConstantPoolCacheEntry::vfinalMethod), Rscratch); | |
3120 __ btst(Rflags, Rscratch); | |
3121 __ br(Assembler::zero, false, Assembler::pt, notFinal); | |
3122 __ delayed()->nop(); | |
3123 | |
3124 __ profile_final_call(O4); | |
3125 | |
3126 // do the call - the index (f2) contains the methodOop | |
3127 assert_different_registers(G5_method, Gargs, Rcall); | |
3128 __ mov(Rindex, G5_method); | |
3129 __ call_from_interpreter(Rcall, Gargs, Rret); | |
3130 __ bind(notFinal); | |
3131 | |
3132 __ profile_virtual_call(RklassOop, O4); | |
3133 generate_vtable_call(RklassOop, Rindex, Rret); | |
3134 } | |
3135 | |
3136 | |
3137 void TemplateTable::invokeinterface(int byte_no) { | |
3138 transition(vtos, vtos); | |
1565 | 3139 assert(byte_no == f1_byte, "use this argument"); |
0 | 3140 |
3141 Register Rscratch = G4_scratch; | |
3142 Register Rret = G3_scratch; | |
3143 Register Rindex = Lscratch; | |
3144 Register Rinterface = G1_scratch; | |
3145 Register RklassOop = G5_method; | |
3146 Register Rflags = O1; | |
3147 assert_different_registers(Rscratch, G5_method); | |
3148 | |
1565 | 3149 load_invoke_cp_cache_entry(byte_no, Rinterface, Rindex, Rflags, /*virtual*/ false, false, false); |
0 | 3150 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
3151 | |
3152 // get receiver | |
3153 __ and3(Rflags, 0xFF, Rscratch); // gets number of parameters | |
3154 __ load_receiver(Rscratch, O0); | |
3155 __ verify_oop(O0); | |
3156 | |
3157 __ mov(Rflags, Rret); | |
3158 | |
3159 // get return address | |
727 | 3160 AddressLiteral table(Interpreter::return_5_addrs_by_index_table()); |
3161 __ set(table, Rscratch); | |
0 | 3162 __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type |
3163 // Make sure we don't need to mask Rret for tosBits after the above shift | |
3164 ConstantPoolCacheEntry::verify_tosBits(); | |
3165 __ sll(Rret, LogBytesPerWord, Rret); | |
3166 __ ld_ptr(Rscratch, Rret, Rret); // get return address | |
3167 | |
3168 // get receiver klass | |
3169 __ null_check(O0, oopDesc::klass_offset_in_bytes()); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3170 __ load_klass(O0, RklassOop); |
0 | 3171 __ verify_oop(RklassOop); |
3172 | |
3173 // Special case of invokeinterface called for virtual method of | |
3174 // java.lang.Object. See cpCacheOop.cpp for details. | |
3175 // This code isn't produced by javac, but could be produced by | |
3176 // another compliant java compiler. | |
3177 Label notMethod; | |
3178 __ set((1 << ConstantPoolCacheEntry::methodInterface), Rscratch); | |
3179 __ btst(Rflags, Rscratch); | |
3180 __ br(Assembler::zero, false, Assembler::pt, notMethod); | |
3181 __ delayed()->nop(); | |
3182 | |
3183 invokeinterface_object_method(RklassOop, Rinterface, Rret, Rflags); | |
3184 | |
3185 __ bind(notMethod); | |
3186 | |
3187 __ profile_virtual_call(RklassOop, O4); | |
3188 | |
3189 // | |
3190 // find entry point to call | |
3191 // | |
3192 | |
3193 // compute start of first itableOffsetEntry (which is at end of vtable) | |
3194 const int base = instanceKlass::vtable_start_offset() * wordSize; | |
3195 Label search; | |
3196 Register Rtemp = Rflags; | |
3197 | |
727 | 3198 __ ld(RklassOop, instanceKlass::vtable_length_offset() * wordSize, Rtemp); |
0 | 3199 if (align_object_offset(1) > 1) { |
3200 __ round_to(Rtemp, align_object_offset(1)); | |
3201 } | |
3202 __ sll(Rtemp, LogBytesPerWord, Rtemp); // Rscratch *= 4; | |
3203 if (Assembler::is_simm13(base)) { | |
3204 __ add(Rtemp, base, Rtemp); | |
3205 } else { | |
3206 __ set(base, Rscratch); | |
3207 __ add(Rscratch, Rtemp, Rtemp); | |
3208 } | |
3209 __ add(RklassOop, Rtemp, Rscratch); | |
3210 | |
3211 __ bind(search); | |
3212 | |
3213 __ ld_ptr(Rscratch, itableOffsetEntry::interface_offset_in_bytes(), Rtemp); | |
3214 { | |
3215 Label ok; | |
3216 | |
3217 // Check that entry is non-null. Null entries are probably a bytecode | |
605 | 3218 // problem. If the interface isn't implemented by the receiver class, |
0 | 3219 // the VM should throw IncompatibleClassChangeError. linkResolver checks |
3220 // this too but that's only if the entry isn't already resolved, so we | |
3221 // need to check again. | |
3222 __ br_notnull( Rtemp, false, Assembler::pt, ok); | |
3223 __ delayed()->nop(); | |
3224 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_IncompatibleClassChangeError)); | |
3225 __ should_not_reach_here(); | |
3226 __ bind(ok); | |
3227 __ verify_oop(Rtemp); | |
3228 } | |
3229 | |
3230 __ verify_oop(Rinterface); | |
3231 | |
3232 __ cmp(Rinterface, Rtemp); | |
3233 __ brx(Assembler::notEqual, true, Assembler::pn, search); | |
3234 __ delayed()->add(Rscratch, itableOffsetEntry::size() * wordSize, Rscratch); | |
3235 | |
3236 // entry found and Rscratch points to it | |
3237 __ ld(Rscratch, itableOffsetEntry::offset_offset_in_bytes(), Rscratch); | |
3238 | |
3239 assert(itableMethodEntry::method_offset_in_bytes() == 0, "adjust instruction below"); | |
3240 __ sll(Rindex, exact_log2(itableMethodEntry::size() * wordSize), Rindex); // Rindex *= 8; | |
3241 __ add(Rscratch, Rindex, Rscratch); | |
3242 __ ld_ptr(RklassOop, Rscratch, G5_method); | |
3243 | |
3244 // Check for abstract method error. | |
3245 { | |
3246 Label ok; | |
3247 __ tst(G5_method); | |
3248 __ brx(Assembler::notZero, false, Assembler::pt, ok); | |
3249 __ delayed()->nop(); | |
3250 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError)); | |
3251 __ should_not_reach_here(); | |
3252 __ bind(ok); | |
3253 } | |
3254 | |
3255 Register Rcall = Rinterface; | |
3256 assert_different_registers(Rcall, G5_method, Gargs, Rret); | |
3257 | |
3258 __ verify_oop(G5_method); | |
3259 __ call_from_interpreter(Rcall, Gargs, Rret); | |
3260 | |
3261 } | |
3262 | |
3263 | |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3264 void TemplateTable::invokedynamic(int byte_no) { |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3265 transition(vtos, vtos); |
1565 | 3266 assert(byte_no == f1_oop, "use this argument"); |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3267 |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3268 if (!EnableInvokeDynamic) { |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3269 // We should not encounter this bytecode if !EnableInvokeDynamic. |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3270 // The verifier will stop it. However, if we get past the verifier, |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3271 // this will stop the thread in a reasonable way, without crashing the JVM. |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3272 __ call_VM(noreg, CAST_FROM_FN_PTR(address, |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3273 InterpreterRuntime::throw_IncompatibleClassChangeError)); |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3274 // the call_VM checks for exception, so we should never return here. |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3275 __ should_not_reach_here(); |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3276 return; |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3277 } |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3278 |
1503 | 3279 // G5: CallSite object (f1) |
3280 // XX: unused (f2) | |
3281 // XX: flags (unused) | |
3282 | |
3283 Register G5_callsite = G5_method; | |
3284 Register Rscratch = G3_scratch; | |
3285 Register Rtemp = G1_scratch; | |
3286 Register Rret = Lscratch; | |
3287 | |
1565 | 3288 load_invoke_cp_cache_entry(byte_no, G5_callsite, noreg, Rret, |
3289 /*virtual*/ false, /*vfinal*/ false, /*indy*/ true); | |
1503 | 3290 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
3291 | |
3292 __ verify_oop(G5_callsite); | |
3293 | |
3294 // profile this call | |
3295 __ profile_call(O4); | |
3296 | |
3297 // get return address | |
3298 AddressLiteral table(Interpreter::return_5_addrs_by_index_table()); | |
3299 __ set(table, Rtemp); | |
3300 __ srl(Rret, ConstantPoolCacheEntry::tosBits, Rret); // get return type | |
3301 // Make sure we don't need to mask Rret for tosBits after the above shift | |
3302 ConstantPoolCacheEntry::verify_tosBits(); | |
3303 __ sll(Rret, LogBytesPerWord, Rret); | |
3304 __ ld_ptr(Rtemp, Rret, Rret); // get return address | |
3305 | |
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
2131
diff
changeset
|
3306 __ load_heap_oop(G5_callsite, __ delayed_value(java_lang_invoke_CallSite::target_offset_in_bytes, Rscratch), G3_method_handle); |
1503 | 3307 __ null_check(G3_method_handle); |
3308 | |
3309 // Adjust Rret first so Llast_SP can be same as Rret | |
3310 __ add(Rret, -frame::pc_return_offset, O7); | |
3311 __ add(Lesp, BytesPerWord, Gargs); // setup parameter pointer | |
3312 __ jump_to_method_handle_entry(G3_method_handle, Rtemp, /* emit_delayed_nop */ false); | |
3313 // Record SP so we can remove any stack space allocated by adapter transition | |
3314 __ delayed()->mov(SP, Llast_SP); | |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3315 } |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3316 |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3317 |
0 | 3318 //---------------------------------------------------------------------------------------------------- |
3319 // Allocation | |
3320 | |
3321 void TemplateTable::_new() { | |
3322 transition(vtos, atos); | |
3323 | |
3324 Label slow_case; | |
3325 Label done; | |
3326 Label initialize_header; | |
3327 Label initialize_object; // including clearing the fields | |
3328 | |
3329 Register RallocatedObject = Otos_i; | |
3330 Register RinstanceKlass = O1; | |
3331 Register Roffset = O3; | |
3332 Register Rscratch = O4; | |
3333 | |
3334 __ get_2_byte_integer_at_bcp(1, Rscratch, Roffset, InterpreterMacroAssembler::Unsigned); | |
3335 __ get_cpool_and_tags(Rscratch, G3_scratch); | |
3336 // make sure the class we're about to instantiate has been resolved | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1602
diff
changeset
|
3337 // This is done before loading instanceKlass to be consistent with the order |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1602
diff
changeset
|
3338 // how Constant Pool is updated (see constantPoolOopDesc::klass_at_put) |
0 | 3339 __ add(G3_scratch, typeArrayOopDesc::header_size(T_BYTE) * wordSize, G3_scratch); |
3340 __ ldub(G3_scratch, Roffset, G3_scratch); | |
3341 __ cmp(G3_scratch, JVM_CONSTANT_Class); | |
3342 __ br(Assembler::notEqual, false, Assembler::pn, slow_case); | |
3343 __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1602
diff
changeset
|
3344 // get instanceKlass |
0 | 3345 //__ sll(Roffset, LogBytesPerWord, Roffset); // executed in delay slot |
3346 __ add(Roffset, sizeof(constantPoolOopDesc), Roffset); | |
3347 __ ld_ptr(Rscratch, Roffset, RinstanceKlass); | |
3348 | |
3349 // make sure klass is fully initialized: | |
3350 __ ld(RinstanceKlass, instanceKlass::init_state_offset_in_bytes() + sizeof(oopDesc), G3_scratch); | |
3351 __ cmp(G3_scratch, instanceKlass::fully_initialized); | |
3352 __ br(Assembler::notEqual, false, Assembler::pn, slow_case); | |
3353 __ delayed()->ld(RinstanceKlass, Klass::layout_helper_offset_in_bytes() + sizeof(oopDesc), Roffset); | |
3354 | |
3355 // get instance_size in instanceKlass (already aligned) | |
3356 //__ ld(RinstanceKlass, Klass::layout_helper_offset_in_bytes() + sizeof(oopDesc), Roffset); | |
3357 | |
3358 // make sure klass does not have has_finalizer, or is abstract, or interface or java/lang/Class | |
3359 __ btst(Klass::_lh_instance_slow_path_bit, Roffset); | |
3360 __ br(Assembler::notZero, false, Assembler::pn, slow_case); | |
3361 __ delayed()->nop(); | |
3362 | |
3363 // allocate the instance | |
3364 // 1) Try to allocate in the TLAB | |
3365 // 2) if fail, and the TLAB is not full enough to discard, allocate in the shared Eden | |
3366 // 3) if the above fails (or is not applicable), go to a slow case | |
3367 // (creates a new TLAB, etc.) | |
3368 | |
3369 const bool allow_shared_alloc = | |
3370 Universe::heap()->supports_inline_contig_alloc() && !CMSIncrementalMode; | |
3371 | |
3372 if(UseTLAB) { | |
3373 Register RoldTopValue = RallocatedObject; | |
3374 Register RtopAddr = G3_scratch, RtlabWasteLimitValue = G3_scratch; | |
3375 Register RnewTopValue = G1_scratch; | |
3376 Register RendValue = Rscratch; | |
3377 Register RfreeValue = RnewTopValue; | |
3378 | |
3379 // check if we can allocate in the TLAB | |
3380 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_top_offset()), RoldTopValue); // sets up RalocatedObject | |
3381 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_end_offset()), RendValue); | |
3382 __ add(RoldTopValue, Roffset, RnewTopValue); | |
3383 | |
3384 // if there is enough space, we do not CAS and do not clear | |
3385 __ cmp(RnewTopValue, RendValue); | |
3386 if(ZeroTLAB) { | |
3387 // the fields have already been cleared | |
3388 __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_header); | |
3389 } else { | |
3390 // initialize both the header and fields | |
3391 __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_object); | |
3392 } | |
3393 __ delayed()->st_ptr(RnewTopValue, G2_thread, in_bytes(JavaThread::tlab_top_offset())); | |
3394 | |
3395 if (allow_shared_alloc) { | |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3396 // Check if tlab should be discarded (refill_waste_limit >= free) |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3397 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), RtlabWasteLimitValue); |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3398 __ sub(RendValue, RoldTopValue, RfreeValue); |
0 | 3399 #ifdef _LP64 |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3400 __ srlx(RfreeValue, LogHeapWordSize, RfreeValue); |
0 | 3401 #else |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3402 __ srl(RfreeValue, LogHeapWordSize, RfreeValue); |
0 | 3403 #endif |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3404 __ cmp(RtlabWasteLimitValue, RfreeValue); |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3405 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, slow_case); // tlab waste is small |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3406 __ delayed()->nop(); |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3407 |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3408 // increment waste limit to prevent getting stuck on this slow path |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3409 __ add(RtlabWasteLimitValue, ThreadLocalAllocBuffer::refill_waste_limit_increment(), RtlabWasteLimitValue); |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3410 __ st_ptr(RtlabWasteLimitValue, G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset())); |
0 | 3411 } else { |
3412 // No allocation in the shared eden. | |
3413 __ br(Assembler::always, false, Assembler::pt, slow_case); | |
3414 __ delayed()->nop(); | |
3415 } | |
3416 } | |
3417 | |
3418 // Allocation in the shared Eden | |
3419 if (allow_shared_alloc) { | |
3420 Register RoldTopValue = G1_scratch; | |
3421 Register RtopAddr = G3_scratch; | |
3422 Register RnewTopValue = RallocatedObject; | |
3423 Register RendValue = Rscratch; | |
3424 | |
3425 __ set((intptr_t)Universe::heap()->top_addr(), RtopAddr); | |
3426 | |
3427 Label retry; | |
3428 __ bind(retry); | |
3429 __ set((intptr_t)Universe::heap()->end_addr(), RendValue); | |
3430 __ ld_ptr(RendValue, 0, RendValue); | |
3431 __ ld_ptr(RtopAddr, 0, RoldTopValue); | |
3432 __ add(RoldTopValue, Roffset, RnewTopValue); | |
3433 | |
3434 // RnewTopValue contains the top address after the new object | |
3435 // has been allocated. | |
3436 __ cmp(RnewTopValue, RendValue); | |
3437 __ brx(Assembler::greaterUnsigned, false, Assembler::pn, slow_case); | |
3438 __ delayed()->nop(); | |
3439 | |
3440 __ casx_under_lock(RtopAddr, RoldTopValue, RnewTopValue, | |
3441 VM_Version::v9_instructions_work() ? NULL : | |
3442 (address)StubRoutines::Sparc::atomic_memory_operation_lock_addr()); | |
3443 | |
3444 // if someone beat us on the allocation, try again, otherwise continue | |
3445 __ cmp(RoldTopValue, RnewTopValue); | |
3446 __ brx(Assembler::notEqual, false, Assembler::pn, retry); | |
3447 __ delayed()->nop(); | |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3448 |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3449 // bump total bytes allocated by this thread |
2127
5577848f5923
7011463: Sparc MacroAssembler::incr_allocated_bytes() needs a RegisterOrConstant argument
phh
parents:
2100
diff
changeset
|
3450 // RoldTopValue and RtopAddr are dead, so can use G1 and G3 |
5577848f5923
7011463: Sparc MacroAssembler::incr_allocated_bytes() needs a RegisterOrConstant argument
phh
parents:
2100
diff
changeset
|
3451 __ incr_allocated_bytes(Roffset, G1_scratch, G3_scratch); |
0 | 3452 } |
3453 | |
3454 if (UseTLAB || Universe::heap()->supports_inline_contig_alloc()) { | |
3455 // clear object fields | |
3456 __ bind(initialize_object); | |
3457 __ deccc(Roffset, sizeof(oopDesc)); | |
3458 __ br(Assembler::zero, false, Assembler::pt, initialize_header); | |
3459 __ delayed()->add(RallocatedObject, sizeof(oopDesc), G3_scratch); | |
3460 | |
3461 // initialize remaining object fields | |
3462 { Label loop; | |
3463 __ subcc(Roffset, wordSize, Roffset); | |
3464 __ bind(loop); | |
3465 //__ subcc(Roffset, wordSize, Roffset); // executed above loop or in delay slot | |
3466 __ st_ptr(G0, G3_scratch, Roffset); | |
3467 __ br(Assembler::notEqual, false, Assembler::pt, loop); | |
3468 __ delayed()->subcc(Roffset, wordSize, Roffset); | |
3469 } | |
3470 __ br(Assembler::always, false, Assembler::pt, initialize_header); | |
3471 __ delayed()->nop(); | |
3472 } | |
3473 | |
3474 // slow case | |
3475 __ bind(slow_case); | |
3476 __ get_2_byte_integer_at_bcp(1, G3_scratch, O2, InterpreterMacroAssembler::Unsigned); | |
3477 __ get_constant_pool(O1); | |
3478 | |
3479 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::_new), O1, O2); | |
3480 | |
3481 __ ba(false, done); | |
3482 __ delayed()->nop(); | |
3483 | |
3484 // Initialize the header: mark, klass | |
3485 __ bind(initialize_header); | |
3486 | |
3487 if (UseBiasedLocking) { | |
3488 __ ld_ptr(RinstanceKlass, Klass::prototype_header_offset_in_bytes() + sizeof(oopDesc), G4_scratch); | |
3489 } else { | |
3490 __ set((intptr_t)markOopDesc::prototype(), G4_scratch); | |
3491 } | |
3492 __ st_ptr(G4_scratch, RallocatedObject, oopDesc::mark_offset_in_bytes()); // mark | |
167
feeb96a45707
6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC
coleenp
parents:
113
diff
changeset
|
3493 __ store_klass_gap(G0, RallocatedObject); // klass gap if compressed |
feeb96a45707
6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC
coleenp
parents:
113
diff
changeset
|
3494 __ store_klass(RinstanceKlass, RallocatedObject); // klass (last for cms) |
0 | 3495 |
3496 { | |
3497 SkipIfEqual skip_if( | |
3498 _masm, G4_scratch, &DTraceAllocProbes, Assembler::zero); | |
3499 // Trigger dtrace event | |
3500 __ push(atos); | |
3501 __ call_VM_leaf(noreg, | |
3502 CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_object_alloc), O0); | |
3503 __ pop(atos); | |
3504 } | |
3505 | |
3506 // continue | |
3507 __ bind(done); | |
3508 } | |
3509 | |
3510 | |
3511 | |
3512 void TemplateTable::newarray() { | |
3513 transition(itos, atos); | |
3514 __ ldub(Lbcp, 1, O1); | |
3515 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::newarray), O1, Otos_i); | |
3516 } | |
3517 | |
3518 | |
3519 void TemplateTable::anewarray() { | |
3520 transition(itos, atos); | |
3521 __ get_constant_pool(O1); | |
3522 __ get_2_byte_integer_at_bcp(1, G4_scratch, O2, InterpreterMacroAssembler::Unsigned); | |
3523 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::anewarray), O1, O2, Otos_i); | |
3524 } | |
3525 | |
3526 | |
3527 void TemplateTable::arraylength() { | |
3528 transition(atos, itos); | |
3529 Label ok; | |
3530 __ verify_oop(Otos_i); | |
3531 __ tst(Otos_i); | |
3532 __ throw_if_not_1_x( Assembler::notZero, ok ); | |
3533 __ delayed()->ld(Otos_i, arrayOopDesc::length_offset_in_bytes(), Otos_i); | |
3534 __ throw_if_not_2( Interpreter::_throw_NullPointerException_entry, G3_scratch, ok); | |
3535 } | |
3536 | |
3537 | |
3538 void TemplateTable::checkcast() { | |
3539 transition(atos, atos); | |
3540 Label done, is_null, quicked, cast_ok, resolved; | |
3541 Register Roffset = G1_scratch; | |
3542 Register RobjKlass = O5; | |
3543 Register RspecifiedKlass = O4; | |
3544 | |
3545 // Check for casting a NULL | |
3546 __ br_null(Otos_i, false, Assembler::pn, is_null); | |
3547 __ delayed()->nop(); | |
3548 | |
3549 // Get value klass in RobjKlass | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3550 __ load_klass(Otos_i, RobjKlass); // get value klass |
0 | 3551 |
3552 // Get constant pool tag | |
3553 __ get_2_byte_integer_at_bcp(1, Lscratch, Roffset, InterpreterMacroAssembler::Unsigned); | |
3554 | |
3555 // See if the checkcast has been quickened | |
3556 __ get_cpool_and_tags(Lscratch, G3_scratch); | |
3557 __ add(G3_scratch, typeArrayOopDesc::header_size(T_BYTE) * wordSize, G3_scratch); | |
3558 __ ldub(G3_scratch, Roffset, G3_scratch); | |
3559 __ cmp(G3_scratch, JVM_CONSTANT_Class); | |
3560 __ br(Assembler::equal, true, Assembler::pt, quicked); | |
3561 __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); | |
3562 | |
3563 __ push_ptr(); // save receiver for result, and for GC | |
3564 call_VM(RspecifiedKlass, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); | |
3565 __ pop_ptr(Otos_i, G3_scratch); // restore receiver | |
3566 | |
3567 __ br(Assembler::always, false, Assembler::pt, resolved); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3568 __ delayed()->nop(); |
0 | 3569 |
3570 // Extract target class from constant pool | |
3571 __ bind(quicked); | |
3572 __ add(Roffset, sizeof(constantPoolOopDesc), Roffset); | |
3573 __ ld_ptr(Lscratch, Roffset, RspecifiedKlass); | |
3574 __ bind(resolved); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3575 __ load_klass(Otos_i, RobjKlass); // get value klass |
0 | 3576 |
3577 // Generate a fast subtype check. Branch to cast_ok if no | |
3578 // failure. Throw exception if failure. | |
3579 __ gen_subtype_check( RobjKlass, RspecifiedKlass, G3_scratch, G4_scratch, G1_scratch, cast_ok ); | |
3580 | |
3581 // Not a subtype; so must throw exception | |
3582 __ throw_if_not_x( Assembler::never, Interpreter::_throw_ClassCastException_entry, G3_scratch ); | |
3583 | |
3584 __ bind(cast_ok); | |
3585 | |
3586 if (ProfileInterpreter) { | |
3587 __ ba(false, done); | |
3588 __ delayed()->nop(); | |
3589 } | |
3590 __ bind(is_null); | |
3591 __ profile_null_seen(G3_scratch); | |
3592 __ bind(done); | |
3593 } | |
3594 | |
3595 | |
3596 void TemplateTable::instanceof() { | |
3597 Label done, is_null, quicked, resolved; | |
3598 transition(atos, itos); | |
3599 Register Roffset = G1_scratch; | |
3600 Register RobjKlass = O5; | |
3601 Register RspecifiedKlass = O4; | |
3602 | |
3603 // Check for casting a NULL | |
3604 __ br_null(Otos_i, false, Assembler::pt, is_null); | |
3605 __ delayed()->nop(); | |
3606 | |
3607 // Get value klass in RobjKlass | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3608 __ load_klass(Otos_i, RobjKlass); // get value klass |
0 | 3609 |
3610 // Get constant pool tag | |
3611 __ get_2_byte_integer_at_bcp(1, Lscratch, Roffset, InterpreterMacroAssembler::Unsigned); | |
3612 | |
3613 // See if the checkcast has been quickened | |
3614 __ get_cpool_and_tags(Lscratch, G3_scratch); | |
3615 __ add(G3_scratch, typeArrayOopDesc::header_size(T_BYTE) * wordSize, G3_scratch); | |
3616 __ ldub(G3_scratch, Roffset, G3_scratch); | |
3617 __ cmp(G3_scratch, JVM_CONSTANT_Class); | |
3618 __ br(Assembler::equal, true, Assembler::pt, quicked); | |
3619 __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); | |
3620 | |
3621 __ push_ptr(); // save receiver for result, and for GC | |
3622 call_VM(RspecifiedKlass, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); | |
3623 __ pop_ptr(Otos_i, G3_scratch); // restore receiver | |
3624 | |
3625 __ br(Assembler::always, false, Assembler::pt, resolved); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3626 __ delayed()->nop(); |
0 | 3627 |
3628 | |
3629 // Extract target class from constant pool | |
3630 __ bind(quicked); | |
3631 __ add(Roffset, sizeof(constantPoolOopDesc), Roffset); | |
3632 __ get_constant_pool(Lscratch); | |
3633 __ ld_ptr(Lscratch, Roffset, RspecifiedKlass); | |
3634 __ bind(resolved); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3635 __ load_klass(Otos_i, RobjKlass); // get value klass |
0 | 3636 |
3637 // Generate a fast subtype check. Branch to cast_ok if no | |
3638 // failure. Return 0 if failure. | |
3639 __ or3(G0, 1, Otos_i); // set result assuming quick tests succeed | |
3640 __ gen_subtype_check( RobjKlass, RspecifiedKlass, G3_scratch, G4_scratch, G1_scratch, done ); | |
3641 // Not a subtype; return 0; | |
3642 __ clr( Otos_i ); | |
3643 | |
3644 if (ProfileInterpreter) { | |
3645 __ ba(false, done); | |
3646 __ delayed()->nop(); | |
3647 } | |
3648 __ bind(is_null); | |
3649 __ profile_null_seen(G3_scratch); | |
3650 __ bind(done); | |
3651 } | |
3652 | |
3653 void TemplateTable::_breakpoint() { | |
3654 | |
3655 // Note: We get here even if we are single stepping.. | |
3656 // jbug inists on setting breakpoints at every bytecode | |
3657 // even if we are in single step mode. | |
3658 | |
3659 transition(vtos, vtos); | |
3660 // get the unpatched byte code | |
3661 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::get_original_bytecode_at), Lmethod, Lbcp); | |
3662 __ mov(O0, Lbyte_code); | |
3663 | |
3664 // post the breakpoint event | |
3665 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::_breakpoint), Lmethod, Lbcp); | |
3666 | |
3667 // complete the execution of original bytecode | |
3668 __ dispatch_normal(vtos); | |
3669 } | |
3670 | |
3671 | |
3672 //---------------------------------------------------------------------------------------------------- | |
3673 // Exceptions | |
3674 | |
3675 void TemplateTable::athrow() { | |
3676 transition(atos, vtos); | |
3677 | |
3678 // This works because exception is cached in Otos_i which is same as O0, | |
3679 // which is same as what throw_exception_entry_expects | |
3680 assert(Otos_i == Oexception, "see explanation above"); | |
3681 | |
3682 __ verify_oop(Otos_i); | |
3683 __ null_check(Otos_i); | |
3684 __ throw_if_not_x(Assembler::never, Interpreter::throw_exception_entry(), G3_scratch); | |
3685 } | |
3686 | |
3687 | |
3688 //---------------------------------------------------------------------------------------------------- | |
3689 // Synchronization | |
3690 | |
3691 | |
3692 // See frame_sparc.hpp for monitor block layout. | |
3693 // Monitor elements are dynamically allocated by growing stack as needed. | |
3694 | |
3695 void TemplateTable::monitorenter() { | |
3696 transition(atos, vtos); | |
3697 __ verify_oop(Otos_i); | |
3698 // Try to acquire a lock on the object | |
3699 // Repeat until succeeded (i.e., until | |
3700 // monitorenter returns true). | |
3701 | |
3702 { Label ok; | |
3703 __ tst(Otos_i); | |
3704 __ throw_if_not_1_x( Assembler::notZero, ok); | |
3705 __ delayed()->mov(Otos_i, Lscratch); // save obj | |
3706 __ throw_if_not_2( Interpreter::_throw_NullPointerException_entry, G3_scratch, ok); | |
3707 } | |
3708 | |
3709 assert(O0 == Otos_i, "Be sure where the object to lock is"); | |
3710 | |
3711 // find a free slot in the monitor block | |
3712 | |
3713 | |
3714 // initialize entry pointer | |
3715 __ clr(O1); // points to free slot or NULL | |
3716 | |
3717 { | |
3718 Label entry, loop, exit; | |
3719 __ add( __ top_most_monitor(), O2 ); // last one to check | |
3720 __ ba( false, entry ); | |
3721 __ delayed()->mov( Lmonitors, O3 ); // first one to check | |
3722 | |
3723 | |
3724 __ bind( loop ); | |
3725 | |
3726 __ verify_oop(O4); // verify each monitor's oop | |
3727 __ tst(O4); // is this entry unused? | |
3728 if (VM_Version::v9_instructions_work()) | |
3729 __ movcc( Assembler::zero, false, Assembler::ptr_cc, O3, O1); | |
3730 else { | |
3731 Label L; | |
3732 __ br( Assembler::zero, true, Assembler::pn, L ); | |
3733 __ delayed()->mov(O3, O1); // rememeber this one if match | |
3734 __ bind(L); | |
3735 } | |
3736 | |
3737 __ cmp(O4, O0); // check if current entry is for same object | |
3738 __ brx( Assembler::equal, false, Assembler::pn, exit ); | |
3739 __ delayed()->inc( O3, frame::interpreter_frame_monitor_size() * wordSize ); // check next one | |
3740 | |
3741 __ bind( entry ); | |
3742 | |
3743 __ cmp( O3, O2 ); | |
3744 __ brx( Assembler::lessEqualUnsigned, true, Assembler::pt, loop ); | |
3745 __ delayed()->ld_ptr(O3, BasicObjectLock::obj_offset_in_bytes(), O4); | |
3746 | |
3747 __ bind( exit ); | |
3748 } | |
3749 | |
3750 { Label allocated; | |
3751 | |
3752 // found free slot? | |
3753 __ br_notnull(O1, false, Assembler::pn, allocated); | |
3754 __ delayed()->nop(); | |
3755 | |
3756 __ add_monitor_to_stack( false, O2, O3 ); | |
3757 __ mov(Lmonitors, O1); | |
3758 | |
3759 __ bind(allocated); | |
3760 } | |
3761 | |
3762 // Increment bcp to point to the next bytecode, so exception handling for async. exceptions work correctly. | |
3763 // The object has already been poped from the stack, so the expression stack looks correct. | |
3764 __ inc(Lbcp); | |
3765 | |
3766 __ st_ptr(O0, O1, BasicObjectLock::obj_offset_in_bytes()); // store object | |
3767 __ lock_object(O1, O0); | |
3768 | |
3769 // check if there's enough space on the stack for the monitors after locking | |
3770 __ generate_stack_overflow_check(0); | |
3771 | |
3772 // The bcp has already been incremented. Just need to dispatch to next instruction. | |
3773 __ dispatch_next(vtos); | |
3774 } | |
3775 | |
3776 | |
3777 void TemplateTable::monitorexit() { | |
3778 transition(atos, vtos); | |
3779 __ verify_oop(Otos_i); | |
3780 __ tst(Otos_i); | |
3781 __ throw_if_not_x( Assembler::notZero, Interpreter::_throw_NullPointerException_entry, G3_scratch ); | |
3782 | |
3783 assert(O0 == Otos_i, "just checking"); | |
3784 | |
3785 { Label entry, loop, found; | |
3786 __ add( __ top_most_monitor(), O2 ); // last one to check | |
3787 __ ba(false, entry ); | |
3788 // use Lscratch to hold monitor elem to check, start with most recent monitor, | |
3789 // By using a local it survives the call to the C routine. | |
3790 __ delayed()->mov( Lmonitors, Lscratch ); | |
3791 | |
3792 __ bind( loop ); | |
3793 | |
3794 __ verify_oop(O4); // verify each monitor's oop | |
3795 __ cmp(O4, O0); // check if current entry is for desired object | |
3796 __ brx( Assembler::equal, true, Assembler::pt, found ); | |
3797 __ delayed()->mov(Lscratch, O1); // pass found entry as argument to monitorexit | |
3798 | |
3799 __ inc( Lscratch, frame::interpreter_frame_monitor_size() * wordSize ); // advance to next | |
3800 | |
3801 __ bind( entry ); | |
3802 | |
3803 __ cmp( Lscratch, O2 ); | |
3804 __ brx( Assembler::lessEqualUnsigned, true, Assembler::pt, loop ); | |
3805 __ delayed()->ld_ptr(Lscratch, BasicObjectLock::obj_offset_in_bytes(), O4); | |
3806 | |
3807 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_illegal_monitor_state_exception)); | |
3808 __ should_not_reach_here(); | |
3809 | |
3810 __ bind(found); | |
3811 } | |
3812 __ unlock_object(O1); | |
3813 } | |
3814 | |
3815 | |
3816 //---------------------------------------------------------------------------------------------------- | |
3817 // Wide instructions | |
3818 | |
3819 void TemplateTable::wide() { | |
3820 transition(vtos, vtos); | |
3821 __ ldub(Lbcp, 1, G3_scratch);// get next bc | |
3822 __ sll(G3_scratch, LogBytesPerWord, G3_scratch); | |
727 | 3823 AddressLiteral ep(Interpreter::_wentry_point); |
3824 __ set(ep, G4_scratch); | |
3825 __ ld_ptr(G4_scratch, G3_scratch, G3_scratch); | |
0 | 3826 __ jmp(G3_scratch, G0); |
3827 __ delayed()->nop(); | |
3828 // Note: the Lbcp increment step is part of the individual wide bytecode implementations | |
3829 } | |
3830 | |
3831 | |
3832 //---------------------------------------------------------------------------------------------------- | |
3833 // Multi arrays | |
3834 | |
3835 void TemplateTable::multianewarray() { | |
3836 transition(vtos, atos); | |
3837 // put ndims * wordSize into Lscratch | |
3838 __ ldub( Lbcp, 3, Lscratch); | |
1506 | 3839 __ sll( Lscratch, Interpreter::logStackElementSize, Lscratch); |
0 | 3840 // Lesp points past last_dim, so set to O1 to first_dim address |
3841 __ add( Lesp, Lscratch, O1); | |
3842 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::multianewarray), O1); | |
3843 __ add( Lesp, Lscratch, Lesp); // pop all dimensions off the stack | |
3844 } | |
3845 #endif /* !CC_INTERP */ |