On 19 December 2013 21:26, Richard Henderson <r...@twiddle.net> wrote: > On 12/19/2013 01:23 PM, Peter Maydell wrote: >> Hmm. I clearly don't entirely understand the rules here. >> The TCG README says "temporaries are only live >> in a basic block" and "After the end of a basic block, the >> content of temporaries is destroyed", which I took to >> mean that the value in the temp was dead after the >> branch, but that I could freely reuse it for something >> else afterwards as long as I wrote a new value to >> it (as we're doing here). I guess that's wrong? > > You need to re-allocate it in each basic block. > > We don't have enough tcg checking to find errors like this.
We could probably at least update the README to not be misleading :-) thanks -- PMM
