179
180 allAllocatableAreCallerSaved = true;
181 attributesMap = RegisterAttributes.createMap(this, AArch64.allRegisters);
182 }
183
184 @Override
185 public Register[] getCallerSaveRegisters() {
186 return callerSaved;
187 }
188
189 public Register[] getCalleeSaveRegisters() {
190 return null;
191 }
192
193 @Override
194 public boolean areAllAllocatableRegistersCallerSaved() {
195 return allAllocatableAreCallerSaved;
196 }
197
198 @Override
199 public Register getRegisterForRole(int index) {
200 throw new UnsupportedOperationException();
201 }
202
203 @Override
204 public CallingConvention getCallingConvention(Type type, JavaType returnType, JavaType[] parameterTypes, ValueKindFactory<?> valueKindFactory) {
205 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
206 if (type == HotSpotCallingConventionType.NativeCall) {
207 return callingConvention(nativeGeneralParameterRegisters, returnType, parameterTypes, hotspotType, valueKindFactory);
208 }
209 // On x64, parameter locations are the same whether viewed
210 // from the caller or callee perspective
211 return callingConvention(javaGeneralParameterRegisters, returnType, parameterTypes, hotspotType, valueKindFactory);
212 }
213
214 @Override
215 public Register[] getCallingConventionRegisters(Type type, JavaKind kind) {
216 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
217 switch (kind) {
218 case Boolean:
219 case Byte:
220 case Short:
221 case Char:
222 case Int:
223 case Long:
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179
180 allAllocatableAreCallerSaved = true;
181 attributesMap = RegisterAttributes.createMap(this, AArch64.allRegisters);
182 }
183
184 @Override
185 public Register[] getCallerSaveRegisters() {
186 return callerSaved;
187 }
188
189 public Register[] getCalleeSaveRegisters() {
190 return null;
191 }
192
193 @Override
194 public boolean areAllAllocatableRegistersCallerSaved() {
195 return allAllocatableAreCallerSaved;
196 }
197
198 @Override
199 public CallingConvention getCallingConvention(Type type, JavaType returnType, JavaType[] parameterTypes, ValueKindFactory<?> valueKindFactory) {
200 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
201 if (type == HotSpotCallingConventionType.NativeCall) {
202 return callingConvention(nativeGeneralParameterRegisters, returnType, parameterTypes, hotspotType, valueKindFactory);
203 }
204 // On x64, parameter locations are the same whether viewed
205 // from the caller or callee perspective
206 return callingConvention(javaGeneralParameterRegisters, returnType, parameterTypes, hotspotType, valueKindFactory);
207 }
208
209 @Override
210 public Register[] getCallingConventionRegisters(Type type, JavaKind kind) {
211 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
212 switch (kind) {
213 case Boolean:
214 case Byte:
215 case Short:
216 case Char:
217 case Int:
218 case Long:
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