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ac/nir: ignore 8/16-bit global access offset

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This was found by inspection, I'm not sure it can even happen.

No fossil-db changes.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26402>
This commit is contained in:
Rhys Perry 2023-11-29 17:10:59 +00:00 • committed by Marge Bot
parent bbb12dbbf9
commit 10ba06960f
1 changed files with 3 additions and 0 deletions
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3
src/amd/common/ac_nir_lower_global_access.c
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@ -25,6 +25,9 @@ try_extract_additions(nir_builder *b, nir_scalar scalar, uint64_t *out_const,
*out_const += nir_scalar_as_uint(src);
} else if (nir_scalar_is_alu(src) && nir_scalar_alu_op(src) == nir_op_u2u64) {
nir_scalar offset_scalar = nir_scalar_chase_alu_src(src, 0);
if (offset_scalar.def->bit_size != 32)
continue;
nir_def *offset = nir_channel(b, offset_scalar.def, offset_scalar.comp);
if (*out_offset)
*out_offset = nir_iadd(b, *out_offset, offset);