RFR(S) 8205398: AES-CBC decryption algorithm using AVX512 instructions

[Vladimir Kozlov]

Hi, Smita

Changes looks fine to me.

Can you run set of tests defined in 
test/hotspot/jtreg/compiler/codegen/aes/TestAESMain.java on Intel SDE to 
make sure new code produce correct result?

Thanks,
Vladimir

On 6/20/18 1:50 PM, Kamath, Smita wrote:
> Hi Vladimir,
> 
> As per “Intel Architecture Instruction Set Extensions and Future 
> Features Programming Reference”  manual [1], vector aes decrypt (vaesdec 
> and vaesdeclast) instructions will be supported in future Intel ISA. I 
> have updated AES-CBC decryption algorithm to take advantage of these 
> instructions. Shravya(cc’ed) and I are co-contributors. Shay Gueron and 
> Regev Shemy (regev.shemy at intel.com <mailto:regev.shemy at intel.com>) are 
> the authors of the algorithm.
> 
> I have tested  the algorithm with Intel SDE [2] to confirm encoding and 
> semantics are correctly implemented.
> 
> Please take a look and let me know if you have any questions or comments.
> 
> http://cr.openjdk.java.net/~vdeshpande/AES_CBC_AVX512/webrev.00/
> 
> [1] 
> https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf
> 
> [2] 
> https://software.intel.com/en-us/articles/intel-software-development-emulator 
> 
> 
> [3] https://bugs.openjdk.java.net/browse/JDK-8205398
> 
> Thanks,
> 
> Smita
>