gcc/testsuite/gcc.target/avr/pr71676-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-dp -w -Os -fno-tree-switch-conversion" } */
   3
   4 #define MK_FUN(NAME, TYP, V)                            \
   5   unsigned char __attribute__((noinline,noclone))       \
   6   select_## NAME (TYP x, unsigned char y)               \
   7   {                                                     \
   8     switch (x)                                          \
   9       {                                                 \
  10       case V + 0: return 0 + y;                         \
  11       case V + 1: return 1;                             \
  12       case V + 2: return 2 + y;                         \
  13       case V + 3: return 3;                             \
  14       case V + 4: return 4 + y;                         \
  15       case V + 5: return 5;                             \
  16       case V + 6: return 6 + y;                         \
  17       case V + 7: return 7;                             \
  18       case V + 8: return 8 + y;                         \
  19       case V + 9: return 9;                             \
  20       case V + 10: return 10 + y;                       \
  21       case V + 11: return 11;                           \
  22       case V + 12: return 12 + y;                       \
  23       case V + 13: return 13;                           \
  24       case V + 14: return 14 + y;                       \
  25       case V + 15: return 15;                           \
  26       }                                                 \
  27     return x;                                           \
  28   }
  29
  30 MK_FUN (0_s8, signed char, 0)
  31 MK_FUN (0_u8, unsigned char, 0)
  32 MK_FUN (0_s16, signed int, 0)
  33 MK_FUN (0_u16, unsigned int, 0)
  34
  35 MK_FUN (m4_s8, signed char, -4)
  36 MK_FUN (m4_u8, unsigned char, -4)
  37 MK_FUN (m4_s16, signed int, -4)
  38 MK_FUN (m4_u16, unsigned int, -4)
  39
  40 MK_FUN (4_s8, signed char, 4)
  41 MK_FUN (4_u8, unsigned char, 4)
  42 MK_FUN (4_s16, signed int, 4)
  43 MK_FUN (4_u16, unsigned int, 4)
  44
  45 /* { dg-final { scan-assembler-not "extendqisi" } } */
  46 /* { dg-final { scan-assembler-not "extendhisi" } } */