gcc/testsuite/gcc.target/i386/avx2-vect-mask-store-move1.c

   1 /* { dg-options "-O3 -mavx2 -fdump-tree-vect-details" } */
   2 /* { dg-require-effective-target avx2 } */
   3
   4 #include "avx2-check.h"
   5 #define N 32
   6 int *p1, *p2, *p3;
   7 int c[N];
   8 int p1ref[N], p2ref[N];
   9
  10 __attribute__((noinline, noclone)) void foo (int n)
  11 {
  12   int i;
  13   for (i=0; i<n; i++)
  14     if (c[i])
  15       {
  16         p1[i] += 1;
  17         p2[i] = p3[i] +2;
  18       }
  19 }
  20
  21 void init ()
  22 {
  23   p1ref[0]=1; p2ref[0]=2;
  24   p1ref[1]=3; p2ref[1]=5;
  25   p1ref[2]=5; p2ref[2]=8;
  26   p1ref[3]=7; p2ref[3]=11;
  27   p1ref[4]=9; p2ref[4]=14;
  28   p1ref[5]=11; p2ref[5]=17;
  29   p1ref[6]=13; p2ref[6]=20;
  30   p1ref[7]=15; p2ref[7]=23;
  31   p1ref[8]=16; p2ref[8]=8;
  32   p1ref[9]=18; p2ref[9]=9;
  33   p1ref[10]=20; p2ref[10]=10;
  34   p1ref[11]=22; p2ref[11]=11;
  35   p1ref[12]=24; p2ref[12]=12;
  36   p1ref[13]=26; p2ref[13]=13;
  37   p1ref[14]=28; p2ref[14]=14;
  38   p1ref[15]=30; p2ref[15]=15;
  39   p1ref[16]=33; p2ref[16]=50;
  40   p1ref[17]=35; p2ref[17]=53;
  41   p1ref[18]=37; p2ref[18]=56;
  42   p1ref[19]=39; p2ref[19]=59;
  43   p1ref[20]=41; p2ref[20]=62;
  44   p1ref[21]=43; p2ref[21]=65;
  45   p1ref[22]=45; p2ref[22]=68;
  46   p1ref[23]=47; p2ref[23]=71;
  47   p1ref[24]=48; p2ref[24]=24;
  48   p1ref[25]=50; p2ref[25]=25;
  49   p1ref[26]=52; p2ref[26]=26;
  50   p1ref[27]=54; p2ref[27]=27;
  51   p1ref[28]=56; p2ref[28]=28;
  52   p1ref[29]=58; p2ref[29]=29;
  53   p1ref[30]=60; p2ref[30]=30;
  54   p1ref[31]=62; p2ref[31]=31;
  55 }
  56
  57 static void
  58 avx2_test (void)
  59 {
  60   int * P = malloc (N * 3 * sizeof (int));
  61   int i;
  62
  63   p1 = &P[0];
  64   p2 = &P[N];
  65   p3 = &P[2 * N];
  66   for (i=0; i<N; i++) {
  67     p1[i] = i + i;
  68     p3[i] = i * 3;
  69     p2[i] = i;
  70     c[i] = (i >> 3) & 1? 0: 1;
  71   }
  72   init ();
  73   foo (N);
  74   for (i=0; i<N;i++)
  75     if (p1[i] != p1ref[i] || p2[i] != p2ref[i])
  76       abort ();
  77 }
  78
  79 /* { dg-final { scan-tree-dump-times "Move stmt to created bb" 6 "vect" } } */