fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-06-09 07:58:16 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

nir/opt_algebraic: make a < 0.0 ? -a : a exact using search helpers

Browse source 
Foz-DB Navi21:
Totals from 104 (0.13% of 82405) affected shaders:
Instrs: 175964 -> 175514 (-0.26%); split: -0.26%, +0.00%
CodeSize: 909008 -> 908744 (-0.03%); split: -0.05%, +0.02%
Latency: 1515203 -> 1514560 (-0.04%); split: -0.05%, +0.01%
InvThroughput: 308751 -> 308573 (-0.06%); split: -0.06%, +0.00%
Copies: 10318 -> 10315 (-0.03%); split: -0.06%, +0.03%
PreVGPRs: 5767 -> 5755 (-0.21%)
VALU: 108151 -> 107745 (-0.38%)
VOPD: 738 -> 737 (-0.14%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39641>
This commit is contained in:
Georg Lehmann 2026-02-01 17:54:26 +01:00 • committed by Marge Bot
parent 0474ad1504
commit ef7dd040d9
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

@ -2439,7 +2439,7 @@ optimizations.extend([
(('fmulz(nsz)', ('bcsel(is_used_once)', c, 1.0, -1.0), b), ('bcsel', c, ('fcanonicalize', b), ('fneg', b))),
(('fabs', ('bcsel(is_used_once)', b, ('fneg', a), a)), ('fabs', a)),
(('fabs', ('bcsel(is_used_once)', b, a, ('fneg', a))), ('fabs', a)),
(('~bcsel', ('flt', a, 0.0), ('fneg', a), a), ('fabs', a)),
(('bcsel(is_only_used_as_float_nsz)', ('flt', a, 0.0), ('fneg', a), a), ('fabs', a)),
(('bcsel', a, ('bcsel(is_used_once)', b, c, d), d), ('bcsel', ('iand', a, b), c, d)),
(('bcsel', a, ('bcsel(is_used_once)', b, d, c), d), ('bcsel', ('iand', a, ('inot', b)), c, d)),