gcc/testsuite/gcc.target/arm/pr51968.c

   1 /* PR target/51968 */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target arm_softfp_ok } */
   4 /* { dg-require-effective-target arm_neon_ok } */
   5 /* { dg-options "-O2 -march=armv7-a -mfloat-abi=softfp -mfpu=neon" } */
   6 #include <arm_neon.h>
   7
   8 struct T { int8x8x2_t val; };
   9 int y;
  10
  11 void
  12 foo (int8x8_t z, int8x8_t x, int16x8_t b, int8x8_t n)
  13 {
  14   if (y)
  15     {
  16       struct T m;
  17       m.val = vuzp_s8 (z, x);
  18     }
  19   for (;;)
  20     {
  21       int8x16_t g;
  22       int8x8_t h, j, k;
  23       struct T m;
  24       j = vqmovn_s16 (b);
  25       g = vcombine_s8 (j, h);
  26       k = vget_low_s8 (g);
  27       m.val = vuzp_s8 (k, n);
  28     }
  29 }