gcc/testsuite/gcc.dg/vect/pr109011-4.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 "-mavx512cd -mbmi -mlzcnt -mno-avx512vpopcntdq" { target { { { { i?86-*-* x86_64-*-* } && avx512cd } && lzcnt } && bmi } } } */
   5 /* { dg-additional-options "-mdejagnu-cpu=power9" { target { powerpc_vsx && { ! has_arch_pwr9 } } } } */
   6 /* { dg-additional-options "-march=z13 -mzarch" { target s390_vx } } */
   7
   8 void
   9 foo (long long *p, long long *q)
  10 {
  11 #pragma omp simd
  12   for (int i = 0; i < 2048; ++i)
  13     p[i] = 2 * q[i] + __builtin_ctzll (q[i]);
  14 }
  15
  16 void
  17 bar (long long *p, long long *q)
  18 {
  19 #pragma omp simd
  20   for (int i = 0; i < 2048; ++i)
  21     p[i] = q[i] ? __builtin_ctzll (q[i]) : __SIZEOF_LONG_LONG__ * __CHAR_BIT__;
  22 }
  23
  24 void
  25 baz (long long *p, long long *q)
  26 {
  27 #pragma omp simd
  28   for (int i = 0; i < 2048; ++i)
  29     p[i] = __builtin_ffsll (q[i]);
  30 }
  31
  32 /* { dg-final { scan-tree-dump-times " = \.CLZ \\\(vect" 3 "optimized" { target { { { { i?86-*-* x86_64-*-* } && avx512cd } && lzcnt } && bmi } } } } */
  33 /* { dg-final { scan-tree-dump-times " = \.CTZ \\\(vect" 3 "optimized" { target powerpc_vsx } } } */
  34 /* { dg-final { scan-tree-dump-times " = \.CTZ \\\(vect" 2 "optimized" { target s390_vx } } } */
  35 /* { dg-final { scan-tree-dump-times " = \.POPCOUNT \\\(vect" 1 "optimized" { target s390_vx } } } */