gcc/testsuite/gcc.target/i386/pr59501-5.c

   1 /* PR target/59501 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2 -mavx -mno-accumulate-outgoing-args" } */
   4 /* { dg-require-effective-target avx } */
   5
   6 #define CHECK_H "avx-check.h"
   7 #define TEST avx_test
   8
   9 #include CHECK_H
  10
  11 typedef double V __attribute__ ((vector_size (32)));
  12
  13 __attribute__((noinline, noclone)) void
  14 bar (char *p)
  15 {
  16   p[0] = 1;
  17   p[37] = 2;
  18   asm volatile ("" : : "r" (p) : "memory");
  19 }
  20
  21 __attribute__((noinline, noclone)) V
  22 foo (double *x, int a, int b, int c, int d, int e, int f, unsigned *y)
  23 {
  24   bar (__builtin_alloca (a + b + c + d + e + f));
  25   V r = { x[y[0]], x[y[1]], x[y[2]], x[y[3]] };
  26   return r;
  27 }
  28
  29 static void
  30 TEST (void)
  31 {
  32   double a[16];
  33   unsigned b[4] = { 5, 0, 15, 7 };
  34   int i;
  35   for (i = 0; i < 16; i++)
  36     a[i] = 0.5 + i;
  37   V v = foo (a, 0, 30, 0, 0, 8, 0, b);
  38   if (v[0] != 5.5 || v[1] != 0.5 || v[2] != 15.5 || v[3] != 7.5)
  39     __builtin_abort ();
  40 }