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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] Shifts, ppc[64], xtensa |
Date: | Wed, 19 Sep 2012 14:21:53 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120828 Thunderbird/15.0 |
On 09/19/2012 01:05 PM, Peter Maydell wrote: > I notice tcg/README doesn't actually mention this restriction > on goto_tb, incidentally. Nor does it mention that only indicies 0 and 1 are valid. I.e. no use of goto_tb $2 for multi-way branches. > (I wonder if there are enough easily checkable and plausibly > violated constraints on generated TCG to make it worth having > a debug mode pass which checks them? "Only one goto_tb X per > TB" is an easy check...) Sure. Enabled via the existing --enable-tcg-debug I would presume. r~
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