nir: use ballot_bit_size when lowering ballot_bitfield_extract

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
2018-04-13 15:05:24 +02:00
parent 4d802df3aa
commit 54937d820d
1 changed files with 1 additions and 1 deletions
@@ -359,7 +359,7 @@ lower_subgroups_intrin(nir_builder *b, nir_intrinsic_instr *intrin,
         assert(intrin->src[1].is_ssa);
         return nir_i2b(b, nir_iand(b, nir_ushr(b, int_val,
                                                   intrin->src[1].ssa),
-                                       nir_imm_int(b, 1)));
+                                       nir_imm_intN_t(b, 1, options->ballot_bit_size)));
      case nir_intrinsic_ballot_bit_count_reduce:
         return nir_bit_count(b, int_val);
      case nir_intrinsic_ballot_find_lsb: