gcc/testsuite/gcc.target/i386/pr35160.c

   1 /* PR inline-asm/35160 */
   2 /* { dg-do run } */
   3 /* { dg-skip-if "" { ia32 && { ! nonpic } } { "*" } { "" } } */
   4 /* { dg-options "-O2" } */
   5
   6 extern void abort (void);
   7
   8 void
   9 __attribute__((noinline))
  10 foo (unsigned int *y)
  11 {
  12    unsigned int c0, c1, c2, d0, d1, d2;
  13    d0 = 0; d1 = 0; d2 = 0; c0 = c1 = c2 = 0;
  14
  15    __asm__ ("movl $7, %k0; movl $8, %k1; movl $9, %k2"
  16             : "+r" (d0), "+r" (d1), "+r" (d2));
  17    __asm__ ("movl %3, %0; movl %4, %1; movl %5, %2"
  18             : "+r" (c0), "+r" (c1), "+r" (c2), "+r" (d0), "+r" (d1), "+r" (d2));
  19    y[0] = c0;
  20    y[1] = c1;
  21    y[2] = c2;
  22 }
  23
  24 int
  25 main (void)
  26 {
  27   unsigned int y[3];
  28   foo (y);
  29   if (y[0] != 7 || y[1] != 8 || y[2] != 9)
  30     abort ();
  31   return 0;
  32 }