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nir/opt_algebraic: lower ninf fisfinite correctly

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Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40291>
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Georg Lehmann 2026-03-11 11:11:02 +01:00 • committed by Marge Bot
parent 87081a73c9
commit 624313d35d
1 changed files with 3 additions and 0 deletions
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src/compiler/nir/nir_opt_algebraic.py
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@ -4011,6 +4011,9 @@ late_optimizations += [
(('i2fmp', a), ('i2f16', a), "!options->preserve_mediump", TestStatus.UNSUPPORTED),
(('i2imp', a), ('u2u16', a), "!options->preserve_mediump", TestStatus.UNSUPPORTED),
(('u2fmp', a), ('u2f16', a), "!options->preserve_mediump", TestStatus.UNSUPPORTED),
# Without preserving inf, comparing against inf is undefined
(('fisfinite(ninf)', a), ('feq', a, a)),
(('fisfinite', a), ('flt', ('fabs', a), float("inf"))),
(('f2f16', a), ('f2f16_rtz', a), "options->force_f2f16_rtz && !nir_is_rounding_mode_rtne(info->float_controls_execution_mode, 16)"),