gcc/testsuite/gcc.target/i386/vperm-v4sf-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O -msse" } */
   3
   4 #include "isa-check.h"
   5
   6 typedef float S;
   7 typedef float V __attribute__((vector_size(16)));
   8 typedef int IV __attribute__((vector_size(16)));
   9 typedef union { S s[4]; V v; } U;
  10
  11 static U i[2], b, c;
  12
  13 extern int memcmp (const void *, const void *, __SIZE_TYPE__);
  14 #define assert(T) ((T) || (__builtin_trap (), 0))
  15
  16 #define TEST(E0, E1, E2, E3) \
  17   b.v = __builtin_ia32_vec_perm_v4sf (i[0].v, i[1].v, (IV){E0, E1, E2, E3}); \
  18   c.s[0] = i[0].s[E0]; \
  19   c.s[1] = i[0].s[E1]; \
  20   c.s[2] = i[0].s[E2]; \
  21   c.s[3] = i[0].s[E3]; \
  22   __asm__("" : : : "memory"); \
  23   assert (memcmp (&b, &c, sizeof(c)) == 0);
  24
  25 #include "vperm-4-1.inc"
  26
  27 int main()
  28 {
  29   i[0].s[0] = 0;
  30   i[0].s[1] = 1;
  31   i[0].s[2] = 2;
  32   i[0].s[3] = 3;
  33   i[0].s[4] = 4;
  34   i[0].s[5] = 5;
  35   i[0].s[6] = 6;
  36   i[0].s[7] = 7;
  37
  38   check();
  39   return 0;
  40 }