Jeffrey Walton wrote: > > And glibc aligns malloc() > > results to 8 bytes on most 32-bit platforms. > > I believe the runtime is required to return a pointer aligned for the > largest C type on the system. On x86 that's 16 bytes due to the xmm > datatypes.
Right. The malloc() alignment on glibc/i386 was increased from 8 to 16 not too long ago: https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=9b5c49ef97e63cc63f1ffa13baf771368105ebe2 https://sourceware.org/bugzilla/show_bug.cgi?id=21120 Bruno
