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r300: enable nir_move_vec_src_uses_to_dest

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We want to do this in general, right now the stats are not that good but
that will be taken care of in the next commits.

RV530:
total instructions in shared programs: 93561 -> 93597 (0.04%)
instructions in affected programs: 39015 -> 39051 (0.09%)
helped: 207
HURT: 212
total temps in shared programs: 12864 -> 13019 (1.20%)
temps in affected programs: 2010 -> 2165 (7.71%)
helped: 57
HURT: 181
total cycles in shared programs: 144639 -> 144506 (-0.09%)
cycles in affected programs: 54524 -> 54391 (-0.24%)
helped: 191
HURT: 234

RV370:
total instructions in shared programs: 63692 -> 63811 (0.19%)
instructions in affected programs: 16851 -> 16970 (0.71%)
helped: 121
HURT: 141
total temps in shared programs: 9966 -> 10050 (0.84%)
temps in affected programs: 969 -> 1053 (8.67%)
helped: 33
HURT: 126
total cycles in shared programs: 101042 -> 101205 (0.16%)
cycles in affected programs: 20606 -> 20769 (0.79%)
helped: 121
HURT: 155

Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24932>
This commit is contained in:
Pavel Ondračka
2023-08-29 08:03:05 +02:00
parent 00aa8816a1
commit 8ac975fa5e
1 changed files with 1 additions and 0 deletions
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1
src/gallium/drivers/r300/compiler/nir_to_rc.c
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@@ -2451,6 +2451,7 @@ const void *nir_to_rc_options(struct nir_shader *s,
nir_move_comparisons | nir_move_copies | nir_move_load_ssbo;
NIR_PASS_V(s, nir_opt_move, move_all);
NIR_PASS_V(s, nir_move_vec_src_uses_to_dest);
NIR_PASS_V(s, nir_convert_from_ssa, true);
NIR_PASS_V(s, nir_lower_vec_to_regs, NULL, NULL);