gcc/testsuite/gcc.target/i386/pr80160.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-omit-frame-pointer -w" } */
   3 /* { dg-additional-options "-march=pentium-mmx" { target ia32 } } */
   4
   5 typedef struct { long long a; } a_t;
   6 int *a, b;
   7 a_t *e, c;
   8 long long f;
   9 void fn (int);
  10 void fn2 (void);
  11 int fn3 (a_t);
  12 void fn4 (a_t);
  13 a_t foo (long long val) { return (a_t){val}; }
  14 static void
  15 bar (int ka)
  16 {
  17   unsigned i;
  18   for (i = 0; i < 512; i++) {
  19     long d;
  20     c = (a_t){d};
  21     fn2 ();
  22   }
  23   fn (ka);
  24 }
  25 void
  26 test (void)
  27 {
  28   a_t g;
  29   a_t *h, j;
  30   h = e;
  31   j = *h;
  32   if (e == (a_t *) 1) {
  33     a_t k = {fn3 (j)};
  34     fn4 (j);
  35     long l;
  36     g = foo((long long)b << 2 | l);
  37     k = g;
  38     if (j.a != k.a) {
  39       a_t m = g;
  40       int n = m.a, o = m.a >> 32;
  41       asm ("# %0 %1 %2 %3" : "=m"(*a), "+A"(f) : "b"(n), "c"(o));
  42     }
  43   }
  44   bar ((int) h);
  45 }