From: Jim Blandy <jimb@red-bean.com>
To: Guillaume POIRIER <poirierg@gmail.com>
Cc: gdb@sources.redhat.com
Subject: Re: Setting an SSE register to a certain value
Date: Wed, 28 Dec 2005 00:16:00 -0000 [thread overview]
Message-ID: <8f2776cb0512271615g54aa91a4t3bc89777105d33b7@mail.gmail.com> (raw)
In-Reply-To: <4e03026a0512270816p2ea883cfj42934c557ec7f4a5@mail.gmail.com>
On 12/27/05, Guillaume POIRIER <poirierg@gmail.com> wrote:
> I'm trying to find a solution to set an XMM register to a certain value.
>
> I've tried
> set $xmm2 = 0x000000000000000000000000FFFFFFFF
> but I get the error message: "Invalid cast."
> and I also tried:
> set $xmm2 = (unint128) 0x000000000000000000000000FFFFFFFF
> but I get the message the message "No symbol "uint128" in current context."
>
> I've googled around and dig the mailing without finding a solution to
> this problem.
If you say "print $xmm", don't you get a structure type? GDB is
complaining that it doesn't know how to convert the 128-bit constant
you wrote to the register's structure type. Try assigning to the
individual elements of one of the structure's members.
next prev parent reply other threads:[~2005-12-28 0:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-27 16:16 Guillaume POIRIER
2005-12-28 0:16 ` Jim Blandy [this message]
2005-12-28 4:22 ` Eli Zaretskii
2005-12-28 8:16 ` Guillaume POIRIER
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