Re: [Valgrind-developers] unhandled instruction

[Julian S. <js...@ac...>]

>    On solaris I'm getting the following error when
> running an app using valgrind.

Uh, did I miss something?  You're running the 3.X line on
Solaris x86 ?

> vex x86->IR: unhandled instruction bytes: 0xF8 0x2A
> 0x7 0x8B
>
> The code that triggered this was
>                f8                 clc
>                2a 07              subb   (%edi),%al
>                8b fa              movl   %edx,%edi
>
> I looked at the vex code priv/guest-x86/toIR.c and the
> case for 0xF8 (CLC) seems to be commented out. Is
> there a reason for this ?

Yes -- that code is from the old UCode JIT.  Flag handling in
x86 vex is completely different.  I'll look into it.

J