gcc/testsuite/gcc.target/powerpc/p8vector-vectorize-4.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-options "-mdejagnu-cpu=power8 -mvsx -O2 -ftree-vectorize -fvect-cost-model=dynamic -fno-unroll-loops -fno-unroll-all-loops" } */
   4 /* { dg-require-effective-target powerpc_vsx } */
   5
   6 #ifndef SIZE
   7 #define SIZE 1024
   8 #endif
   9
  10 #ifndef ALIGN
  11 #define ALIGN 32
  12 #endif
  13
  14 #define ALIGN_ATTR __attribute__((__aligned__(ALIGN)))
  15
  16 #define DO_BUILTIN(PREFIX, TYPE, CLZ, POPCNT)                           \
  17 TYPE PREFIX ## _a[SIZE] ALIGN_ATTR;                                     \
  18 TYPE PREFIX ## _b[SIZE] ALIGN_ATTR;                                     \
  19                                                                         \
  20 void                                                                    \
  21 PREFIX ## _clz (void)                                                   \
  22 {                                                                       \
  23   unsigned long i;                                                      \
  24                                                                         \
  25   for (i = 0; i < SIZE; i++)                                            \
  26     PREFIX ## _a[i] = CLZ (PREFIX ## _b[i]);                            \
  27 }                                                                       \
  28                                                                         \
  29 void                                                                    \
  30 PREFIX ## _popcnt (void)                                                \
  31 {                                                                       \
  32   unsigned long i;                                                      \
  33                                                                         \
  34   for (i = 0; i < SIZE; i++)                                            \
  35     PREFIX ## _a[i] = POPCNT (PREFIX ## _b[i]);                         \
  36 }
  37
  38 #if !defined(DO_LONG_LONG) && !defined(DO_LONG) && !defined(DO_INT) && !defined(DO_SHORT) && !defined(DO_CHAR)
  39 #define DO_INT 1
  40 #endif
  41
  42 #if DO_LONG_LONG
  43 /* At the moment, only int is auto vectorized.  */
  44 DO_BUILTIN (sll, long long,             __builtin_clzll, __builtin_popcountll)
  45 DO_BUILTIN (ull, unsigned long long,    __builtin_clzll, __builtin_popcountll)
  46 #endif
  47
  48 #if defined(_ARCH_PPC64) && DO_LONG
  49 DO_BUILTIN (sl,  long,                  __builtin_clzl,  __builtin_popcountl)
  50 DO_BUILTIN (ul,  unsigned long,         __builtin_clzl,  __builtin_popcountl)
  51 #endif
  52
  53 #if DO_INT
  54 DO_BUILTIN (si,  int,                   __builtin_clz,   __builtin_popcount)
  55 DO_BUILTIN (ui,  unsigned int,          __builtin_clz,   __builtin_popcount)
  56 #endif
  57
  58 #if DO_SHORT
  59 DO_BUILTIN (ss,  short,                 __builtin_clz,   __builtin_popcount)
  60 DO_BUILTIN (us,  unsigned short,        __builtin_clz,   __builtin_popcount)
  61 #endif
  62
  63 #if DO_CHAR
  64 DO_BUILTIN (sc,  signed char,           __builtin_clz,   __builtin_popcount)
  65 DO_BUILTIN (uc,  unsigned char,         __builtin_clz,   __builtin_popcount)
  66 #endif
  67
  68 /* { dg-final { scan-assembler-times "vclzw"     2 } } */
  69 /* { dg-final { scan-assembler-times "vpopcntw"  2 } } */