gcc/testsuite/gcc.target/i386/pr56903.c

   1 /* PR rtl-optimization/56903 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Os" } */
   4 /* { dg-additional-options "-march=pentium3" { target ia32 } } */
   5
   6 int a, *b, c;
   7 struct S { int s : 1; } *fn1 (void);
   8 extern int fn3 (void), fn4 (int *);
   9
  10 void
  11 fn2 (void)
  12 {
  13   int e = fn3 ();
  14   char f = c + fn1 ()->s * 4;
  15   if (*b && f == e)
  16     a = *b;
  17   fn4 (b);
  18 }