gcc/testsuite/gcc.dg/20020218-1.c

   1 /* Verify that X86-64 only SSE registers aren't restored on IA-32.  */
   2 /* { dg-do compile { target i?86-*-* } } */
   3 /* { dg-skip-if "" { i?86-*-* } { "-m64" } { "" } } */
   4 /* { dg-options "-O2 -msse" } */
   5 /* { dg-final { scan-assembler-not "xmm8" } } */
   6
   7 extern void abort (void);
   8 extern void exit (int);
   9
  10 void *bar (void *p, void *q)
  11 {
  12   if (p != (void *) 26 || q != (void *) 35)
  13     abort ();
  14   return (void *) 76;
  15 }
  16
  17 void *foo (void **args)
  18 {
  19   void *argcookie = &args[1];
  20
  21   __builtin_return (__builtin_apply (args[0], &argcookie,
  22                                      2 * sizeof (void *)));
  23 }
  24
  25 int main (void)
  26 {
  27   void *args[3];
  28
  29   args[0] = (void *) bar;
  30   args[1] = (void *) 26;
  31   args[2] = (void *) 35;
  32   if (foo (args) != (void *) 76)
  33     abort ();
  34   exit (0);
  35 }