rust/tests/assembly/asm/global_asm.rs

34 lines
814 B
Rust
Raw Normal View History

2021-04-13 12:11:11 -05:00
// only-x86_64
// only-linux
2021-04-13 12:11:11 -05:00
// assembly-output: emit-asm
// compile-flags: -C llvm-args=--x86-asm-syntax=intel
// compile-flags: -C symbol-mangling-version=v0
2021-04-13 12:11:11 -05:00
2022-10-17 16:38:37 -05:00
#![feature(asm_const)]
2021-04-13 12:11:11 -05:00
#![crate_type = "rlib"]
use std::arch::global_asm;
#[no_mangle]
fn my_func() {}
#[no_mangle]
static MY_STATIC: i32 = 0;
2021-04-13 12:11:11 -05:00
// CHECK: mov eax, eax
global_asm!("mov eax, eax");
// CHECK: mov ebx, 5
global_asm!("mov ebx, {}", const 5);
// CHECK: mov ecx, 5
global_asm!("movl ${}, %ecx", const 5, options(att_syntax));
// CHECK: call my_func
global_asm!("call {}", sym my_func);
// CHECK: lea rax, [rip + MY_STATIC]
global_asm!("lea rax, [rip + {}]", sym MY_STATIC);
// CHECK: call _RNvCsddMtV7nAi4C_10global_asm6foobar
global_asm!("call {}", sym foobar);
// CHECK: _RNvCsddMtV7nAi4C_10global_asm6foobar:
2022-10-17 16:38:37 -05:00
fn foobar() {
loop {}
}