176 allAllocatableAreCallerSaved = true;
177 attributesMap = RegisterAttributes.createMap(this, target.arch.getRegisters());
178 }
179
180 @Override
181 public Register[] getCallerSaveRegisters() {
182 return callerSaved;
183 }
184
185 @Override
186 public Register[] getCalleeSaveRegisters() {
187 return null;
188 }
189
190 @Override
191 public boolean areAllAllocatableRegistersCallerSaved() {
192 return allAllocatableAreCallerSaved;
193 }
194
195 @Override
196 public Register getRegisterForRole(int index) {
197 throw new UnsupportedOperationException();
198 }
199
200 @Override
201 public CallingConvention getCallingConvention(Type type, JavaType returnType, JavaType[] parameterTypes, ValueKindFactory<?> valueKindFactory) {
202 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
203 if (type == HotSpotCallingConventionType.NativeCall) {
204 return callingConvention(nativeGeneralParameterRegisters, returnType, parameterTypes, hotspotType, valueKindFactory);
205 }
206 // On x64, parameter locations are the same whether viewed
207 // from the caller or callee perspective
208 return callingConvention(javaGeneralParameterRegisters, returnType, parameterTypes, hotspotType, valueKindFactory);
209 }
210
211 @Override
212 public Register[] getCallingConventionRegisters(Type type, JavaKind kind) {
213 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
214 switch (kind) {
215 case Boolean:
216 case Byte:
217 case Short:
218 case Char:
219 case Int:
220 case Long:
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176 allAllocatableAreCallerSaved = true;
177 attributesMap = RegisterAttributes.createMap(this, target.arch.getRegisters());
178 }
179
180 @Override
181 public Register[] getCallerSaveRegisters() {
182 return callerSaved;
183 }
184
185 @Override
186 public Register[] getCalleeSaveRegisters() {
187 return null;
188 }
189
190 @Override
191 public boolean areAllAllocatableRegistersCallerSaved() {
192 return allAllocatableAreCallerSaved;
193 }
194
195 @Override
196 public CallingConvention getCallingConvention(Type type, JavaType returnType, JavaType[] parameterTypes, ValueKindFactory<?> valueKindFactory) {
197 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
198 if (type == HotSpotCallingConventionType.NativeCall) {
199 return callingConvention(nativeGeneralParameterRegisters, returnType, parameterTypes, hotspotType, valueKindFactory);
200 }
201 // On x64, parameter locations are the same whether viewed
202 // from the caller or callee perspective
203 return callingConvention(javaGeneralParameterRegisters, returnType, parameterTypes, hotspotType, valueKindFactory);
204 }
205
206 @Override
207 public Register[] getCallingConventionRegisters(Type type, JavaKind kind) {
208 HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
209 switch (kind) {
210 case Boolean:
211 case Byte:
212 case Short:
213 case Char:
214 case Int:
215 case Long:
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