sdcc/support/regression/tests/gcc-torture-execute-pr85582-3.c

   1 /*
   2    pr85582-2.c from the execute part of the gcc torture tests.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #include <limits.h>
   8
   9 /* PR target/85582 */
  10
  11 typedef long long S;
  12 typedef unsigned long long U;
  13
  14 U
  15 f1 (U x, int y)
  16 {
  17   return x << (y & -2);
  18 }
  19
  20 S
  21 f2 (S x, int y)
  22 {
  23   return x >> (y & -2);
  24 }
  25
  26 U
  27 f3 (U x, int y)
  28 {
  29   return x >> (y & -2);
  30 }
  31
  32 void
  33 testTortureExecute (void)
  34 {
  35 #if !defined(__SDCC_pdk13) && !defined(__SDCC_pdk14) // Lack of data memory
  36   U a = (U) 1 << (sizeof (U) * CHAR_BIT - 7);
  37   if (f1 (a, 5) != ((U) 1 << (sizeof (S) * CHAR_BIT - 3)))
  38     ASSERT (0);
  39   S b = (U) 0x101 << (sizeof (S) * CHAR_BIT / 2 - 7);
  40   if (f1 (b, sizeof (S) * CHAR_BIT / 2) != (U) 0x101 << (sizeof (S) * CHAR_BIT - 7))
  41     ASSERT (0);
  42   if (f1 (b, sizeof (S) * CHAR_BIT / 2 + 2) != (U) 0x101 << (sizeof (S) * CHAR_BIT - 5))
  43     ASSERT (0);
  44   S c = (U) 1 << (sizeof (S) * CHAR_BIT - 1);
  45   if ((U) f2 (c, 5) != ((U) 0x1f << (sizeof (S) * CHAR_BIT - 5)))
  46     ASSERT (0);
  47   if ((U) f2 (c, sizeof (S) * CHAR_BIT / 2) != ((U) -1 << (sizeof (S) * CHAR_BIT / 2 - 1)))
  48     ASSERT (0);
  49   if ((U) f2 (c, sizeof (S) * CHAR_BIT / 2 + 2) != ((U) -1 << (sizeof (S) * CHAR_BIT / 2 - 3)))
  50     ASSERT (0);
  51   U d = (U) 1 << (sizeof (S) * CHAR_BIT - 1);
  52   if (f3 (c, 5) != ((U) 0x1 << (sizeof (S) * CHAR_BIT - 5)))
  53     ASSERT (0);
  54   if (f3 (c, sizeof (S) * CHAR_BIT / 2) != ((U) 1 << (sizeof (S) * CHAR_BIT / 2 - 1)))
  55     ASSERT (0);
  56   if (f3 (c, sizeof (S) * CHAR_BIT / 2 + 2) != ((U) 1 << (sizeof (S) * CHAR_BIT / 2 - 3)))
  57     ASSERT (0);
  58   return;
  59 #endif
  60 }
  61