gcc/testsuite/gcc.target/arm/neon-modes-3.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target arm_neon_ok } */
   3 /* { dg-options "-O -g" } */
   4 /* { dg-add-options arm_neon } */
   5
   6 #include <arm_neon.h>
   7
   8 void f1 (volatile float32x4_t *dest, volatile float32x4x4_t *src, int n)
   9 {
  10   float32x4x4_t a5, a6, a7, a8, a9;
  11   int i;
  12
  13   a5 = *src;
  14   a6 = *src;
  15   a7 = *src;
  16   a8 = *src;
  17   a9 = *src;
  18   while (n--)
  19     {
  20       for (i = 0; i < 8; i++)
  21         {
  22           float32x4x4_t a0, a1, a2, a3, a4;
  23
  24           a0 = *src;
  25           a1 = *src;
  26           a2 = *src;
  27           a3 = *src;
  28           a4 = *src;
  29           *src = a0;
  30           *dest = a0.val[0];
  31           *dest = a0.val[3];
  32           *src = a1;
  33           *dest = a1.val[0];
  34           *dest = a1.val[3];
  35           *src = a2;
  36           *dest = a2.val[0];
  37           *dest = a2.val[3];
  38           *src = a3;
  39           *dest = a3.val[0];
  40           *dest = a3.val[3];
  41           *src = a4;
  42           *dest = a4.val[0];
  43           *dest = a4.val[3];
  44         }
  45       *src = a5;
  46       *dest = a5.val[0];
  47       *dest = a5.val[3];
  48       *src = a6;
  49       *dest = a6.val[0];
  50       *dest = a6.val[3];
  51       *src = a7;
  52       *dest = a7.val[0];
  53       *dest = a7.val[3];
  54       *src = a8;
  55       *dest = a8.val[0];
  56       *dest = a8.val[3];
  57       *src = a9;
  58       *dest = a9.val[0];
  59       *dest = a9.val[3];
  60     }
  61 }