Re: [Qemu-devel] [PATCH 1/9] TCG "sync" op

2009-10-19 Thread Ulrich Hecht
On Saturday 17 October 2009, Edgar E. Iglesias wrote: > I looked at the s390 patches and was also unsure about this sync op. > I'm not convinced it's bad but my first feeling was as Aurelien points > out that the translator shoud take care of it. Indeed. I would have expected it to, in fact. But i

Re: [Qemu-devel] [PATCH 1/9] TCG "sync" op

2009-10-19 Thread Ulrich Hecht
On Friday 16 October 2009, Aurelien Jarno wrote: > This example is a bit biased, as registers are only saved, and never > reused. Let's comment on it though. Yeah, well, I searched from the top for the first case where it makes a difference. If it's of any help, I can upload a complete dump of bo

Re: [Qemu-devel] [PATCH 1/9] TCG "sync" op

2009-10-17 Thread Edgar E. Iglesias
On Fri, Oct 16, 2009 at 05:52:21PM +0200, Aurelien Jarno wrote: > On Fri, Oct 16, 2009 at 02:38:47PM +0200, Ulrich Hecht wrote: > > sync allows concurrent accesses to locations in memory through different TCG > > variables. This comes in handy when you are emulating CPU registers that can > > be us