gcc/testsuite/gcc.target/aarch64/sve/var_stride_5.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize" } */
   3
   4 #define TYPE double
   5 #define SIZE 257
   6
   7 void __attribute__ ((weak))
   8 f (TYPE *x, TYPE *y, long n, long m __attribute__((unused)))
   9 {
  10   for (int i = 0; i < SIZE; ++i)
  11     x[i * n] += y[i * n];
  12 }
  13
  14 /* { dg-final { scan-assembler {\tld1d\tz[0-9]+} } } */
  15 /* { dg-final { scan-assembler {\tst1d\tz[0-9]+} } } */
  16 /* { dg-final { scan-assembler {\tldr\td[0-9]+} } } */
  17 /* { dg-final { scan-assembler {\tstr\td[0-9]+} } } */
  18 /* Should multiply by (VF-1)*8 rather than (257-1)*8.  */
  19 /* { dg-final { scan-assembler-not {, 2048} } } */
  20 /* { dg-final { scan-assembler-not {\t.bfiz\t} } } */
  21 /* { dg-final { scan-assembler-not {lsl[^\n]*[, ]11} } } */
  22 /* { dg-final { scan-assembler {\tcmp\tx[0-9]+, 0} } } */
  23 /* { dg-final { scan-assembler-not {\tcmp\tw[0-9]+, 0} } } */
  24 /* { dg-final { scan-assembler-times {\tcsel\tx[0-9]+} 2 } } */
  25 /* Two range checks and a check for n being zero.  */
  26 /* { dg-final { scan-assembler {\tcmp\t} } } */
  27 /* { dg-final { scan-assembler-times {\tccmp\t} 2 } } */