gcc/testsuite/gcc.target/aarch64/target_attr_2.c

   1 /* { dg-do assemble } */
   2 /* { dg-options "-O2 -mcpu=cortex-a57 -ftree-vectorize -fdump-tree-vect-all" } */
   3
   4 /* The various ways to turn off simd availability should
   5    turn off vectorization.  */
   6
   7 __attribute__ ((target ("+nosimd")))
   8 int
   9 baz (int *a)
  10 {
  11   for (int i = 0; i < 1024; i++)
  12     a[i] += 5;
  13 }
  14
  15 __attribute__ ((target ("arch=armv8-a+nosimd")))
  16 int
  17 baz2 (int *a)
  18 {
  19   for (int i = 0; i < 1024; i++)
  20     a[i] += 5;
  21 }
  22
  23 __attribute__ ((target ("cpu=cortex-a53+nosimd")))
  24 int
  25 baz3 (int *a)
  26 {
  27   for (int i = 0; i < 1024; i++)
  28     a[i] += 5;
  29 }
  30
  31 __attribute__ ((target ("general-regs-only")))
  32 int
  33 baz4 (int *a)
  34 {
  35   for (int i = 0; i < 1024; i++)
  36     a[i] += 5;
  37 }
  38
  39 /* { dg-final { scan-tree-dump-not "vectorized 1 loops" "vect" } } */