On Mon, Feb 8, 2016 at 12:18 PM, Matt Turner <matts...@gmail.com> wrote:
> On Mon, Feb 8, 2016 at 12:01 PM, Jason Ekstrand <ja...@jlekstrand.net> > wrote: > > On Thu, Feb 4, 2016 at 5:47 PM, Matt Turner <matts...@gmail.com> wrote: > >> > >> Prevents regressions in the next commit. > >> --- > >> src/compiler/nir/nir_opt_algebraic.py | 1 + > >> 1 file changed, 1 insertion(+) > >> > >> diff --git a/src/compiler/nir/nir_opt_algebraic.py > >> b/src/compiler/nir/nir_opt_algebraic.py > >> index 60df69f..0a248a2 100644 > >> --- a/src/compiler/nir/nir_opt_algebraic.py > >> +++ b/src/compiler/nir/nir_opt_algebraic.py > >> @@ -167,6 +167,7 @@ optimizations = [ > >> (('flog2', ('fexp2', a)), a), # lg2(2^a) = a > >> (('fpow', a, b), ('fexp2', ('fmul', ('flog2', a), b)), > >> 'options->lower_fpow'), # a^b = 2^(lg2(a)*b) > >> (('fexp2', ('fmul', ('flog2', a), b)), ('fpow', a, b), > >> '!options->lower_fpow'), # 2^(lg2(a)*b) = a^b > >> + (('fexp2', ('fadd', ('fmul', ('flog2', a), b), ('fmul', ('flog2', > c), > >> d))), ('fadd', ('fpow', a, b), ('fpow', c, d))), > > > > > > I think you mean ('fmul', ('fpow', a, b), ('fpow', c, d)). You can't > pull > > an add out of an exp and get another add. > > Whoops. Yes, thank you! > With that fixed, this one gets my R-B too.
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