| //@ run-pass |
| //@ reference: asm.operand-type.supported-operands.label |
| //@ revisions: aarch64 arm arm64ec riscv32 riscv64 x86 x86_64 |
| //@ needs-asm-support |
| //@[aarch64] only-aarch64 |
| //@[arm64ec] only-arm64ec |
| //@[arm] only-arm |
| //@[riscv32] only-riscv32 |
| //@[riscv64] only-riscv64 |
| //@[x86] only-x86 |
| //@[x86_64] only-x86_64 |
| |
| #[cfg(any(aarch64, arm, arm64ec))] |
| fn make_true(value: &mut bool) { |
| unsafe { |
| core::arch::asm!( |
| "b {}", |
| label { |
| *value = true; |
| } |
| ); |
| } |
| } |
| |
| #[cfg(any(riscv32, riscv64))] |
| fn make_true(value: &mut bool) { |
| unsafe { |
| core::arch::asm!( |
| "j {}", |
| label { |
| *value = true; |
| } |
| ); |
| } |
| } |
| |
| #[cfg(any(x86, x86_64))] |
| fn make_true(value: &mut bool) { |
| unsafe { |
| core::arch::asm!( |
| "jmp {}", |
| label { |
| *value = true; |
| } |
| ); |
| } |
| } |
| |
| fn main() { |
| let mut value = false; |
| make_true(&mut value); |
| assert!(value); |
| } |
