gcc/testsuite/gcc.target/i386/vperm-v4si-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O -msse2" } */
   3 /* { dg-require-effective-target sse2 } */
   4
   5 #include "isa-check.h"
   6 #include "sse-os-support.h"
   7
   8 typedef int S;
   9 typedef int V __attribute__((vector_size(16)));
  10 typedef int IV __attribute__((vector_size(16)));
  11 typedef union { S s[4]; V v; } U;
  12
  13 static U i[2], b, c;
  14
  15 extern int memcmp (const void *, const void *, __SIZE_TYPE__);
  16 #define assert(T) ((T) || (__builtin_trap (), 0))
  17
  18 #define TEST(E0, E1, E2, E3) \
  19   b.v = __builtin_shuffle (i[0].v, i[1].v, (IV){E0, E1, E2, E3}); \
  20   c.s[0] = i[0].s[E0]; \
  21   c.s[1] = i[0].s[E1]; \
  22   c.s[2] = i[0].s[E2]; \
  23   c.s[3] = i[0].s[E3]; \
  24   __asm__("" : : : "memory"); \
  25   assert (memcmp (&b, &c, sizeof(c)) == 0);
  26
  27 #include "vperm-4-1.inc"
  28
  29 int main()
  30 {
  31   check_isa ();
  32
  33   if (!sse_os_support ())
  34     exit (0);
  35
  36   i[0].s[0] = 0;
  37   i[0].s[1] = 1;
  38   i[0].s[2] = 2;
  39   i[0].s[3] = 3;
  40   i[0].s[4] = 4;
  41   i[0].s[5] = 5;
  42   i[0].s[6] = 6;
  43   i[0].s[7] = 7;
  44
  45   check();
  46   return 0;
  47 }