gcc/testsuite/gcc.dg/pr101384.c

   1 /* PR target/101384 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2 -Wno-psabi -w" } */
   4
   5 typedef unsigned char __attribute__((__vector_size__ (16))) U;
   6 typedef unsigned short __attribute__((__vector_size__ (8 * sizeof (short)))) V;
   7
   8 U u;
   9 V v;
  10
  11 __attribute__((noipa)) U
  12 foo (void)
  13 {
  14   U y = (U) { 0x80, 0xff, 0xff, 0xff, 0x80, 0xff, 0xff, 0xff,
  15               0x80, 0xff, 0xff, 0xff, 0x80, 0xff, 0xff, 0xff } + u;
  16   return y;
  17 }
  18
  19 __attribute__((noipa)) V
  20 bar (void)
  21 {
  22   V y = (V) { 0x8000, 0xffff, 0x8000, 0xffff,
  23               0x8000, 0xffff, 0x8000, 0xffff } + v;
  24   return y;
  25 }
  26
  27 int
  28 main ()
  29 {
  30   U x = foo ();
  31   for (unsigned i = 0; i < 16; i++)
  32     if (x[i] != ((i & 3) ? 0xff : 0x80))
  33       __builtin_abort ();
  34   V y = bar ();
  35   for (unsigned i = 0; i < 8; i++)
  36     if (y[i] != ((i & 1) ? 0xffff : 0x8000))
  37       __builtin_abort ();
  38   return 0;
  39 }