------- Comment #7 from jblomqvi at cc dot hut dot fi 2005-10-09 20:52 ------- (In reply to comment #5) > > It should be noted that the patch assumes that the padding for real(10) is > > 10 > > bytes data + 2 bytes padding. This works on i686-Linux, might not work on > > other > > targets (big endian?). > > Itanium has padding to 16 bytes for 10-byte reals. > > Using 12 bytes for 10-byte reals on ia686 would mean breaking binary > compatibility with Itanium :-(
Indeed, looking at http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html#i386-and-x86_002d64-Options it seems that x86-64 also pads real(10) to 16 bytes. See the doc for the -m128bit-long-double switch. -- jblomqvi at cc dot hut dot fi changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |WAITING http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24174
