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Re: [Qemu-devel] Get only TCG code without execution
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From: |
陳韋任 |
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Subject: |
Re: [Qemu-devel] Get only TCG code without execution |
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Date: |
Mon, 6 Feb 2012 15:25:08 +0800 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
> As x86 doesn't use or need barrier instructions, when translating x86
> to (say) run on ARM host, multi-threaded code that needs barriers
> isn't easy to detect, so barriers may be required between every memory
> access in the generated ARM code.
Sounds awful to me. Regardless current QEMU's support for multi-threaded
application, it's possible to emulate a architecture with stronger memory
model on a weaker one?
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj