gcc/testsuite/gcc.target/arm/mve/dlstp-int8x16.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 (int8_t *a, int8_t *b, int8_t *c, int n)
  12 {
  13   while (n > 0)
  14     {
  15       mve_pred16_t p = vctp8q (n);
  16       int8x16_t va = vldrbq_z_s8 (a, p);
  17       int8x16_t vb = vldrbq_z_s8 (b, p);
  18       int8x16_t vc = vaddq_x_s8 (va, vb, p);
  19       vstrbq_p_s8 (c, vc, p);
  20       c+=16;
  21       a+=16;
  22       b+=16;
  23       n-=16;
  24     }
  25 }
  26
  27
  28 /* { dg-final { scan-assembler-times {\tdlstp.8} 1 } } */
  29 /* { dg-final { scan-assembler-times {\tletp} 1 } } */
  30 /* { dg-final { scan-assembler-not "\tvctp" } } */
  31 /* { dg-final { scan-assembler-not "\tvpst" } } */
  32 /* { dg-final { scan-assembler-not "p0" } } */