sdcc/support/regression/tests/gcc-torture-execute-20060110-volatile.c

   1 /*
   2    Modified 20060110-?.c from the execute part of the gcc torture suite.
   3    Volatile input to trigger some peephole rules for STM8
   4  */
   5
   6 #include <testfwk.h>
   7
   8 #ifdef __SDCC
   9 #pragma std_c99
  10 #endif
  11
  12 #if !defined(__SDCC_pic14) && !defined(__SDCC_pic16) && !defined(__SDCC_pdk14) // Lack of memory
  13 long long
  14 f (volatile long long a, volatile long long b)
  15 {
  16   return ((a + b) << 32) >> 32;
  17 }
  18
  19 long long a = 0x1234567876543210LL;
  20 long long b = 0x2345678765432101LL;
  21 long long c = ((0x1234567876543210LL + 0x2345678765432101LL) << 32) >> 32;
  22 #endif
  23
  24 void
  25 testTortureExecute (void)
  26 {
  27 #if !defined(__SDCC_pic14) && !defined(__SDCC_pic16) && !defined(__SDCC_pdk14) // Lack of memory
  28   ASSERT (f (a, b) == c);
  29   return;
  30 #endif
  31 }
  32