Use target-cpu=z13 on s390x codegen const vector test
The default s390x cpu(z10) does not have vector support. Setting target-cpu at least to z13 enables vectorisation for s390x architecture and makes the test pass.
The default s390x cpu(z10) does not have vector support. Setting
target-cpu at least to z13 enables vectorisation for s390x architecture
and makes the test pass.