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

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-require-effective-target powerpc_p8vector_ok } */
   4 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
   5 /* { dg-options "-mcpu=power8 -O2 -ftree-vectorize -fvect-cost-model=dynamic -fno-unroll-loops -fno-unroll-all-loops" } */
   6
   7 #ifndef SIZE
   8 #define SIZE 1024
   9 #endif
  10
  11 #ifndef ALIGN
  12 #define ALIGN 32
  13 #endif
  14
  15 #define ALIGN_ATTR __attribute__((__aligned__(ALIGN)))
  16
  17 #define DO_BUILTIN(PREFIX, TYPE, CLZ, POPCNT)                           \
  18 TYPE PREFIX ## _a[SIZE] ALIGN_ATTR;                                     \
  19 TYPE PREFIX ## _b[SIZE] ALIGN_ATTR;                                     \
  20                                                                         \
  21 void                                                                    \
  22 PREFIX ## _clz (void)                                                   \
  23 {                                                                       \
  24   unsigned long i;                                                      \
  25                                                                         \
  26   for (i = 0; i < SIZE; i++)                                            \
  27     PREFIX ## _a[i] = CLZ (PREFIX ## _b[i]);                            \
  28 }                                                                       \
  29                                                                         \
  30 void                                                                    \
  31 PREFIX ## _popcnt (void)                                                \
  32 {                                                                       \
  33   unsigned long i;                                                      \
  34                                                                         \
  35   for (i = 0; i < SIZE; i++)                                            \
  36     PREFIX ## _a[i] = POPCNT (PREFIX ## _b[i]);                         \
  37 }
  38
  39 #if !defined(DO_LONG_LONG) && !defined(DO_LONG) && !defined(DO_INT) && !defined(DO_SHORT) && !defined(DO_CHAR)
  40 #define DO_INT 1
  41 #endif
  42
  43 #if DO_LONG_LONG
  44 /* At the moment, only int is auto vectorized.  */
  45 DO_BUILTIN (sll, long long,             __builtin_clzll, __builtin_popcountll)
  46 DO_BUILTIN (ull, unsigned long long,    __builtin_clzll, __builtin_popcountll)
  47 #endif
  48
  49 #if defined(_ARCH_PPC64) && DO_LONG
  50 DO_BUILTIN (sl,  long,                  __builtin_clzl,  __builtin_popcountl)
  51 DO_BUILTIN (ul,  unsigned long,         __builtin_clzl,  __builtin_popcountl)
  52 #endif
  53
  54 #if DO_INT
  55 DO_BUILTIN (si,  int,                   __builtin_clz,   __builtin_popcount)
  56 DO_BUILTIN (ui,  unsigned int,          __builtin_clz,   __builtin_popcount)
  57 #endif
  58
  59 #if DO_SHORT
  60 DO_BUILTIN (ss,  short,                 __builtin_clz,   __builtin_popcount)
  61 DO_BUILTIN (us,  unsigned short,        __builtin_clz,   __builtin_popcount)
  62 #endif
  63
  64 #if DO_CHAR
  65 DO_BUILTIN (sc,  signed char,           __builtin_clz,   __builtin_popcount)
  66 DO_BUILTIN (uc,  unsigned char,         __builtin_clz,   __builtin_popcount)
  67 #endif
  68
  69 /* { dg-final { scan-assembler-times "vclzw"     2 } } */
  70 /* { dg-final { scan-assembler-times "vpopcntw"  2 } } */