https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56726
--- Comment #12 from Florian Weimer <fweimer at redhat dot com> --- (In reply to Chip Salzenberg from comment #11) > Indeed, 16 is required by the ABI; see > http://www.x86-64.org/documentation/abi.pdf page 12. Only the SIMD __m256 > is bigger than 16, and there seems no end to Intel's extensions to SIMD > registers, so holding at 16 seems like the Right Thing. Even for allocations smaller than 16 bytes?
