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Re: [Qemu-devel] [Bug] : write back operation in ld /st [aarch64] inst
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [Bug] : write back operation in ld /st [aarch64] inst |
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Date: |
Thu, 27 Nov 2014 13:06:15 +0000 |
On 27 November 2014 at 12:49, Gaurav Sharma <address@hidden> wrote:
> I was taking into consideration the behavior of afm, which it seems
> suppresses write back.
The Fast Models are just one implementation -- like every other
implementation, they have to choose a kind of unpredictable
behaviour in cases like these where there is a choice.
If you want to know the architecturally required behaviour
you must read the ARM ARM, not just look at what the Fast
Models or a particular hardware implementation do.
thanks
-- PMM