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Re: [Qemu-ppc] [Qemu-devel] [PATCH] PPC/GDB: handle read and write of fp

From: Alexander Graf
Subject: Re: [Qemu-ppc] [Qemu-devel] [PATCH] PPC/GDB: handle read and write of fpscr
Date: Tue, 19 Mar 2013 13:16:03 +0100

On 19.03.2013, at 13:13, Peter Maydell wrote:

> On 19 March 2013 12:10, Alexander Graf <address@hidden> wrote:
>> Check out helper_store_fpscr() in target-ppc/fpu_helper.c. Storing
>> fpscr has a bunch of side effects that won't happen when you just
>> set the env variable.
> Speaking of which, am I missing something, or does the code
> in machine.c do nothing to ensure that we call set_float_rounding_mode
> to set the fpu/ emulation code up with the right rounding mode
> when loading CPU state on incoming migration?

I very much doubt anyone tests migration with TCG :)


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