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nir/opt_algebraic: move some fsat patterns next to the other fsat patterns

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I almost missed that they already exist multiple times.

No Foz-DB chagnes.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40389>
This commit is contained in:
Georg Lehmann 2026-03-13 09:57:58 +01:00 • committed by Marge Bot
parent 607f26814f
commit 98ff0a394a
1 changed files with 3 additions and 3 deletions
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6
src/compiler/nir/nir_opt_algebraic.py
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@ -1051,6 +1051,7 @@ optimizations.extend([
(('fmin(nsz)', ('fsat(nnan)', a), '#b(is_zero_to_one)'), ('fsat', ('fmin', a, b))),
(('fsat', 'a(is_a_number_ge_pos_one)'), 1.0),
(('fsat', 'a(is_not_positive)'), 0.0),
(('fsat(nsz)', 'a(is_a_number_zero_to_one)'), ('fcanonicalize', a)),
@ -1065,6 +1066,8 @@ optimizations.extend([
# This should be NaN safe since max(NaN, 0) = fsat(NaN) = 0.
(('fmax', 'a(is_le_pos_one)', 0.0), ('fsat', a), '!options->lower_fsat'),
(('fmin(nsz)', 'a(is_a_number_not_negative)', 1.0), ('fsat', a), '!options->lower_fsat'),
(('fsat', ('fmax', a, 'b(is_not_positive)')), ('fsat', a)),
(('fsat', ('fmin', 'a(is_a_number)', 'b(is_ge_pos_one)')), ('fsat', a)),
@ -1911,9 +1914,6 @@ optimizations.extend([
(('ffract', ('ffract', a)), ('ffract', a)),
(('fabs', 'a(is_not_negative)'), ('fcanonicalize', a)),
(('fabs(nsz)', 'a(is_not_positive)'), ('fneg', a)),
(('fsat', 'a(is_not_positive)'), 0.0),
(('fmin(nsz)', 'a(is_a_number_not_negative)', 1.0), ('fsat', a), '!options->lower_fsat'),
(('fneu', 'a(is_not_zero)', 0.0), True),
(('feq', 'a(is_not_zero)', 0.0), False),