1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
//@ add-core-stubs
//@ needs-asm-support
//@ revisions: loongarch64_lp64d loongarch64_lp64s
//@[loongarch64_lp64d] compile-flags: --target loongarch64-unknown-linux-gnu
//@[loongarch64_lp64d] needs-llvm-components: loongarch
//@[loongarch64_lp64s] compile-flags: --target loongarch64-unknown-none-softfloat
//@[loongarch64_lp64s] needs-llvm-components: loongarch
#![crate_type = "lib"]
#![feature(no_core)]
#![no_core]
extern crate minicore;
use minicore::*;
fn f() {
let mut x = 0;
let mut f = 0.0_f32;
let mut d = 0.0_f64;
unsafe {
// Unsupported registers
asm!("", out("$r0") _);
//~^ ERROR constant zero cannot be used as an operand for inline asm
asm!("", out("$tp") _);
//~^ ERROR invalid register `$tp`: reserved for TLS
asm!("", out("$sp") _);
//~^ ERROR invalid register `$sp`: the stack pointer cannot be used as an operand for inline asm
asm!("", out("$r21") _);
//~^ ERROR invalid register `$r21`: reserved by the ABI
asm!("", out("$fp") _);
//~^ ERROR invalid register `$fp`: the frame pointer cannot be used as an operand for inline asm
asm!("", out("$r31") _);
//~^ ERROR invalid register `$r31`: $r31 is used internally by LLVM and cannot be used as an operand for inline asm
asm!("", out("$f0") _); // ok
asm!("/* {} */", in(freg) f);
//[loongarch64_lp64s]~^ ERROR register class `freg` requires at least one of the following target features: d, f
asm!("/* {} */", out(freg) _);
//[loongarch64_lp64s]~^ ERROR register class `freg` requires at least one of the following target features: d, f
asm!("/* {} */", in(freg) d);
//[loongarch64_lp64s]~^ ERROR register class `freg` requires at least one of the following target features: d, f
asm!("/* {} */", out(freg) d);
//[loongarch64_lp64s]~^ ERROR register class `freg` requires at least one of the following target features: d, f
}
}
|
