513 rjek@octopus:~$ cat test.c
int foo(void) { return 1; }

514 rjek@octopus:~$ faucc -b i286 -c test.c -o test.o
515 rjek@octopus:~$ objdump -d test.o

test.o:     file format elf32-i386


Disassembly of section .text:

00000000 <foo>:
   0:   55                      push   %ebp
   1:   89 e5                   mov    %esp,%ebp
   3:   b8 01 00 5d cb          mov    $0xcb5d0001,%eax
516 rjek@octopus:~$ gcc -O2 -m32 -c test.c
517 rjek@octopus:~$ objdump -d test.o

test.o:     file format elf32-i386


Disassembly of section .text:

00000000 <foo>:
   0:   55                      push   %ebp
   1:   b8 01 00 00 00          mov    $0x1,%eax
   6:   89 e5                   mov    %esp,%ebp
   8:   5d                      pop    %ebp
   9:   c3                      ret
518 rjek@octopus:~$ gcc -O2 -m64 -c test.c
519 rjek@octopus:~$ objdump -d test.o

test.o:     file format elf64-x86-64


Disassembly of section .text:

0000000000000000 <foo>:
   0:   b8 01 00 00 00          mov    $0x1,%eax
   5:   c3                      retq