gcc/testsuite/gcc.target/i386/bmi2-pext-1.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
   9 unsigned int a;
  10 unsigned long long b;
  11
  12 int
  13 main ()
  14 {
  15   asm volatile ("" : : "g" (&a), "g" (&b) : "memory");
  16   if (_pext_u32 (0xabcdef98, 0xffff0000) != 0xabcd
  17       || _pext_u32 (0xabcdef98, 0xffffff00) != 0xabcdef
  18       || _pext_u32 (0xabcdef98, 0x0f0f0f0f) != 0xbdf8
  19       || _pext_u32 (0xabcdef98, 0xff0fff0f) != 0xabdef8
  20       || _pext_u32 (0xabcdef98, 0x000fffff) != 0xdef98
  21       || _pext_u32 (a, 0xffffffff) != a)
  22     link_error ();
  23 #ifdef __x86_64__
  24   if (_pext_u64 (0xabcdef9876543210UL, 0xffffffff00000000UL) != 0xabcdef98UL
  25       || _pext_u64 (0xabcdef9876543210UL, 0xffffffffffffff00UL) != 0xabcdef98765432UL
  26       || _pext_u64 (0xabcdef9876543210UL, 0x0f0f0f0f0f0f0f0fUL) != 0xbdf86420UL
  27       || _pext_u64 (0xabcdef9876543210UL, 0xff0fff0fff0fff0fUL) != 0xabdef8764320UL
  28       || _pext_u64 (0xabcdef9876543210UL, 0x00000000000fffffUL) != 0x43210UL
  29       || _pext_u64 (b, 0xffffffffffffffffUL) != b)
  30     link_error ();
  31 #endif
  32   return 0;
  33 }