gcc/testsuite/gcc.target/i386/bmi2-bzhi-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mbmi2 -fdump-tree-optimized" } */
   3 /* { dg-final { scan-tree-dump-not "link_error" "optimized" } } */
   4
   5 #include <x86intrin.h>
   6
   7 extern void link_error (void);
   8 unsigned int a;
   9 unsigned long long b;
  10
  11 static inline unsigned int f1 (void) { return _bzhi_u32 (a, 0); }
  12 static inline unsigned int f2 (unsigned int x) { return _bzhi_u32 (x, 0); }
  13 static inline unsigned int f3 (void) { return _bzhi_u32 (a, 5); }
  14 static inline unsigned int f4 (unsigned int x) { return _bzhi_u32 (x, 5); }
  15 static inline unsigned int f5 (void) { return _bzhi_u32 (a, 31); }
  16 static inline unsigned int f6 (unsigned int x) { return _bzhi_u32 (x, 31); }
  17 static inline unsigned int f7 (void) { return _bzhi_u32 (a, 32); }
  18 static inline unsigned int f8 (unsigned int x) { return _bzhi_u32 (x, 32); }
  19 static inline unsigned int f9 (void) { return _bzhi_u32 (a, 37); }
  20 static inline unsigned int f10 (unsigned int x) { return _bzhi_u32 (x, 37); }
  21 static inline unsigned int f11 (void) { return _bzhi_u32 (a, 257); }
  22 static inline unsigned int f12 (unsigned int x) { return _bzhi_u32 (x, 257); }
  23 static inline unsigned int f13 (void) { return _bzhi_u32 (a, 289); }
  24 static inline unsigned int f14 (unsigned int x) { return _bzhi_u32 (x, 289); }
  25 #ifdef __x86_64__
  26 static inline unsigned long long f21 (void) { return _bzhi_u64 (b, 0); }
  27 static inline unsigned long long f22 (unsigned long long x) { return _bzhi_u64 (x, 0); }
  28 static inline unsigned long long f23 (void) { return _bzhi_u64 (b, 5); }
  29 static inline unsigned long long f24 (unsigned long long x) { return _bzhi_u64 (x, 5); }
  30 static inline unsigned long long f25 (void) { return _bzhi_u64 (b, 63); }
  31 static inline unsigned long long f26 (unsigned long long x) { return _bzhi_u64 (x, 63); }
  32 static inline unsigned long long f27 (void) { return _bzhi_u64 (b, 64); }
  33 static inline unsigned long long f28 (unsigned long long x) { return _bzhi_u64 (x, 64); }
  34 static inline unsigned long long f29 (void) { return _bzhi_u64 (b, 69); }
  35 static inline unsigned long long f30 (unsigned long long x) { return _bzhi_u64 (x, 69); }
  36 static inline unsigned long long f31 (void) { return _bzhi_u64 (b, 257); }
  37 static inline unsigned long long f32 (unsigned long long x) { return _bzhi_u64 (x, 257); }
  38 static inline unsigned long long f33 (void) { return _bzhi_u64 (b, 321); }
  39 static inline unsigned long long f34 (unsigned long long x) { return _bzhi_u64 (x, 321); }
  40 #endif
  41
  42 unsigned int c;
  43 unsigned long long d;
  44
  45 int
  46 main ()
  47 {
  48   asm volatile ("" : : "g" (&c), "g" (&d) : "memory");
  49   a = -1U;
  50   b = -1ULL;
  51   if (f1 () != 0 || f2 (-1U) != 0
  52       || f3 () != 0x1f || f4 (-1U) != 0x1f
  53       || f5 () != 0x7fffffffU || f6 (-1U) != 0x7fffffffU
  54       || f7 () != -1U || f8 (-1U) != -1U
  55       || f9 () != -1U || f10 (-1U) != -1U
  56       || f11 () != 1 || f12 (-1U) != 1
  57       || f13 () != -1U || f14 (-1U) != -1U)
  58     link_error ();
  59   if (_bzhi_u32 (c, 32) != c
  60       || _bzhi_u32 (c, 64) != c
  61       || _bzhi_u32 (c, 255) != c)
  62     link_error ();
  63 #ifdef __x86_64__
  64   if (f21 () != 0 || f22 (-1ULL) != 0
  65       || f23 () != 0x1f || f24 (-1ULL) != 0x1f
  66       || f25 () != 0x7fffffffffffffffULL || f26 (-1ULL) != 0x7fffffffffffffffULL
  67       || f27 () != -1ULL || f28 (-1ULL) != -1ULL
  68       || f29 () != -1ULL || f30 (-1ULL) != -1ULL
  69       || f31 () != 1 || f32 (-1ULL) != 1
  70       || f33 () != -1ULL || f34 (-1ULL) != -1ULL)
  71     link_error ();
  72   if (_bzhi_u64 (d, 64) != d
  73       || _bzhi_u64 (d, 255) != d)
  74     link_error ();
  75 #endif
  76   return 0;
  77 }