On Sat, Mar 3, 2012 at 10:04 AM, Konstantin Schauwecker <konstantin.schauwecker@xxxxxxxxxxxxxxxxxxxxx> wrote: > Hi everyone, > > GCC has the following built-in function for performing unaligned SSE integer loads: > > v16qi __builtin_ia32_loaddqu (const char *) > > However, there does not seem to be any function for performing aligned loads, as by the movdqa instruction. I've googled a bit and I found the following bug report about this, which has been marked fixed 10 years ago: > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=8075 > > The same applies for aligned stores. Will the aligned store/load functions ever be added to gcc? In the mean time: Is there any good work around I could use instead? > > Thanks, > Konstantin _mm_load_si128. If you know you have SSE, it may make sense to use the SSE intrinsics in xmmintrin.h, emmintrin.h, etc... Brian
