On Mon, Oct 5, 2015 at 6:29 AM, Neil Roberts <n...@linux.intel.com> wrote: > It is possible to directly predicate the WHILE instruction. In this > case there will be a second successor block because the execution can > resume from the instruction after the loop. This will be used in a > subsequent patch. > --- > src/mesa/drivers/dri/i965/brw_cfg.cpp | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/src/mesa/drivers/dri/i965/brw_cfg.cpp > b/src/mesa/drivers/dri/i965/brw_cfg.cpp > index 91d53ef..531fa16 100644 > --- a/src/mesa/drivers/dri/i965/brw_cfg.cpp > +++ b/src/mesa/drivers/dri/i965/brw_cfg.cpp > @@ -305,6 +305,10 @@ cfg_t::cfg_t(exec_list *instructions) > > assert(cur_do != NULL && cur_while != NULL); > cur->add_successor(mem_ctx, cur_do); > + > + if (inst->predicate) > + cur->add_successor(mem_ctx, cur_while); > +
Reviewed-by: Matt Turner <matts...@gmail.com> _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
