135 const char *name = "jni_fast_GetLongField";
136 ResourceMark rm;
137 BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
138 CodeBuffer cbuf(blob);
139 MacroAssembler* masm = new MacroAssembler(&cbuf);
140 address fast_entry = __ pc();
141
142 Label label1, label2;
143
144 AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
145 __ sethi (cnt_addrlit, G3);
146 Address cnt_addr(G3, cnt_addrlit.low10());
147 __ ld (cnt_addr, G4);
148 __ andcc (G4, 1, G0);
149 __ br (Assembler::notZero, false, Assembler::pn, label1);
150 __ delayed()->srl (O2, 2, O4);
151 __ andn (O1, JNIHandles::weak_tag_mask, O1);
152 __ ld_ptr (O1, 0, O5);
153 __ add (O5, O4, O5);
154
155 #ifndef _LP64
156 assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small");
157 speculative_load_pclist[count++] = __ pc();
158 __ ld (O5, 0, G2);
159
160 speculative_load_pclist[count] = __ pc();
161 __ ld (O5, 4, O3);
162 #else
163 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
164 speculative_load_pclist[count] = __ pc();
165 __ ldx (O5, 0, O3);
166 #endif
167
168 __ ld (cnt_addr, G1);
169 __ cmp (G1, G4);
170 __ br (Assembler::notEqual, false, Assembler::pn, label2);
171 __ delayed()->mov (O7, G1);
172
173 #ifndef _LP64
174 __ mov (G2, O0);
175 __ retl ();
176 __ delayed()->mov (O3, O1);
177 #else
178 __ retl ();
179 __ delayed()->mov (O3, O0);
180 #endif
181
182 #ifndef _LP64
183 slowcase_entry_pclist[count-1] = __ pc();
184 slowcase_entry_pclist[count++] = __ pc() ;
185 #else
186 slowcase_entry_pclist[count++] = __ pc();
187 #endif
188
189 __ bind (label1);
190 __ mov (O7, G1);
191
192 address slow_case_addr = jni_GetLongField_addr();
193 __ bind (label2);
194 __ call (slow_case_addr, relocInfo::none);
195 __ delayed()->mov (G1, O7);
196
197 __ flush ();
198
199 return fast_entry;
200 }
201
202 address JNI_FastGetField::generate_fast_get_float_field0(BasicType type) {
203 const char *name;
204 switch (type) {
205 case T_FLOAT: name = "jni_fast_GetFloatField"; break;
206 case T_DOUBLE: name = "jni_fast_GetDoubleField"; break;
207 default: ShouldNotReachHere();
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135 const char *name = "jni_fast_GetLongField";
136 ResourceMark rm;
137 BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
138 CodeBuffer cbuf(blob);
139 MacroAssembler* masm = new MacroAssembler(&cbuf);
140 address fast_entry = __ pc();
141
142 Label label1, label2;
143
144 AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
145 __ sethi (cnt_addrlit, G3);
146 Address cnt_addr(G3, cnt_addrlit.low10());
147 __ ld (cnt_addr, G4);
148 __ andcc (G4, 1, G0);
149 __ br (Assembler::notZero, false, Assembler::pn, label1);
150 __ delayed()->srl (O2, 2, O4);
151 __ andn (O1, JNIHandles::weak_tag_mask, O1);
152 __ ld_ptr (O1, 0, O5);
153 __ add (O5, O4, O5);
154
155 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
156 speculative_load_pclist[count] = __ pc();
157 __ ldx (O5, 0, O3);
158
159 __ ld (cnt_addr, G1);
160 __ cmp (G1, G4);
161 __ br (Assembler::notEqual, false, Assembler::pn, label2);
162 __ delayed()->mov (O7, G1);
163
164 __ retl ();
165 __ delayed()->mov (O3, O0);
166
167 slowcase_entry_pclist[count++] = __ pc();
168
169 __ bind (label1);
170 __ mov (O7, G1);
171
172 address slow_case_addr = jni_GetLongField_addr();
173 __ bind (label2);
174 __ call (slow_case_addr, relocInfo::none);
175 __ delayed()->mov (G1, O7);
176
177 __ flush ();
178
179 return fast_entry;
180 }
181
182 address JNI_FastGetField::generate_fast_get_float_field0(BasicType type) {
183 const char *name;
184 switch (type) {
185 case T_FLOAT: name = "jni_fast_GetFloatField"; break;
186 case T_DOUBLE: name = "jni_fast_GetDoubleField"; break;
187 default: ShouldNotReachHere();
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