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// no-system-llvm
// only-x86_64
// run-pass
#![feature(asm, track_caller)]
extern "C" fn f1() -> i32 {
111
}
// The compiler will generate a shim to hide the caller location parameter.
#[track_caller]
fn f2() -> i32 {
222
}
macro_rules! call {
($func:path) => {{
let result: i32;
unsafe {
asm!("call {}", sym $func,
out("rax") result,
out("rcx") _, out("rdx") _, out("rdi") _, out("rsi") _,
out("r8") _, out("r9") _, out("r10") _, out("r11") _,
out("xmm0") _, out("xmm1") _, out("xmm2") _, out("xmm3") _,
out("xmm4") _, out("xmm5") _, out("xmm6") _, out("xmm7") _,
out("xmm8") _, out("xmm9") _, out("xmm10") _, out("xmm11") _,
out("xmm12") _, out("xmm13") _, out("xmm14") _, out("xmm15") _,
);
}
result
}}
}
fn main() {
assert_eq!(call!(f1), 111);
assert_eq!(call!(f2), 222);
}
|
