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[Qemu-devel] [Bug 1469342] Re: qemu-i386 pentium3/athlon incorrect instr
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From: |
PeteVine |
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Subject: |
[Qemu-devel] [Bug 1469342] Re: qemu-i386 pentium3/athlon incorrect instruction set |
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Date: |
Fri, 18 Sep 2015 13:34:56 -0000 |
I'm pretty sure you're right regarding entire instruction sets - but
surely simply disabling SSE2 is possible even now? (after all pentium2
and below doesn't have it)
That could solve this problem with a simple hack like, eg. :
pentium3 = $pentium3 - SSE2
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https://bugs.launchpad.net/bugs/1469342
Title:
qemu-i386 pentium3/athlon incorrect instruction set
Status in QEMU:
Won't Fix
Bug description:
Running a binary containing a movsd instruction (SSE2) in 32-bit
qemu-i386 from 20150609 using the -cpu pentium3 switch results in
flawless execution whereas it should crash with SIGILL as P3 only had
SSE and not SSE2.
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