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nir/load_store_vectorize: Handle intrinsics with constant base

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This includes nir_load_stack and nir_store_stack, which are vectorized
in nir_lower_shader_calls. If not adjusted, we end up loading from
the wrong base.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/9596
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/9587
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24789>
(cherry picked from commit a28ff7f240)
This commit is contained in:
Friedrich Vock 2023-08-19 11:00:45 +02:00 • committed by Dylan Baker
parent 49e7dde502
commit d4c1a169ca
2 changed files with 3 additions and 1 deletions
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2
.pick_status.json
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@ -4564,7 +4564,7 @@
"description": "nir/load_store_vectorize: Handle intrinsics with constant base",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null,
"notes": null

2
src/compiler/nir/nir_opt_load_store_vectorize.c
View file

@ -752,6 +752,8 @@ vectorize_loads(nir_builder *b, struct vectorize_ctx *ctx,
nir_intrinsic_set_range_base(first->intrin, low_base);
nir_intrinsic_set_range(first->intrin, MAX2(low_end, high_end) - low_base);
} else if (nir_intrinsic_has_base(first->intrin) && info->base_src == -1 && info->deref_src == -1) {
nir_intrinsic_set_base(first->intrin, nir_intrinsic_base(low->intrin));
}
first->key = low->key;