On Mon, Sep 10, 2012 at 06:40:09AM -0700, Richard Henderson wrote: > On Mon, 2012-09-10 at 13:56 +0200, Aurelien Jarno wrote: > > On x86, it is possible to move a constant value to memory. Add code to > > handle a constant argument to load/store ops. > > > > Signed-off-by: Aurelien Jarno <aurel...@aurel32.net> > > While useful, you'll find that most constants that want storing to > memory are not generated with store opcodes, but directly via > tcg_out_st. As happens for all register spilling, and helper calls.
It actually depends on the target. Some of them are not using that at all, some of them are using that a lot. Ideally we would need to also do that directly from TCG when storing back registers to their canonical location, but we have to find a nice clean to do it. > Reviewed-by: Richard Henderson <r...@twiddle.net> > > > r~ > > -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurel...@aurel32.net http://www.aurel32.net
