184
185 if (UseAESCTRIntrinsics) {
186 warning("AES/CTR intrinsics are not available on this CPU");
187 FLAG_SET_DEFAULT(UseAESCTRIntrinsics, false);
188 }
189
190 _supports_cx8 = true;
191 _supports_atomic_getset4 = true;
192 _supports_atomic_getadd4 = true;
193 _supports_atomic_getset8 = true;
194 _supports_atomic_getadd8 = true;
195
196 // TODO-AARCH64 revise C2 flags
197
198 if (has_simd()) {
199 if (FLAG_IS_DEFAULT(UsePopCountInstruction)) {
200 FLAG_SET_DEFAULT(UsePopCountInstruction, true);
201 }
202 }
203
204 AllocatePrefetchDistance = 128;
205
206 #ifdef COMPILER2
207 FLAG_SET_DEFAULT(UseFPUForSpilling, true);
208
209 if (FLAG_IS_DEFAULT(MaxVectorSize)) {
210 // FLAG_SET_DEFAULT(MaxVectorSize, has_simd() ? 16 : 8);
211 // SIMD/NEON can use 16, but default is 8 because currently
212 // larger than 8 will disable instruction scheduling
213 FLAG_SET_DEFAULT(MaxVectorSize, 8);
214 }
215
216 if (MaxVectorSize > 16) {
217 FLAG_SET_DEFAULT(MaxVectorSize, 8);
218 }
219 #endif
220
221 if (FLAG_IS_DEFAULT(Tier4CompileThreshold)) {
222 Tier4CompileThreshold = 10000;
223 }
224 if (FLAG_IS_DEFAULT(Tier3InvocationThreshold)) {
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184
185 if (UseAESCTRIntrinsics) {
186 warning("AES/CTR intrinsics are not available on this CPU");
187 FLAG_SET_DEFAULT(UseAESCTRIntrinsics, false);
188 }
189
190 _supports_cx8 = true;
191 _supports_atomic_getset4 = true;
192 _supports_atomic_getadd4 = true;
193 _supports_atomic_getset8 = true;
194 _supports_atomic_getadd8 = true;
195
196 // TODO-AARCH64 revise C2 flags
197
198 if (has_simd()) {
199 if (FLAG_IS_DEFAULT(UsePopCountInstruction)) {
200 FLAG_SET_DEFAULT(UsePopCountInstruction, true);
201 }
202 }
203
204 if (FLAG_IS_DEFAULT(AllocatePrefetchDistance)) {
205 AllocatePrefetchDistance = 128;
206 }
207
208 #ifdef COMPILER2
209 FLAG_SET_DEFAULT(UseFPUForSpilling, true);
210
211 if (FLAG_IS_DEFAULT(MaxVectorSize)) {
212 // FLAG_SET_DEFAULT(MaxVectorSize, has_simd() ? 16 : 8);
213 // SIMD/NEON can use 16, but default is 8 because currently
214 // larger than 8 will disable instruction scheduling
215 FLAG_SET_DEFAULT(MaxVectorSize, 8);
216 }
217
218 if (MaxVectorSize > 16) {
219 FLAG_SET_DEFAULT(MaxVectorSize, 8);
220 }
221 #endif
222
223 if (FLAG_IS_DEFAULT(Tier4CompileThreshold)) {
224 Tier4CompileThreshold = 10000;
225 }
226 if (FLAG_IS_DEFAULT(Tier3InvocationThreshold)) {
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