gcc/testsuite/gcc.dg/vect/pr109011-3.c

   1 /* PR tree-optimization/109011 */
   2 /* { dg-do compile } */
   3 /* { dg-additional-options "-O3 -fno-unroll-loops --param=vect-epilogues-nomask=0 -fdump-tree-optimized" } */
   4 /* { dg-additional-options "-mno-avx512cd -mbmi -mlzcnt -mavx512vpopcntdq" { target { { { { i?86-*-* x86_64-*-* } && avx512vpopcntdq } && lzcnt } && bmi } } } */
   5 /* { dg-additional-options "-mdejagnu-cpu=power8" { target powerpc_vsx } } */
   6
   7 void
   8 foo (int *p, int *q)
   9 {
  10 #pragma omp simd
  11   for (int i = 0; i < 2048; ++i)
  12     p[i] = __builtin_ctz (q[i]);
  13 }
  14
  15 void
  16 bar (int *p, int *q)
  17 {
  18 #pragma omp simd
  19   for (int i = 0; i < 2048; ++i)
  20     p[i] = q[i] ? __builtin_ctz (q[i]) : __SIZEOF_INT__ * __CHAR_BIT__;
  21 }
  22
  23 void
  24 baz (int *p, int *q)
  25 {
  26 #pragma omp simd
  27   for (int i = 0; i < 2048; ++i)
  28     p[i] = __builtin_ffs (q[i]);
  29 }
  30
  31 /* { dg-final { scan-tree-dump-times " = \.POPCOUNT \\\(vect" 3 "optimized" { target { { { { i?86-*-* x86_64-*-* } && avx512vpopcntdq } && lzcnt } && bmi } } } } */
  32 /* { dg-final { scan-tree-dump-times " = \.CLZ \\\(vect" 3 "optimized" { target powerpc_vsx } } } */