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nir/opt_algebraic: add missing fmadz lowering for lower_fmulz_with_abs_min

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Fixes: 32e91a7467 ("nir: add new float multiply-add opcodes")
Suggested-by: Georg Lehmann <dadschoorse@gmail.com>
Acked-by: Job Noorman <jnoorman@igalia.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41723>
This commit is contained in:
Karol Herbst 2026-05-21 12:30:59 +02:00 • committed by Marge Bot
parent a5ade6f814
commit 8dc4e8094e
1 changed files with 3 additions and 1 deletions
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src/compiler/nir/nir_opt_algebraic.py
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@ -4091,7 +4091,9 @@ late_optimizations += [
(('fmulz@32', a, b),
('bcsel', ('feq', ('fmin', ('fabs', a), ('fabs', b)), 0.0), 0.0, ('fmul', a, b)), 'options->lower_fmulz_with_abs_min'),
(('ffmaz@32', a, b, c),
('bcsel', ('feq', ('fmin', ('fabs', a), ('fabs', b)), 0.0), c, ('ffma@32', a, b, c)), 'options->lower_fmulz_with_abs_min')
('bcsel', ('feq', ('fmin', ('fabs', a), ('fabs', b)), 0.0), c, ('ffma@32', a, b, c)), 'options->lower_fmulz_with_abs_min'),
(('fmadz@32', a, b, c),
('bcsel', ('feq', ('fmin', ('fabs', a), ('fabs', b)), 0.0), c, ('fmad@32', a, b, c)), 'options->lower_fmulz_with_abs_min'),
]
# mediump: If an opcode is surrounded by conversions, remove the conversions.