Michael S (already5chosen@yahoo.com) on 7/1/10 wrote:

>I don't think so. AFAIK, the following code is not legal in standard C90.
>
>int foo(int x)
>{
>x += 1;
>int y = 10 * x;
>y += 1;
>return y;
>}

$ cat test.c

int foo(int x)

{

x += 1;

int y = 10 * x;

y += 1;

return y;

}

$ gcc -O2 -c -std=c89 test.c

$ objdump -d test.o |grep [0-9a-f]:

   0:   55                      push   %ebp

   1:   89 e5                   mov    %esp,%ebp

   3:   8b 45 08                mov    0x8(%ebp),%eax

   6:   5d                      pop    %ebp

   7:   8d 44 80 05             lea    0x5(%eax,%eax,4),%eax

   b:   8d 44 00 01             lea    0x1(%eax,%eax,1),%eax

   f:   c3                      ret