gcc/testsuite/gcc.target/aarch64/simd/ext_s64_1.c

   1 /* Test the `vexts64' AArch64 SIMD intrinsic.  */
   2
   3 /* { dg-do run } */
   4 /* { dg-options "-save-temps -O3 -fno-inline" } */
   5
   6 #include "arm_neon.h"
   7
   8 extern void abort (void);
   9
  10 int
  11 main (int argc, char **argv)
  12 {
  13   int64_t arr1[] = {0};
  14   int64x1_t in1 = vld1_s64 (arr1);
  15   int64_t arr2[] = {1};
  16   int64x1_t in2 = vld1_s64 (arr2);
  17   int64x1_t actual = vext_s64 (in1, in2, 0);
  18   if (actual[0] != in1[0])
  19     abort ();
  20
  21   return 0;
  22 }
  23
  24 /* Do not scan-assembler.  An EXT instruction could be emitted, but would merely
  25    return its first argument, so it is legitimate to optimize it out.  */
  26 /* { dg-final { cleanup-saved-temps } } */