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nir/lower_bit_size: mask bitz/bitnz src1 like shifts

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Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23298>
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Georg Lehmann 2023-05-27 12:04:37 +02:00 • committed by Marge Bot
parent 481a34e82e
commit 6585209cdd
1 changed files with 4 additions and 1 deletions
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src/compiler/nir/nir_lower_bit_size.c
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@ -64,7 +64,10 @@ lower_alu_instr(nir_builder *bld, nir_alu_instr *alu, unsigned bit_size)
if (nir_alu_type_get_type_size(type) == 0) if (nir_alu_type_get_type_size(type) == 0)
src = convert_to_bit_size(bld, src, type, bit_size); src = convert_to_bit_size(bld, src, type, bit_size);
if (i == 1 && (op == nir_op_ishl || op == nir_op_ishr || op == nir_op_ushr)) { if (i == 1 && (op == nir_op_ishl || op == nir_op_ishr || op == nir_op_ushr ||
op == nir_op_bitz || op == nir_op_bitz8 || op == nir_op_bitz16 ||
op == nir_op_bitz32 || op == nir_op_bitnz || op == nir_op_bitnz8 ||
op == nir_op_bitnz16 || op == nir_op_bitnz32)) {
assert(util_is_power_of_two_nonzero(dst_bit_size)); assert(util_is_power_of_two_nonzero(dst_bit_size));
src = nir_iand(bld, src, nir_imm_int(bld, dst_bit_size - 1)); src = nir_iand(bld, src, nir_imm_int(bld, dst_bit_size - 1));
} }