183 warning("AES intrinsics are not available on this CPU");
184 FLAG_SET_DEFAULT(UseAESIntrinsics, false);
185 }
186
187 if (UseGHASHIntrinsics) {
188 warning("GHASH intrinsics are not available on this CPU");
189 FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
190 }
191
192 if (UseSHA) {
193 warning("SHA instructions are not available on this CPU");
194 FLAG_SET_DEFAULT(UseSHA, false);
195 }
196 if (UseSHA1Intrinsics || UseSHA256Intrinsics || UseSHA512Intrinsics) {
197 warning("SHA intrinsics are not available on this CPU");
198 FLAG_SET_DEFAULT(UseSHA1Intrinsics, false);
199 FLAG_SET_DEFAULT(UseSHA256Intrinsics, false);
200 FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
201 }
202
203 if (FLAG_IS_DEFAULT(UseMultiplyToLenIntrinsic)) {
204 UseMultiplyToLenIntrinsic = true;
205 }
206
207 // Adjust RTM (Restricted Transactional Memory) flags.
208 if (!has_tcheck() && UseRTMLocking) {
209 // Can't continue because UseRTMLocking affects UseBiasedLocking flag
210 // setting during arguments processing. See use_biased_locking().
211 // VM_Version_init() is executed after UseBiasedLocking is used
212 // in Thread::allocate().
213 vm_exit_during_initialization("RTM instructions are not available on this CPU");
214 }
215
216 if (UseRTMLocking) {
217 #if INCLUDE_RTM_OPT
218 if (!UnlockExperimentalVMOptions) {
219 vm_exit_during_initialization("UseRTMLocking is only available as experimental option on this platform. "
220 "It must be enabled via -XX:+UnlockExperimentalVMOptions flag.");
221 } else {
222 warning("UseRTMLocking is only available as experimental option on this platform.");
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183 warning("AES intrinsics are not available on this CPU");
184 FLAG_SET_DEFAULT(UseAESIntrinsics, false);
185 }
186
187 if (UseGHASHIntrinsics) {
188 warning("GHASH intrinsics are not available on this CPU");
189 FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
190 }
191
192 if (UseSHA) {
193 warning("SHA instructions are not available on this CPU");
194 FLAG_SET_DEFAULT(UseSHA, false);
195 }
196 if (UseSHA1Intrinsics || UseSHA256Intrinsics || UseSHA512Intrinsics) {
197 warning("SHA intrinsics are not available on this CPU");
198 FLAG_SET_DEFAULT(UseSHA1Intrinsics, false);
199 FLAG_SET_DEFAULT(UseSHA256Intrinsics, false);
200 FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
201 }
202
203 if (UseAdler32Intrinsics) {
204 warning("Adler32Intrinsics not available on this CPU.");
205 FLAG_SET_DEFAULT(UseAdler32Intrinsics, false);
206 }
207
208 if (FLAG_IS_DEFAULT(UseMultiplyToLenIntrinsic)) {
209 UseMultiplyToLenIntrinsic = true;
210 }
211
212 // Adjust RTM (Restricted Transactional Memory) flags.
213 if (!has_tcheck() && UseRTMLocking) {
214 // Can't continue because UseRTMLocking affects UseBiasedLocking flag
215 // setting during arguments processing. See use_biased_locking().
216 // VM_Version_init() is executed after UseBiasedLocking is used
217 // in Thread::allocate().
218 vm_exit_during_initialization("RTM instructions are not available on this CPU");
219 }
220
221 if (UseRTMLocking) {
222 #if INCLUDE_RTM_OPT
223 if (!UnlockExperimentalVMOptions) {
224 vm_exit_during_initialization("UseRTMLocking is only available as experimental option on this platform. "
225 "It must be enabled via -XX:+UnlockExperimentalVMOptions flag.");
226 } else {
227 warning("UseRTMLocking is only available as experimental option on this platform.");
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