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8172199: s390: Use same get_key_start_from_aescrypt_object implementation as PPC64

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Reviewed-by: kvn
This commit is contained in:
Martin Doerr 2017-01-03 17:17:14 +01:00
parent 0d99993d6e
commit 2e0248d2fc
1 changed files with 1 additions and 1 deletions
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hotspot/src/share/vm/opto/library_call.cpp
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@ -6335,7 +6335,7 @@ bool LibraryCallKit::inline_counterMode_AESCrypt(vmIntrinsics::ID id) {
//------------------------------get_key_start_from_aescrypt_object-----------------------
Node * LibraryCallKit::get_key_start_from_aescrypt_object(Node *aescrypt_object) {
#ifdef PPC64
#if defined(PPC64) || defined(S390)
// MixColumns for decryption can be reduced by preprocessing MixColumns with round keys.
// Intel's extention is based on this optimization and AESCrypt generates round keys by preprocessing MixColumns.
// However, ppc64 vncipher processes MixColumns and requires the same round keys with encryption.