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nir/algebraic: Make an optimization more specific

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Later in this series, bool is not going to imply 32-bit.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Jason Ekstrand 2018-12-05 21:32:11 -06:00 • committed by Jason Ekstrand
parent 517099809a
commit b569093566
1 changed files with 1 additions and 1 deletions
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src/compiler/nir/nir_opt_algebraic.py
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@ -440,7 +440,7 @@ optimizations = [
(('imul', ('b2i', 'a@32'), ('b2i', 'b@32')), ('b2i', ('iand', a, b))),
(('fmul', ('b2f', 'a@32'), ('b2f', 'b@32')), ('b2f', ('iand', a, b))),
(('fsat', ('fadd', ('b2f', 'a@32'), ('b2f', 'b@32'))), ('b2f', ('ior', a, b))),
(('iand', 'a@bool', 1.0), ('b2f', a)),
(('iand', 'a@bool32', 1.0), ('b2f', a)),
# True/False are ~0 and 0 in NIR. b2i of True is 1, and -1 is ~0 (True).
(('ineg', ('b2i32', 'a@32')), a),
(('flt', ('fneg', ('b2f', 'a@32')), 0), a), # Generated by TGSI KILL_IF.