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nir/algebraic: add 16-bit versions of a few 32-bit patterns

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Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6599>
This commit is contained in:
Marek Olšák
2020-09-01 02:30:13 -04:00
committed by Marge Bot
parent 00b28a50b2
commit a7ece63de9
1 changed files with 3 additions and 0 deletions
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src/compiler/nir/nir_opt_algebraic.py
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@@ -778,6 +778,7 @@ optimizations.extend([
(('ior', ('b2i', 'a@1'), ('b2i', 'b@1')), ('b2i', ('ior', a, b))),
(('fmul', ('b2f', 'a@1'), ('b2f', 'b@1')), ('b2f', ('iand', a, b))),
(('fsat', ('fadd', ('b2f', 'a@1'), ('b2f', 'b@1'))), ('b2f', ('ior', a, b))),
(('iand', 'a@bool16', 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),
@@ -864,6 +865,7 @@ optimizations.extend([
(('fsin', a), lowered_sincos(0.5), 'options->lower_sincos'),
(('fcos', a), lowered_sincos(0.75), 'options->lower_sincos'),
# Boolean simplifications
(('i2b16(is_used_by_if)', a), ('ine16', a, 0)),
(('i2b32(is_used_by_if)', a), ('ine32', a, 0)),
(('i2b1(is_used_by_if)', a), ('ine', a, 0)),
(('ieq', a, True), a),
@@ -905,6 +907,7 @@ optimizations.extend([
(('ushr', 'a@32', ('iand', 31, b)), ('ushr', a, b)),
# Conversions
(('i2b16', ('b2i', 'a@16')), a),
(('i2b32', ('b2i', 'a@32')), a),
(('f2i', ('ftrunc', a)), ('f2i', a)),
(('f2u', ('ftrunc', a)), ('f2u', a)),