gcc/testsuite/gcc.target/arm/mve/dlstp-int16x8.c

   1 /* { dg-do compile { target { arm*-*-* } } } */
   2 /* { dg-require-effective-target arm_v8_1m_mve_ok } */
   3 /* { dg-options "-O2 -save-temps" } */
   4 /* { dg-add-options arm_v8_1m_mve } */
   5
   6 #include <arm_mve.h>
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include "../lob.h"
  10
  11 void  __attribute__ ((noinline)) test (int16_t *a, int16_t *b, int16_t *c, int n)
  12 {
  13   while (n > 0)
  14     {
  15       mve_pred16_t p = vctp16q (n);
  16       int16x8_t va = vldrhq_z_s16 (a, p);
  17       int16x8_t vb = vldrhq_z_s16 (b, p);
  18       int16x8_t vc = vaddq_x_s16 (va, vb, p);
  19       vstrhq_p_s16 (c, vc, p);
  20       c+=8;
  21       a+=8;
  22       b+=8;
  23       n-=8;
  24     }
  25 }
  26
  27 /* { dg-final { scan-assembler-times {\tdlstp.16} 1 } } */
  28 /* { dg-final { scan-assembler-times {\tletp} 1 } } */
  29 /* { dg-final { scan-assembler-not "\tvctp" } } */
  30 /* { dg-final { scan-assembler-not "\tvpst" } } */
  31 /* { dg-final { scan-assembler-not "p0" } } */