gcc/testsuite/gcc.dg/guality/pr45003-3.c

   1 /* PR debug/45003 */
   2 /* { dg-do run { target { x86_64-*-* && lp64 } } } */
   3 /* { dg-options "-g" } */
   4
   5 int __attribute__((noinline))
   6 foo (unsigned short *p)
   7 {
   8   int a = (short) *p;
   9   asm volatile ("nop" : : "D" ((int) *p));
  10   asm volatile ("nop" : : "D" ((int) *p));      /* { dg-final { gdb-test 10 "a" "-32648" } } */
  11   return 0;
  12 }
  13
  14 int __attribute__((noinline))
  15 bar (short *p)
  16 {
  17   unsigned int a = (unsigned short) *p;
  18   asm volatile ("nop" : : "D" ((unsigned int) *p));
  19   asm volatile ("nop" : : "D" ((unsigned int) *p));     /* { dg-final { gdb-test 19 "a" "0x8078" } } */
  20   return 0;
  21 }
  22
  23 int
  24 main ()
  25 {
  26   unsigned short us = 0x8078;
  27   foo (&us);
  28   short s = -32648;
  29   bar (&s);
  30   return 0;
  31 }