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Re: [RFA/i386] Prec x86 MMX 3DNow! SSE SSE2 SSE3 SSSE3 SSE4 support
- From: Hui Zhu <teawater at gmail dot com>
- To: Michael Snyder <msnyder at vmware dot com>
- Cc: Joel Brobecker <brobecker at adacore dot com>, gdb-patches ml <gdb-patches at sourceware dot org>
- Date: Mon, 29 Mar 2010 10:22:47 +0800
- Subject: Re: [RFA/i386] Prec x86 MMX 3DNow! SSE SSE2 SSE3 SSSE3 SSE4 support
- References: <daef60380912070700t70e2a9ffg652549c285809b98@mail.gmail.com> <4B26825B.7000209@vmware.com> <daef60380912141746i1325610fp1ede9eeacc28c209@mail.gmail.com> <4B2BDAEC.7090207@vmware.com> <daef60381001080807i402826d2h43aa14ab242ecf36@mail.gmail.com> <20100109122833.GB2007@adacore.com> <daef60381001101847w795c64eds8258cb4993f3c542@mail.gmail.com> <4B4BD2AE.7030405@vmware.com> <daef60381003280926g37f5b83fteec5fbbcc358af@mail.gmail.com> <4BB00522.1000603@vmware.com>
On Mon, Mar 29, 2010 at 09:40, Michael Snyder <msnyder@vmware.com> wrote:
> Hui Zhu wrote:
>>
>> Hello,
>>
>> I make a testsute for sse. ?I make it just support x86-64 target
>> because I got insn unsupport trap in a x86-32 pc. ?Maybe the CPU of
>> this pc is too old. ?:)
>>
>> And I found some bug in sse patch. ?I make a new one.
>>
>> Please help me review them. Thanks.
>
> I also got a SIGILL here:
>
> Program received signal SIGILL, Illegal instruction.
> sse_test () at
> /data/home/msnyder/cvs/localhost/src/gdb/testsuite/gdb.reverse/i386-sse-reverse.c:42^M
> 42 ? ? ? ?asm ("blendpd $1, %xmm1, %xmm0");
> (gdb) FAIL: gdb.reverse/i386-sse-reverse.exp: continue to sse_test
>
>
>
I got it in an PC too. Looks these CPUs donn't support SSE4. It
works OK in a new PC.
Do you think we need remove it?
Thanks,
Hui