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JDK-8004835 : Improve AES intrinsics on x86

Details
Type:
Enhancement
Submit Date:
2012-12-11
Status:
Resolved
Updated Date:
2013-06-26
Project Name:
JDK
Resolved Date:
2012-12-20
Component:
hotspot
OS:
Sub-Component:
compiler
CPU:
x86
Priority:
P3
Resolution:
Fixed
Affected Versions:
Fixed Versions:
hs25 (b14)

Related Reports
Backport:
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Backport:
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Relates:

Sub Tasks

Description
1. Allow to run AES intrinsics on non-AVX cpus because pshufb instructions references only aligned memory "key_shuffle_mask".

2. Group together aes instructions in encryptBlock/decryptBlock stubs: pre-load keys into separate xmm registers before aes instructions.
                                    

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