gcc/testsuite/gcc.target/i386/bmi2-bzhi-2.c

   1 /* PR target/65368 */
   2 /* { dg-do run { target bmi2 } } */
   3 /* { dg-options "-O2 -mbmi2" } */
   4
   5 #include <x86intrin.h>
   6 #include "bmi2-check.h"
   7
   8 unsigned int a;
   9 unsigned long long b;
  10
  11 #define A __attribute__((noinline, noclone))
  12
  13 A unsigned int f1 (void) { return _bzhi_u32 (a, 0); }
  14 A unsigned int f2 (unsigned int x) { return _bzhi_u32 (x, 0); }
  15 A unsigned int f3 (void) { return _bzhi_u32 (a, 5); }
  16 A unsigned int f4 (unsigned int x) { return _bzhi_u32 (x, 5); }
  17 A unsigned int f5 (void) { return _bzhi_u32 (a, 31); }
  18 A unsigned int f6 (unsigned int x) { return _bzhi_u32 (x, 31); }
  19 A unsigned int f7 (void) { return _bzhi_u32 (a, 32); }
  20 A unsigned int f8 (unsigned int x) { return _bzhi_u32 (x, 32); }
  21 A unsigned int f9 (void) { return _bzhi_u32 (a, 37); }
  22 A unsigned int f10 (unsigned int x) { return _bzhi_u32 (x, 37); }
  23 A unsigned int f11 (void) { return _bzhi_u32 (a, 257); }
  24 A unsigned int f12 (unsigned int x) { return _bzhi_u32 (x, 257); }
  25 A unsigned int f13 (void) { return _bzhi_u32 (a, 289); }
  26 A unsigned int f14 (unsigned int x) { return _bzhi_u32 (x, 289); }
  27 #ifdef __x86_64__
  28 A unsigned long long f21 (void) { return _bzhi_u64 (b, 0); }
  29 A unsigned long long f22 (unsigned long long x) { return _bzhi_u64 (x, 0); }
  30 A unsigned long long f23 (void) { return _bzhi_u64 (b, 5); }
  31 A unsigned long long f24 (unsigned long long x) { return _bzhi_u64 (x, 5); }
  32 A unsigned long long f25 (void) { return _bzhi_u64 (b, 63); }
  33 A unsigned long long f26 (unsigned long long x) { return _bzhi_u64 (x, 63); }
  34 A unsigned long long f27 (void) { return _bzhi_u64 (b, 64); }
  35 A unsigned long long f28 (unsigned long long x) { return _bzhi_u64 (x, 64); }
  36 A unsigned long long f29 (void) { return _bzhi_u64 (b, 69); }
  37 A unsigned long long f30 (unsigned long long x) { return _bzhi_u64 (x, 69); }
  38 A unsigned long long f31 (void) { return _bzhi_u64 (b, 257); }
  39 A unsigned long long f32 (unsigned long long x) { return _bzhi_u64 (x, 257); }
  40 A unsigned long long f33 (void) { return _bzhi_u64 (b, 321); }
  41 A unsigned long long f34 (unsigned long long x) { return _bzhi_u64 (x, 321); }
  42 #endif
  43
  44 static void
  45 bmi2_test ()
  46 {
  47   a = -1U;
  48   b = -1ULL;
  49   if (f1 () != 0 || f2 (-1U) != 0
  50       || f3 () != 0x1f || f4 (-1U) != 0x1f
  51       || f5 () != 0x7fffffffU || f6 (-1U) != 0x7fffffffU
  52       || f7 () != -1U || f8 (-1U) != -1U
  53       || f9 () != -1U || f10 (-1U) != -1U
  54       || f11 () != 1 || f12 (-1U) != 1
  55       || f13 () != -1U || f14 (-1U) != -1U)
  56     abort ();
  57 #ifdef __x86_64__
  58   if (f21 () != 0 || f22 (-1ULL) != 0
  59       || f23 () != 0x1f || f24 (-1ULL) != 0x1f
  60       || f25 () != 0x7fffffffffffffffULL || f26 (-1ULL) != 0x7fffffffffffffffULL
  61       || f27 () != -1ULL || f28 (-1ULL) != -1ULL
  62       || f29 () != -1ULL || f30 (-1ULL) != -1ULL
  63       || f31 () != 1 || f32 (-1ULL) != 1
  64       || f33 () != -1ULL || f34 (-1ULL) != -1ULL)
  65     abort ();
  66 #endif
  67 }