gcc/testsuite/gcc.target/powerpc/bmi-blsmsk-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 /*  Trick compiler in order not to generate target insn here. */
  11 int calc_blsmsk_u32 (int src1, int src2)
  12 {
  13   return (src1-1) ^ (src2);
  14 }
  15
  16 static void
  17 bmi_test ()
  18 {
  19   unsigned i;
  20   int src = 0xfacec0ff;
  21   int res, res_ref;
  22
  23   for (i=0; i<5; ++i) {
  24     src = (i + src) << i;
  25
  26     res_ref = calc_blsmsk_u32 (src, src);
  27     res = __blsmsk_u32 (src);
  28
  29     if (res != res_ref)
  30       abort();
  31   }
  32 }