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Re: [Qemu-devel] Re: Compile files only once: some planning


From: Richard Henderson
Subject: Re: [Qemu-devel] Re: Compile files only once: some planning
Date: Wed, 24 Mar 2010 04:19:08 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.8) Gecko/20100301 Fedora/3.0.3-1.fc12 Thunderbird/3.0.3

On 03/24/2010 02:47 AM, Paolo Bonzini wrote:
1) make CPUState define only common fields. Include CPUState at the
beginning of each per-target CPUXYZState.

Irritatingly, the common fields contain quite big TLBs.  And the
offsets from the start of env affect the compactness of the code
generated from TCG.  We really really want the general registers
to come first to make sure that those offsets fit the host's
reg+offset addressing mode.


r~




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