| /* Test vqneg_s64 intrinsics work correctly. */ |
| /* { dg-do run } */ |
| /* { dg-options "--save-temps" } */ |
| |
| #include <arm_neon.h> |
| |
| extern void abort (void); |
| |
| int __attribute__ ((noinline)) |
| test_vqneg_s64 (int64x1_t passed, int64_t expected) |
| { |
| return vget_lane_s64 (vqneg_s64 (passed), 0) != expected; |
| } |
| |
| int __attribute__ ((noinline)) |
| test_vqnegd_s64 (int64_t passed, int64_t expected) |
| { |
| return vqnegd_s64 (passed) != expected; |
| } |
| |
| /* { dg-final { scan-assembler-times "sqneg\\td\[0-9\]+, d\[0-9\]+" 2 } } */ |
| |
| int |
| main (int argc, char **argv) |
| { |
| /* Basic test. */ |
| if (test_vqneg_s64 (vcreate_s64 (-1), 1)) |
| abort (); |
| if (test_vqnegd_s64 (-1, 1)) |
| abort (); |
| |
| /* Negating max int64_t. */ |
| if (test_vqneg_s64 (vcreate_s64 (0x7fffffffffffffff), 0x8000000000000001)) |
| abort (); |
| if (test_vqnegd_s64 (0x7fffffffffffffff, 0x8000000000000001)) |
| abort (); |
| |
| /* Negating min int64_t. |
| Note, exact negation cannot be represented as int64_t. */ |
| if (test_vqneg_s64 (vcreate_s64 (0x8000000000000000), 0x7fffffffffffffff)) |
| abort (); |
| if (test_vqnegd_s64 (0x8000000000000000, 0x7fffffffffffffff)) |
| abort (); |
| |
| return 0; |
| } |