136 // Explicitly setting them via CmdLine option takes precedence, of course.
137 // TODO: UseAESIntrinsics must be made keylength specific.
138 // As of March 2015 and Java8, only AES128 is supported by the Java Cryptographic Extensions.
139 // Therefore, UseAESIntrinsics is of minimal use at the moment.
140 if (FLAG_IS_DEFAULT(UseAES) && has_Crypto_AES()) {
141 FLAG_SET_DEFAULT(UseAES, true);
142 }
143 if (UseAES && !has_Crypto_AES()) {
144 warning("AES instructions are not available on this CPU");
145 FLAG_SET_DEFAULT(UseAES, false);
146 }
147 if (UseAES) {
148 if (FLAG_IS_DEFAULT(UseAESIntrinsics)) {
149 FLAG_SET_DEFAULT(UseAESIntrinsics, true);
150 }
151 }
152 if (UseAESIntrinsics && !has_Crypto_AES()) {
153 warning("AES intrinsics are not available on this CPU");
154 FLAG_SET_DEFAULT(UseAESIntrinsics, false);
155 }
156
157 // TODO: implement AES/CTR intrinsics
158 if (UseAESCTRIntrinsics) {
159 warning("AES/CTR intrinsics are not available on this CPU");
160 FLAG_SET_DEFAULT(UseAESCTRIntrinsics, false);
161 }
162
163 // TODO: implement GHASH intrinsics
164 if (UseGHASHIntrinsics) {
165 warning("GHASH intrinsics are not available on this CPU");
166 FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
167 }
168
169 if (FLAG_IS_DEFAULT(UseFMA)) {
170 FLAG_SET_DEFAULT(UseFMA, true);
171 }
172
173 // On z/Architecture, we take UseSHA as the general switch to enable/disable the SHA intrinsics.
174 // The specific switches UseSHAxxxIntrinsics will then be set depending on the actual
175 // machine capabilities.
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136 // Explicitly setting them via CmdLine option takes precedence, of course.
137 // TODO: UseAESIntrinsics must be made keylength specific.
138 // As of March 2015 and Java8, only AES128 is supported by the Java Cryptographic Extensions.
139 // Therefore, UseAESIntrinsics is of minimal use at the moment.
140 if (FLAG_IS_DEFAULT(UseAES) && has_Crypto_AES()) {
141 FLAG_SET_DEFAULT(UseAES, true);
142 }
143 if (UseAES && !has_Crypto_AES()) {
144 warning("AES instructions are not available on this CPU");
145 FLAG_SET_DEFAULT(UseAES, false);
146 }
147 if (UseAES) {
148 if (FLAG_IS_DEFAULT(UseAESIntrinsics)) {
149 FLAG_SET_DEFAULT(UseAESIntrinsics, true);
150 }
151 }
152 if (UseAESIntrinsics && !has_Crypto_AES()) {
153 warning("AES intrinsics are not available on this CPU");
154 FLAG_SET_DEFAULT(UseAESIntrinsics, false);
155 }
156 if (UseAESIntrinsics && !UseAES) {
157 warning("AES intrinsics cannot be enabled with AES instructions unavailable or disabled");
158 FLAG_SET_DEFAULT(UseAESIntrinsics, false);
159 }
160
161 // TODO: implement AES/CTR intrinsics
162 if (UseAESCTRIntrinsics) {
163 warning("AES/CTR intrinsics are not available on this CPU");
164 FLAG_SET_DEFAULT(UseAESCTRIntrinsics, false);
165 }
166
167 // TODO: implement GHASH intrinsics
168 if (UseGHASHIntrinsics) {
169 warning("GHASH intrinsics are not available on this CPU");
170 FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
171 }
172
173 if (FLAG_IS_DEFAULT(UseFMA)) {
174 FLAG_SET_DEFAULT(UseFMA, true);
175 }
176
177 // On z/Architecture, we take UseSHA as the general switch to enable/disable the SHA intrinsics.
178 // The specific switches UseSHAxxxIntrinsics will then be set depending on the actual
179 // machine capabilities.
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