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
46
47
48
49
50
51
52
53
54
55
56
57
58
|
//@ add-core-stubs
//@ revisions: sparc sparcv8plus sparc64
//@[sparc] compile-flags: --target sparc-unknown-none-elf
//@[sparc] needs-llvm-components: sparc
//@[sparcv8plus] compile-flags: --target sparc-unknown-linux-gnu
//@[sparcv8plus] needs-llvm-components: sparc
//@[sparc64] compile-flags: --target sparc64-unknown-linux-gnu
//@[sparc64] needs-llvm-components: sparc
//@ needs-asm-support
#![crate_type = "rlib"]
#![feature(no_core, asm_experimental_arch)]
#![no_core]
extern crate minicore;
use minicore::*;
fn f() {
let mut x = 0;
unsafe {
// Unsupported registers
asm!("", out("g0") _);
//~^ ERROR invalid register `g0`: g0 is always zero and cannot be used as an operand for inline asm
// FIXME: see FIXME in compiler/rustc_target/src/asm/sparc.rs.
asm!("", out("g1") _);
//~^ ERROR invalid register `g1`: reserved by LLVM and cannot be used as an operand for inline asm
asm!("", out("g2") _);
asm!("", out("g3") _);
asm!("", out("g4") _);
asm!("", out("g5") _);
//[sparc,sparcv8plus]~^ ERROR cannot use register `r5`: g5 is reserved for system on SPARC32
asm!("", out("g6") _);
//~^ ERROR invalid register `g6`: reserved for system and cannot be used as an operand for inline asm
asm!("", out("g7") _);
//~^ ERROR invalid register `g7`: reserved for system and cannot be used as an operand for inline asm
asm!("", out("sp") _);
//~^ ERROR invalid register `sp`: the stack pointer cannot be used as an operand for inline asm
asm!("", out("fp") _);
//~^ ERROR invalid register `fp`: the frame pointer cannot be used as an operand for inline asm
asm!("", out("i7") _);
//~^ ERROR invalid register `i7`: the return address register cannot be used as an operand for inline asm
// Clobber-only registers
// yreg
asm!("", out("y") _); // ok
asm!("", in("y") x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("", out("y") x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("/* {} */", in(yreg) x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("/* {} */", out(yreg) _);
//~^ ERROR can only be used as a clobber
}
}
|
