Re: [Gems-users] Unknown SPARC Instructions in OPAL

["Min Xu (Hsu)" <xu@xxxxxxxxxxx>]

Weihang Jiang wrote:

> Hi,
>    I am runing DB2 on SIMICS/GEMS. Opal printed out :###
> statici::decodeFails. line:3274. inst=0xff2c07a8
>
> 1111 1111 0010 1100:0000 0111 1010 1000
>
>   As SPARC V9 manual says, rd (bit 29 to 25) should be 0 or 1. (So
> does opal think) I am not sure why here rd is "11111", which is
> reserved.
>
>   Since you have run DB2 before, maybe you have some idea.
>
>  
It could be an extention of UltraSPARC. Check UltraSPARC manual. I have 
seen this on newer workloads too.

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