176 }
177
178 __ bind(done);
179
180 // Restore scratch register
181 if (tmp1 == noreg) {
182 __ pop(scratch);
183 }
184
185 BLOCK_COMMENT("} ZBarrierSetAssembler::load_at");
186 }
187
188 #ifdef ASSERT
189
190 void ZBarrierSetAssembler::store_at(MacroAssembler* masm,
191 DecoratorSet decorators,
192 BasicType type,
193 Address dst,
194 Register src,
195 Register tmp1,
196 Register tmp2) {
197 BLOCK_COMMENT("ZBarrierSetAssembler::store_at {");
198
199 // Verify oop store
200 if (is_reference_type(type)) {
201 // Note that src could be noreg, which means we
202 // are storing null and can skip verification.
203 if (src != noreg) {
204 Label done;
205 __ testptr(src, address_bad_mask_from_thread(r15_thread));
206 __ jcc(Assembler::zero, done);
207 __ stop("Verify oop store failed");
208 __ should_not_reach_here();
209 __ bind(done);
210 }
211 }
212
213 // Store value
214 BarrierSetAssembler::store_at(masm, decorators, type, dst, src, tmp1, tmp2);
215
216 BLOCK_COMMENT("} ZBarrierSetAssembler::store_at");
217 }
218
219 #endif // ASSERT
220
221 void ZBarrierSetAssembler::arraycopy_prologue(MacroAssembler* masm,
222 DecoratorSet decorators,
223 BasicType type,
224 Register src,
225 Register dst,
226 Register count) {
227 if (!ZBarrierSet::barrier_needed(decorators, type)) {
228 // Barrier not needed
229 return;
230 }
231
232 BLOCK_COMMENT("ZBarrierSetAssembler::arraycopy_prologue {");
233
234 // Save registers
|
176 }
177
178 __ bind(done);
179
180 // Restore scratch register
181 if (tmp1 == noreg) {
182 __ pop(scratch);
183 }
184
185 BLOCK_COMMENT("} ZBarrierSetAssembler::load_at");
186 }
187
188 #ifdef ASSERT
189
190 void ZBarrierSetAssembler::store_at(MacroAssembler* masm,
191 DecoratorSet decorators,
192 BasicType type,
193 Address dst,
194 Register src,
195 Register tmp1,
196 Register tmp2,
197 Register tmp3) {
198 BLOCK_COMMENT("ZBarrierSetAssembler::store_at {");
199
200 assert(type != T_INLINE_TYPE, "Not supported yet");
201 // Verify oop store
202 if (is_reference_type(type)) {
203 // Note that src could be noreg, which means we
204 // are storing null and can skip verification.
205 if (src != noreg) {
206 Label done;
207 __ testptr(src, address_bad_mask_from_thread(r15_thread));
208 __ jcc(Assembler::zero, done);
209 __ stop("Verify oop store failed");
210 __ should_not_reach_here();
211 __ bind(done);
212 }
213 }
214
215 // Store value
216 BarrierSetAssembler::store_at(masm, decorators, type, dst, src, tmp1, tmp2, tmp3);
217
218 BLOCK_COMMENT("} ZBarrierSetAssembler::store_at");
219 }
220
221 #endif // ASSERT
222
223 void ZBarrierSetAssembler::arraycopy_prologue(MacroAssembler* masm,
224 DecoratorSet decorators,
225 BasicType type,
226 Register src,
227 Register dst,
228 Register count) {
229 if (!ZBarrierSet::barrier_needed(decorators, type)) {
230 // Barrier not needed
231 return;
232 }
233
234 BLOCK_COMMENT("ZBarrierSetAssembler::arraycopy_prologue {");
235
236 // Save registers
|