gcc/testsuite/gcc.target/i386/xgetsetbv.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mxsave" } */
   3 /* { dg-final { scan-assembler-times "xgetbv" 3 } } */
   4 /* { dg-final { scan-assembler-times "xsetbv" 3 } } */
   5
   6 #include <x86intrin.h>
   7
   8 unsigned long long
   9 foo (unsigned x, unsigned y)
  10 {
  11   _xsetbv (x, y);
  12   return _xgetbv (x);
  13 }
  14
  15 unsigned long long
  16 bar (unsigned x, unsigned long long y)
  17 {
  18   _xsetbv (x, y);
  19   return _xgetbv (x);
  20 }
  21
  22 unsigned long long
  23 baz (void)
  24 {
  25   _xsetbv (0, 0);
  26   return _xgetbv (0);
  27 }