Re: [Valgrind-users] Uhandled instruction 0xF2 0x4C 0xF 0x10

[Nicholas M. <nm...@gm...>]

On Sat, 30 Sep 2006 12:53:02 +0200, Christoph Bartoschek wrote:

> Am Samstag, 30. September 2006 12:49 schrieb Julian Seward:
>> On Saturday 30 September 2006 11:46, Christoph Bartoschek wrote:
>> > Hi,
>> >
>> > I get the message:
>> >
>> > vex amd64->IR: unhandled instruction bytes: 0xF2 0x4C 0xF 0x10
>> >
>> > Is this a valgrind error?
>>
>> In which version?
>>
>> J
> 
> Valgrind 3.2.1, compiled from sources. The code comes from the Intel Math 
> Kernel Library.
> 
> Christoph
> 

The instruction is incomplete, but it looks like it's a SSE2 MOVSD with
ModRM and SIB bytes (MOVSD always takes a ModRM byte, and the REX.X prefix
implies the existence of a SIB byte).