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aco: apply NUW to additions for scratch access

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fossil-db (navi21):
Totals from 52 (0.04% of 135636) affected shaders:
Instrs: 79036 -> 78567 (-0.59%)
CodeSize: 431188 -> 427984 (-0.74%)
Latency: 1318142 -> 1313821 (-0.33%)
InvThroughput: 293842 -> 292836 (-0.34%)
VClause: 2555 -> 2361 (-7.59%); split: -8.06%, +0.47%
Copies: 8746 -> 8767 (+0.24%); split: -0.11%, +0.35%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20117>
This commit is contained in:
Rhys Perry
2022-12-01 18:04:49 +00:00
committed by Marge Bot
parent 381de3c809
commit bd30adf89d
2 changed files with 6 additions and 1 deletions
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src/amd/compiler/aco_instruction_selection_setup.cpp
+2
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@@ -231,6 +231,8 @@ apply_nuw_to_offsets(isel_context* ctx, nir_function_impl* impl)
if (!nir_src_is_divergent(intrin->src[2]))
apply_nuw_to_ssa(ctx, intrin->src[2].ssa);
break;
case nir_intrinsic_load_scratch: apply_nuw_to_ssa(ctx, intrin->src[0].ssa); break;
case nir_intrinsic_store_scratch: apply_nuw_to_ssa(ctx, intrin->src[1].ssa); break;
default: break;
}
}