And, you got some shader-db stats: total instructions in shared programs: 6078991 -> 6073118 (-0.10%) instructions in affected programs: 402221 -> 396348 (-1.46%) helped: 1527 HURT: 0 GAINED: 8 LOST: 2
I'm not sure which commit it was that helped. I'm guessing one of our on-the-fly peepholes started working better. On Thu, Jun 25, 2015 at 12:29 PM, Connor Abbott <cwabbo...@gmail.com> wrote: > Before, we were using a hack where when we converted out of SSA, we set > a "parent_instr" field of the nir_register to indicate that the register > was actually an SSA value. But in the future, we want to handle SSA > values directly, and right now we're creating an extra nir_register for > everything, even if it's not involved in a phi node. This series removes > that hack for i965 and gets us using SSA values directly in most cases. > > The only other user of nir_convert_from_ssa() is vc4, which I believed I > changed correctly, and it doesn't seem to use > nir_register::parent_instr, based on my grepping. I tried to > compile-test it, but it assumed I was using the simulator and died, so > it would be nice to at least compile-test it. > > The changes are also available at: > > git://people.freedesktop.org/~cwabbott0/mesa i965-use-ssa > > Connor Abbott (4): > nir/from_ssa: add a flag to not convert everything to SSA > i965/fs: use SSA values directly > nir: remove nir_src_get_parent_instr() > nir: remove parent_instr from nir_register > > src/gallium/drivers/vc4/vc4_program.c | 2 +- > src/glsl/nir/nir.c | 1 - > src/glsl/nir/nir.h | 25 ++------ > src/glsl/nir/nir_from_ssa.c | 33 +++++----- > src/mesa/drivers/dri/i965/brw_fs.h | 5 ++ > src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 73 > ++++++++++++++-------- > src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 1 + > src/mesa/drivers/dri/i965/brw_nir.c | 2 +- > .../dri/i965/brw_nir_analyze_boolean_resolves.c | 12 ++-- > 9 files changed, 84 insertions(+), 70 deletions(-) > > -- > 2.4.3 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev