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nir/algebraic: add some more unop + bcsel optimizations

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Totals from affected shaders: (VEGA)
SGPRS: 284392 -> 284400 (0.00 %)
VGPRS: 261080 -> 261076 (-0.00 %)
Spilled SGPRs: 105 -> 105 (0.00 %)
Spilled VGPRs: 0 -> 0 (0.00 %)
Private memory VGPRs: 0 -> 0 (0.00 %)
Scratch size: 0 -> 0 (0.00 %) dwords per thread
Code Size: 24698596 -> 24277788 (-1.70 %) bytes
LDS: 196 -> 196 (0.00 %) blocks
Max Waves: 10101 -> 10105 (0.04 %)

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4830>
This commit is contained in:
Daniel Schürmann
2020-04-29 18:50:27 +01:00
committed by Marge Bot
parent 2fca183910
commit 56ec814b56
1 changed files with 7 additions and 3 deletions
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10
src/compiler/nir/nir_opt_algebraic.py
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@@ -1779,10 +1779,14 @@ for op in ['fpow']:
(('bcsel', a, (op, b, c), (op + '(is_used_once)', d, c)), (op, ('bcsel', a, b, d), c)),
]
for op in ['frcp', 'frsq', 'fsqrt', 'fexp2', 'flog2', 'fsign', 'fsin', 'fcos']:
for op in ['frcp', 'frsq', 'fsqrt', 'fexp2', 'flog2', 'fsign', 'fsin', 'fcos', 'fneg', 'fabs', 'fsign']:
optimizations += [
(('bcsel', a, (op + '(is_used_once)', b), (op, c)), (op, ('bcsel', a, b, c))),
(('bcsel', a, (op, b), (op + '(is_used_once)', c)), (op, ('bcsel', a, b, c))),
(('bcsel', c, (op + '(is_used_once)', a), (op + '(is_used_once)', b)), (op, ('bcsel', c, a, b))),
]
for op in ['ineg', 'iabs', 'inot', 'isign']:
optimizations += [
((op, ('bcsel', c, '#a', '#b')), ('bcsel', c, (op, a), (op, b))),
]
# This section contains optimizations to propagate downsizing conversions of