a.c

int n;
int main() {
    n = 56;
    printf("%d\n", (int)(n/0.32));
    printf("%d\n", (int)(n/0.32));
    return 0;
}

a.S

; gcc -v
; Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
; Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
; Target: x86_64-apple-darwin13.3.0
; Thread model: posix
;
; gcc -O -m32 a.c
00001f30 <_main>:
    1f30:       55                      push   %ebp
    1f31:       89 e5                   mov    %esp,%ebp
    1f33:       53                      push   %ebx
    1f34:       57                      push   %edi
    1f35:       56                      push   %esi
    1f36:       83 ec 0c                sub    $0xc,%esp
    1f39:       e8 00 00 00 00          call   1f3e <_main+0xe>
    1f3e:       5e                      pop    %esi
    1f3f:       8b be ca 00 00 00       mov    0xca(%esi),%edi
    1f45:       c7 07 38 00 00 00       movl   $0x38,(%edi)
    1f4b:       8d 9e 72 00 00 00       lea    0x72(%esi),%ebx
    1f51:       89 1c 24                mov    %ebx,(%esp)
    1f54:       c7 44 24 04 af 00 00    movl   $0xaf,0x4(%esp)
    1f5b:       00 
    1f5c:       e8 29 00 00 00          call   1f8a <_printf$stub>
    1f61:       8b 07                   mov    (%edi),%eax
    1f63:       f2 0f 2a c0             cvtsi2sd %eax,%xmm0
    1f67:       f2 0f 5e 86 6a 00 00    divsd  0x6a(%esi),%xmm0
    1f6e:       00 
    1f6f:       f2 0f 2c c0             cvttsd2si %xmm0,%eax
    1f73:       89 1c 24                mov    %ebx,(%esp)
    1f76:       89 44 24 04             mov    %eax,0x4(%esp)
    1f7a:       e8 0b 00 00 00          call   1f8a <_printf$stub>
    1f7f:       31 c0                   xor    %eax,%eax
    1f81:       83 c4 0c                add    $0xc,%esp
    1f84:       5e                      pop    %esi
    1f85:       5f                      pop    %edi
    1f86:       5b                      pop    %ebx
    1f87:       5d                      pop    %ebp
    1f88:       c3                      ret