| /* Test the atomic exchange expansion, generic addressing. */ |
| |
| /* { dg-do compile } */ |
| /* { dg-options "-Wno-long-long" } */ |
| |
| enum memmodel |
| { |
| MEMMODEL_SEQ_CST = 5 |
| }; |
| |
| unsigned char *u8; |
| unsigned short *u16; |
| unsigned int *u32; |
| unsigned long long int *u64; |
| |
| int |
| main() |
| { |
| __atomic_exchange_n (u8, 0, MEMMODEL_SEQ_CST); |
| __atomic_exchange_n (u16, 0, MEMMODEL_SEQ_CST); |
| __atomic_exchange_n (u32, 0, MEMMODEL_SEQ_CST); |
| __atomic_exchange_n (u64, 0, MEMMODEL_SEQ_CST); |
| |
| return 0; |
| } |
| |
| /* Not ptx-native, fallback to libatomic. */ |
| /* { dg-final { scan-assembler-times "(?n)call .* __atomic_exchange_1" 1 } } */ |
| /* { dg-final { scan-assembler-times "(?n)call .* __atomic_exchange_2" 1 } } */ |
| |
| /* { dg-final { scan-assembler-times "atom.exch.b32" 1 } } */ |
| /* { dg-final { scan-assembler-times "atom.exch.b64" 1 } } */ |
| /* { dg-final { scan-assembler-times "membar.sys" 4 } } */ |
