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src/hotspot/cpu/s390/vm_version_s390.cpp

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rev 53755 : 8218991: s390: Add intrinsic for GHASH algorithm
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 148   if (UseAES) {
 149     if (FLAG_IS_DEFAULT(UseAESIntrinsics)) {
 150       FLAG_SET_DEFAULT(UseAESIntrinsics, true);
 151     }
 152   }
 153   if (UseAESIntrinsics && !has_Crypto_AES()) {
 154     warning("AES intrinsics are not available on this CPU");
 155     FLAG_SET_DEFAULT(UseAESIntrinsics, false);
 156   }
 157   if (UseAESIntrinsics && !UseAES) {
 158     warning("AES intrinsics require UseAES flag to be enabled. Intrinsics will be disabled.");
 159     FLAG_SET_DEFAULT(UseAESIntrinsics, false);
 160   }
 161 
 162   // TODO: implement AES/CTR intrinsics
 163   if (UseAESCTRIntrinsics) {
 164     warning("AES/CTR intrinsics are not available on this CPU");
 165     FLAG_SET_DEFAULT(UseAESCTRIntrinsics, false);
 166   }
 167 
 168   // TODO: implement GHASH intrinsics
 169   if (UseGHASHIntrinsics) {


 170     warning("GHASH intrinsics are not available on this CPU");
 171     FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
 172   }
 173 
 174   if (FLAG_IS_DEFAULT(UseFMA)) {
 175     FLAG_SET_DEFAULT(UseFMA, true);
 176   }
 177 
 178   // On z/Architecture, we take UseSHA as the general switch to enable/disable the SHA intrinsics.
 179   // The specific switches UseSHAxxxIntrinsics will then be set depending on the actual
 180   // machine capabilities.
 181   // Explicitly setting them via CmdLine option takes precedence, of course.
 182   if (FLAG_IS_DEFAULT(UseSHA) && has_Crypto_SHA()) {
 183     FLAG_SET_DEFAULT(UseSHA, true);
 184   }
 185   if (UseSHA && !has_Crypto_SHA()) {
 186     warning("SHA instructions are not available on this CPU");
 187     FLAG_SET_DEFAULT(UseSHA, false);
 188   }
 189   if (UseSHA && has_Crypto_SHA1()) {




 148   if (UseAES) {
 149     if (FLAG_IS_DEFAULT(UseAESIntrinsics)) {
 150       FLAG_SET_DEFAULT(UseAESIntrinsics, true);
 151     }
 152   }
 153   if (UseAESIntrinsics && !has_Crypto_AES()) {
 154     warning("AES intrinsics are not available on this CPU");
 155     FLAG_SET_DEFAULT(UseAESIntrinsics, false);
 156   }
 157   if (UseAESIntrinsics && !UseAES) {
 158     warning("AES intrinsics require UseAES flag to be enabled. Intrinsics will be disabled.");
 159     FLAG_SET_DEFAULT(UseAESIntrinsics, false);
 160   }
 161 
 162   // TODO: implement AES/CTR intrinsics
 163   if (UseAESCTRIntrinsics) {
 164     warning("AES/CTR intrinsics are not available on this CPU");
 165     FLAG_SET_DEFAULT(UseAESCTRIntrinsics, false);
 166   }
 167 
 168   if (FLAG_IS_DEFAULT(UseGHASHIntrinsics) && has_Crypto_GHASH()) {
 169     FLAG_SET_DEFAULT(UseGHASHIntrinsics, true);
 170   }
 171   if (UseGHASHIntrinsics && !has_Crypto_GHASH()) {
 172     warning("GHASH intrinsics are not available on this CPU");
 173     FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
 174   }
 175 
 176   if (FLAG_IS_DEFAULT(UseFMA)) {
 177     FLAG_SET_DEFAULT(UseFMA, true);
 178   }
 179 
 180   // On z/Architecture, we take UseSHA as the general switch to enable/disable the SHA intrinsics.
 181   // The specific switches UseSHAxxxIntrinsics will then be set depending on the actual
 182   // machine capabilities.
 183   // Explicitly setting them via CmdLine option takes precedence, of course.
 184   if (FLAG_IS_DEFAULT(UseSHA) && has_Crypto_SHA()) {
 185     FLAG_SET_DEFAULT(UseSHA, true);
 186   }
 187   if (UseSHA && !has_Crypto_SHA()) {
 188     warning("SHA instructions are not available on this CPU");
 189     FLAG_SET_DEFAULT(UseSHA, false);
 190   }
 191   if (UseSHA && has_Crypto_SHA1()) {
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