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Re: [Qemu-devel] [PATCH 13/13] tcg: rework TCG ops flags


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 13/13] tcg: rework TCG ops flags
Date: Thu, 27 Sep 2012 16:11:15 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1

On 09/27/2012 04:08 PM, Aurelien Jarno wrote:
>> > In which case, because the non-qemu store insns cannot raise exceptions,
>> > there ought to be exactly zero instances of TCG_OPF_SIDE_EFFECTS remaining.
>> > At which point we simply ought to remove it.
>> > 
> I don't understand, the qemu/load store still need to keep this
> TCG_OPF_SIDE_EFFECTS. Even a load to a dead output argument might 
> trigger a TLB miss exception, and thus should be fixed.

Ah, true.


r~



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