fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-09 06:48:06 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

nir: add is_used_once for fmul(fexp2(a), fexp2(b)) to fexp2(fadd(a, b))

Browse source 
Otherwise the code size increases because the original fexp2()
instructions can't be deleted.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2018-02-05 16:07:45 +01:00
parent a01e9996b5
commit b18997876f
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/compiler/nir/nir_opt_algebraic.py
View file

@ -334,7 +334,7 @@ optimizations = [
(('~flog2', ('frcp', a)), ('fneg', ('flog2', a))),
(('~flog2', ('frsq', a)), ('fmul', -0.5, ('flog2', a))),
(('~flog2', ('fpow', a, b)), ('fmul', b, ('flog2', a))),
(('~fmul', ('fexp2', a), ('fexp2', b)), ('fexp2', ('fadd', a, b))),
(('~fmul', ('fexp2(is_used_once)', a), ('fexp2(is_used_once)', b)), ('fexp2', ('fadd', a, b))),
# Division and reciprocal
(('~fdiv', 1.0, a), ('frcp', a)),
(('fdiv', a, b), ('fmul', a, ('frcp', b)), 'options->lower_fdiv'),