gcc/testsuite/gcc.dg/torture/pr20314-1.c

   1 /* PR inline-asm/20314 */
   2 /* { dg-do compile { target i?86-*-* x86_64-*-* powerpc*-*-* ia64-*-* } } */
   3
   4 int
   5 f1 (void)
   6 {
   7   int x = 4, y;
   8   __asm__ volatile ("" : "+r,r" (x), "=r,r" (y)
   9                        : "%r,r" (x), "m,r" (8), "r,r" (2));
  10   return x;
  11 }
  12
  13 int
  14 f2 (void)
  15 {
  16   int x = 4, y;
  17   __asm__ volatile ("" : "=r,r" (x), "=r,r" (y)
  18                        : "%0,0" (x), "m,r" (8), "r,r" (2));
  19   return x;
  20 }
  21
  22 int
  23 f3 (void)
  24 {
  25   int x = 4, y;
  26   __asm__ volatile ("" : "+r,r" (x), "=r,r" (y)
  27                        : "%m,r" (8), "r,r" (2));
  28   return x;
  29 }
  30
  31 int
  32 f4 (void)
  33 {
  34   int x = 4, y;
  35   __asm__ volatile ("" : "+r" (x), "=r" (y)
  36                        : "r" (x), "r" (8), "r" (2));
  37   return x;
  38 }
  39
  40 int
  41 f5 (void)
  42 {
  43   int x = 4, y;
  44   __asm__ volatile ("" : "=r" (x), "=r" (y)
  45                        : "0" (x), "r" (8), "r" (2));
  46   return x;
  47 }
  48
  49 int
  50 f6 (void)
  51 {
  52   int x = 4, y;
  53   __asm__ volatile ("" : "+r" (x), "=r" (y)
  54                        : "r" (8), "r" (2));
  55   return x;
  56 }