https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115355
--- Comment #7 from Peter Bergner <bergner at gcc dot gnu.org> --- The test fails when setToIdentityBAD's index var is unsigned int. It passes when using unsigned long long, unsigned long, unsigned short and unsigned char. When using unsigned long long/unsigned long, we do no vectorize the loop. We vectorize the loop when using unsigned int/short/char. The vectorized code is a little strange, in that the smaller the integer type we use for the index var, the more code we generate. The vectorized code for unsigned char is truly huge! ...although it does seem to work correctly. I'm attaching the "unsigned char i" code gen for setToIdentityBAD for people to examine. Even though it gives "correct" results, it can't really be the code we want to generate, correct???
