diff options
| -rw-r--r-- | sysdeps/unix/sysv/linux/riscv/atomic-machine.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/riscv/atomic-machine.h b/sysdeps/unix/sysv/linux/riscv/atomic-machine.h index c1c9d949a0..90283d9746 100644 --- a/sysdeps/unix/sysv/linux/riscv/atomic-machine.h +++ b/sysdeps/unix/sysv/linux/riscv/atomic-machine.h @@ -178,4 +178,7 @@ # error "ISAs that do not subsume the A extension are not supported" #endif /* !__riscv_atomic */ +/* Execute a PAUSE hint when spinning. */ +#define atomic_spin_nop() __asm(".insn i 0x0f, 0, x0, x0, 0x010") + #endif /* bits/atomic.h */ |