gcc/testsuite/gcc.dg/pr56837.c

   1 /* Limit this test to selected targets with IEEE double, 8-byte long long,
   2    supported 4x int vectors, 4-byte int.  */
   3 /* { dg-do compile { target { i?86-*-* x86_64-*-* powerpc*-*-* } } } */
   4 /* { dg-options "-O3 -fdump-tree-optimized" } */
   5 /* { dg-additional-options "-msse2" { target ia32 } } */
   6 /* { dg-additional-options "-mvsx -maltivec" { target powerpc*-*-* } } */
   7
   8 typedef int V __attribute__((__vector_size__ (16)));
   9 #define N 1024
  10 double d[N];
  11 long long int l[N];
  12 _Bool b[N];
  13 _Complex double c[N];
  14 V v[N];
  15
  16 void
  17 fd (void)
  18 {
  19   int i;
  20   for (i = 0; i < N; i++)
  21     d[i] = 747708026454360457216.0;
  22 }
  23
  24 void
  25 fl (void)
  26 {
  27   int i;
  28   for (i = 0; i < N; i++)
  29     l[i] = 0x7c7c7c7c7c7c7c7cULL;
  30 }
  31
  32 void
  33 fb (void)
  34 {
  35   int i;
  36   for (i = 0; i < N; i++)
  37     b[i] = 1;
  38 }
  39
  40 void
  41 fc (void)
  42 {
  43   int i;
  44   for (i = 0; i < N; i++)
  45     c[i] = 747708026454360457216.0 + 747708026454360457216.0i;
  46 }
  47
  48 void
  49 fv (void)
  50 {
  51   int i;
  52   for (i = 0; i < N; i++)
  53     v[i] = (V) { 0x12121212, 0x12121212, 0x12121212, 0x12121212 };
  54 }
  55
  56 /* Look for
  57   __builtin_memset (&d, 68, 8192);
  58   __builtin_memset (&l, 124, 8192);
  59   __builtin_memset (&b, 1, 1024);
  60   __builtin_memset (&c, 68, 16384);
  61   __builtin_memset (&v, 18, 16384); */
  62 /* { dg-final { scan-tree-dump-times "memset ..d, 68, 8192.;" 1 "optimized" } } */
  63 /* { dg-final { scan-tree-dump-times "memset ..l, 124, 8192.;" 1 "optimized" } } */
  64 /* { dg-final { scan-tree-dump-times "memset ..b, 1, 1024.;" 1 "optimized" } } */
  65 /* { dg-final { scan-tree-dump-times "memset ..c, 68, 16384.;" 1 "optimized" } } */
  66 /* { dg-final { scan-tree-dump-times "memset ..v, 18, 16384.;" 1 "optimized" } } */