http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61153
--- Comment #8 from ramana.radhakrishnan at arm dot com <ramana.radhakrishnan at arm dot com> --- > > How do we define "cases where we need them"? My concern is that some compiler > change might cause a suboptimal-yet-functional code to be generated, and we > wouldn't notice it. > Well, currently tests in gcc.target/arm/neon serve no functional / correctness purpose. The only thing they check is if the correct instruction is generated at O0 which is probably enough for that case. I would rather that we put in scan-assembler tests in your testsuite rather than anything else. regards Ramana