On Tuesday, October 28, 2014 12:10:11 PM Jason Ekstrand wrote: > On Oct 28, 2014 11:57 AM, "Matt Turner" <matts...@gmail.com> wrote: > > > > On Thu, Oct 16, 2014 at 3:40 PM, Jason Ekstrand <ja...@jlekstrand.net> > wrote: > > > Before, we used the a signed d-word for booleans and the immedates we > > > emitted varried between signed and unsigned. This commit changes the > type > > > to unsigned (I think that makes more sense) and makes immediates more > > > consistent. This allows copy propagation to work better cleans up some > > > instructions. > > > > > > total instructions in shared programs: 5473519 -> 5465864 (-0.14%) > > > instructions in affected programs: 432849 -> 425194 (-1.77%) > > > GAINED: 27 > > > LOST: 0 > > > > I assumed at first that this was on Haswell, but it couldn't be > > because Haswell doesn't use 0/1 for boolean. What platform was this? > > It doesn't matter what form of booleans the arch uses. I believe it was on > HSW. However, as I have mentioned in private, I've had trouble running > shaderdb and believing the results. They could be bogus but I don't think > so.
I've never had a single problem with it - the results always appeared accurate. --Ken
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