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intel/nir: Lower 8-bit phis on Gen11+

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Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8872>
This commit is contained in:
Jason Ekstrand 2021-02-04 10:41:21 -06:00 • committed by Marge Bot
parent d41ac6e2ca
commit d670afa27a
1 changed files with 7 additions and 0 deletions
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7
src/intel/compiler/brw_nir.c
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@ -770,6 +770,13 @@ lower_bit_size_callback(const nir_instr *instr, UNUSED void *data)
break;
}
case nir_instr_type_phi: {
nir_phi_instr *phi = nir_instr_as_phi(instr);
if (devinfo->gen >= 11 && phi->dest.ssa.bit_size == 8)
return 16;
return 0;
}
default:
return 0;
}