Hi Eljay, It was a typo I made. Sorry about it. The "signed long int" is 8 bytes in 64-bit mode. The GCC compiler works fine. Tom John Love-Jensen wrote: > > Hi Tom, > >> I need experts to shed light on C/C++ data type size inconsistencies >> when running 64-bit and 32-bit ELF executables compiled by GNU/GCC >> g++/gcc > > I see the inconsistency but I don't understand why on 64-bit "signed long > int" is 4 bytes. That is alarming! File a bug! > > At least everything else looks good. > > Sincerely, > --Eljay > > > -- View this message in context: http://www.nabble.com/Size-of-C-C%2B%2B-data-type-from-GNU-GCC-g%2B%2B-compiled-ELF-64-bit-LSB-executable%2C-AMD-x86-64-vs.-ELF-32-bit-LSB-executable%2C-Intel-80386-tf3942845.html#a11193588 Sent from the gcc - Help mailing list archive at Nabble.com.