gcc/testsuite/gcc.target/aarch64/sve/pr89007-2.c

   1 /* { dg-do assemble { target aarch64_asm_sve_ok } } */
   2 /* { dg-options "-O -ftree-vectorize -march=armv8.2-a+sve --save-temps" } */
   3 /* { dg-final { check-function-bodies "**" "" } } */
   4
   5 #define N 1024
   6 unsigned char dst[N];
   7 unsigned char in1[N];
   8 unsigned char in2[N];
   9
  10 /*
  11 **  foo:
  12 **      ...
  13 **      lsr     (z[0-9]+\.b), z[0-9]+\.b, #1
  14 **      lsr     (z[0-9]+\.b), z[0-9]+\.b, #1
  15 **      add     (z[0-9]+\.b), (\1, \2|\2, \1)
  16 **      and     (z[0-9]+)\.d, z[0-9]+\.d, z[0-9]+\.d
  17 **      and     (z[0-9]+\.b), \5\.b, #0x1
  18 **      add     z0\.b, (\3, \6|\6, \3)
  19 **      ...
  20 */
  21 void
  22 foo ()
  23 {
  24   for( int x = 0; x < N; x++ )
  25     dst[x] = (in1[x] + in2[x]) >> 1;
  26 }
  27
  28 /* { dg-final { scan-assembler-not {\tuunpklo\t} } } */
  29 /* { dg-final { scan-assembler-not {\tuunpkhi\t} } } */