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pan/mdg: Ingest fsat_signed/fclamp_pos

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Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5102>
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Alyssa Rosenzweig 2020-05-04 16:12:41 -04:00 • committed by Marge Bot
parent 22bb5a9acb
commit 24e2e24dc0
2 changed files with 9 additions and 0 deletions
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2
src/panfrost/midgard/midgard_compile.c
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@ -770,6 +770,8 @@ emit_alu(compiler_context *ctx, nir_alu_instr *instr)
ALU_CASE(fabs, fmov);
ALU_CASE(fneg, fmov);
ALU_CASE(fsat, fmov);
ALU_CASE(fsat_signed, fmov);
ALU_CASE(fclamp_pos, fmov);
/* For size conversion, we use a move. Ideally though we would squash
* these ops together; maybe that has to happen after in NIR as part of

7
src/panfrost/midgard/midgard_nir_algebraic.py
View file

@ -45,6 +45,13 @@ algebraic_late = [
(('b32csel', a, 'b@32', 0), ('iand', a, b)),
(('b32csel', a, 0, 'b@32'), ('iand', ('inot', a), b)),
# Fuse sat_signed. This should probably be shared with Bifrost
(('~fmin', ('fmax', a, -1.0), 1.0), ('fsat_signed', a)),
(('~fmax', ('fmin', a, 1.0), -1.0), ('fsat_signed', a)),
# Fuse clamp_positive. This should probably be shared with Utgard/bifrost
(('fmax', a, 0.0), ('fclamp_pos', a)),
]