gcc/testsuite/gcc.target/arm/attr-neon3.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target arm_crypto_ok } */
   3 /* { dg-require-effective-target arm_fp_ok } */
   4 /* { dg-options "-O2" } */
   5 /* { dg-add-options arm_fp } */
   6
   7 /* Reset fpu to a value compatible with the next pragmas.  */
   8 #pragma GCC target ("fpu=vfp")
   9 #pragma GCC push_options
  10
  11 #include <arm_neon.h>
  12
  13 /* Check that neon is used.  */
  14 int8x8_t __attribute__ ((target("fpu=neon")))
  15 my (int8x8_t __a, int8x8_t __b)
  16 {
  17   return __a + __b;
  18 }
  19
  20 /* Check that crypto builtins are recognized.  */
  21 poly128_t __attribute__ ((target("fpu=crypto-neon-fp-armv8")))
  22 foo (poly128_t* ptr)
  23 {
  24   return vldrq_p128 (ptr);
  25 }
  26
  27 /* Check that default mode is restored.  */
  28 int8x8_t
  29 my1 (int8x8_t __a, int8x8_t __b)
  30 {
  31   return __a + __b;
  32 }
  33
  34 /* { dg-final { scan-assembler-times "\.fpu vfp" 1 } } */
  35 /* { dg-final { scan-assembler-times "\.fpu neon" 1 } } */
  36 /* { dg-final { scan-assembler-times "\.fpu crypto-neon-fp-armv8" 1 } } */
  37 /* { dg-final { scan-assembler-times "vld1" 1 } } */
  38 /* { dg-final { scan-assembler-times "vadd" 1} } */