wa-lang.org/wazero@v1.0.2/internal/integration_test/spectest/v2/testdata/simd_i8x16_arith2.3.wat

(memory 1) (func (result v128) (i64x2.avgr_u (v128.const i8x16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0) (v128.const i8x16 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1)))