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From: Tom H. <th...@cy...> - 2003-08-01 09:30:39
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In message <B14C9D7F1977D111AD740060970ACBDA018934A9@warhol>
Vincent Penquerc'h <Vin...@ar...> wrote:
>> valgrind: the `impossible' happened:
>> Unhandled REPE case
>
> This is a x86 prefix which Valgrind simply doesn't support.
> It means "loop next insn". Support for it should be added to
> Valgrind for this insn. This is not a bug, just something
> which was never needed until now.
That's what the REPE (0xf3) prefix means, yes, but in this case
it isn't really a REPE prefix at all. The sequence was 0xf3 0x0f which
is an SSE instruction that valgrind 1.9.6 certainly won't handle.
Tom
--
Tom Hughes (th...@cy...)
Software Engineer, Cyberscience Corporation
http://www.cyberscience.com/
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