Hi Steven, I need a separate pass because the transformation on vzeroupper redandancy elemination must be performed when reload is completed. I think it is possible to make it as a separate pass in ix86-reorg if the phase works after reload.
Thaks, Vladimir 2011/7/19 Steven Bosscher <stevenb....@gmail.com>: >> * a/gcc/gcse.c (alloc_gcse_mem): Added code to run in PRE2. > > And this is necessary because...??? > > Why not just make it a separate pass in ix86-reorg that uses LCM? Look > at mode switching for an example. > > Ciao! > Steven >
