gcc/testsuite/gcc.target/i386/pr39911.c

   1 /* { dg-do assemble } */
   2 /* { dg-options "-O2" } */
   3
   4 void
   5 bar1 ()
   6 {
   7   char foo;
   8   asm volatile ("mov%z0 %1, %0": "=m" (foo): "iq" (-23));
   9   asm volatile ("add%z0 %1, %0": "+m" (foo): "iq" (23));
  10   asm volatile ("mov%z0 %1, %0": "=q" (foo): "iq" (-23));
  11   asm volatile ("add%z0 %1, %0": "+q" (foo): "iq" (23));
  12 }
  13
  14 void
  15 bar2 ()
  16 {
  17   short foo;
  18   asm volatile ("mov%z0 %1, %0": "=m" (foo): "ir" (-23));
  19   asm volatile ("add%z0 %1, %0": "+m" (foo): "ir" (23));
  20   asm volatile ("mov%z0 %1, %0": "=r" (foo): "ir" (-23));
  21   asm volatile ("add%z0 %1, %0": "+r" (foo): "ir" (23));
  22
  23   asm volatile ("pop%z0 %0": "=m" (foo));
  24   asm volatile ("pop%z0 %0": "=r" (foo));
  25 }
  26
  27 void
  28 bar3 ()
  29 {
  30   int foo;
  31   asm volatile ("mov%z0 %1, %0": "=m" (foo): "ir" (-23));
  32   asm volatile ("add%z0 %1, %0": "+m" (foo): "ir" (23));
  33   asm volatile ("mov%z0 %1, %0": "=r" (foo): "ir" (-23));
  34   asm volatile ("add%z0 %1, %0": "+r" (foo): "ir" (23));
  35
  36 #ifndef __x86_64__
  37   if (sizeof (void *) == sizeof (int))
  38     {
  39       asm volatile ("pop%z0 %0": "=m" (foo));
  40       asm volatile ("pop%z0 %0": "=r" (foo));
  41     }
  42 #endif
  43 }
  44
  45 void
  46 bar4 ()
  47 {
  48   if (sizeof (void *) == sizeof (long long))
  49     {
  50       long long foo;
  51       asm volatile ("mov%z0 %1, %0": "=m" (foo): "er" (-23));
  52       asm volatile ("add%z0 %1, %0": "+m" (foo): "er" (23));
  53       asm volatile ("mov%z0 %1, %0": "=r" (foo): "er" (-23));
  54       asm volatile ("add%z0 %1, %0": "+r" (foo): "er" (23));
  55
  56       asm volatile ("pop%z0 %0": "=m" (foo));
  57       asm volatile ("pop%z0 %0": "=r" (foo));
  58     }
  59 }