build --per_file_copt='[-_]avx\\.c$@-mavx'
build --per_file_copt='[-_]avx2\\.c$@-mavx2'
build --per_file_copt='[-_]sse\\.c$@-mssse3,-msse4'
build --per_file_copt='[-_]sse4\\.c$@-msse4'
build --per_file_copt='[-_]sse41\\.c$@-msse4.1'
build --per_file_copt='[-_]sse4_1\\.c$@-msse4.1'
build --per_file_copt='[-_]ssse3\\.c$@-mssse3'
test --test_output=errors
test --test_verbose_timeout_warnings