gcc/testsuite/gcc.target/powerpc/bmi-blsr-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -fno-inline" } */
   3 /* { dg-require-effective-target lp64 } */
   4 /* { dg-require-effective-target ppc_cpu_supports_hw } */
   5
   6 #define NO_WARN_X86_INTRINSICS 1
   7 #include <x86intrin.h>
   8 #include "bmi-check.h"
   9
  10 int calc_blsr_u32 (int src1, int src2)
  11 {
  12   return (src1-1) & (src2);
  13 }
  14
  15 static void
  16 bmi_test ()
  17 {
  18   unsigned i;
  19   int src = 0xfacec0ff;
  20   int res, res_ref;
  21
  22   for (i=0; i<5; ++i) {
  23     src = (i + src) << i;
  24
  25     res_ref = calc_blsr_u32 (src, src);
  26     res = __blsr_u32 (src);
  27
  28     if (res != res_ref)
  29       abort();
  30   }
  31 }