gcc/testsuite/gcc.dg/tree-ssa/vrp72.c

   1 /* { dg-options "-O2" } */
   2
   3 typedef __INTPTR_TYPE__ intptr_t;
   4 typedef unsigned long long uint64_t;
   5 extern void linker_error (void);
   6
   7 static inline void cvmx_write64_uint64(uint64_t addr, uint64_t val)
   8 {
   9   *(volatile uint64_t *)(intptr_t)addr = val;
  10 };
  11 static inline uint64_t cvmx_read64_uint64(uint64_t addr)
  12 {
  13   return *(volatile uint64_t *)(intptr_t)addr;
  14 };
  15
  16 static inline void cvmx_write_csr(uint64_t csr_addr, uint64_t val)
  17 {
  18     cvmx_write64_uint64 (csr_addr, val);
  19     if ((csr_addr >> 40) != 0x800118)
  20       linker_error ();
  21 }
  22
  23 int uart;
  24
  25 int
  26 main ()
  27 {
  28   cvmx_write_csr (((((uint64_t) 2LL) << 62)
  29                    | (0x0001180000000808ull+((uart&0xff)*1024))),
  30                   0xfff);
  31   return 0;
  32 }