rust/tests/ui/asm/powerpc/bad-reg.rs

125 lines
5.3 KiB
Rust

//@ revisions: powerpc powerpc64 powerpc64le aix64
//@[powerpc] compile-flags: --target powerpc-unknown-linux-gnu
//@[powerpc] needs-llvm-components: powerpc
//@[powerpc64] compile-flags: --target powerpc64-unknown-linux-gnu
//@[powerpc64] needs-llvm-components: powerpc
//@[powerpc64le] compile-flags: --target powerpc64le-unknown-linux-gnu
//@[powerpc64le] needs-llvm-components: powerpc
//@[aix64] compile-flags: --target powerpc64-ibm-aix
//@[aix64] needs-llvm-components: powerpc
//@ needs-asm-support
#![crate_type = "rlib"]
#![feature(no_core, rustc_attrs, lang_items, asm_experimental_arch)]
#![no_core]
#[lang = "sized"]
trait Sized {}
#[lang = "copy"]
trait Copy {}
impl Copy for i32 {}
#[rustc_builtin_macro]
macro_rules! asm {
() => {};
}
fn f() {
let mut x = 0;
unsafe {
// Unsupported registers
asm!("", out("sp") _);
//~^ ERROR invalid register `sp`: the stack pointer cannot be used as an operand for inline asm
asm!("", out("r2") _);
//~^ ERROR invalid register `r2`: r2 is a system reserved register and cannot be used as an operand for inline asm
asm!("", out("r13") _);
//~^ ERROR cannot use register `r13`: r13 is a reserved register on this target
asm!("", out("r29") _);
//~^ ERROR invalid register `r29`: r29 is used internally by LLVM and cannot be used as an operand for inline asm
asm!("", out("r30") _);
//~^ ERROR invalid register `r30`: r30 is used internally by LLVM and 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("lr") _);
//~^ ERROR invalid register `lr`: the link register cannot be used as an operand for inline asm
asm!("", out("ctr") _);
//~^ ERROR invalid register `ctr`: the counter register cannot be used as an operand for inline asm
asm!("", out("vrsave") _);
//~^ ERROR invalid register `vrsave`: the vrsave register cannot be used as an operand for inline asm
asm!("", out("v20") _);
asm!("", out("v21") _);
asm!("", out("v22") _);
asm!("", out("v23") _);
asm!("", out("v24") _);
asm!("", out("v25") _);
asm!("", out("v26") _);
asm!("", out("v27") _);
asm!("", out("v28") _);
asm!("", out("v29") _);
asm!("", out("v30") _);
asm!("", out("v31") _);
// Clobber-only registers
// cr
asm!("", out("cr") _); // ok
asm!("", in("cr") x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("", out("cr") x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("/* {} */", in(cr) x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("/* {} */", out(cr) _);
//~^ ERROR can only be used as a clobber
// xer
asm!("", out("xer") _); // ok
asm!("", in("xer") x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("", out("xer") x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("/* {} */", in(xer) x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("/* {} */", out(xer) _);
//~^ ERROR can only be used as a clobber
// vreg
asm!("", out("v0") _); // ok
// FIXME: will be supported in the subsequent patch: https://github.com/rust-lang/rust/pull/131551
asm!("", in("v0") x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("", out("v0") x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("/* {} */", in(vreg) x);
//~^ ERROR can only be used as a clobber
//~| ERROR type `i32` cannot be used with this register class
asm!("/* {} */", out(vreg) _);
//~^ ERROR can only be used as a clobber
// Overlapping-only registers
asm!("", out("cr") _, out("cr0") _);
//~^ ERROR register `cr0` conflicts with register `cr`
asm!("", out("cr") _, out("cr1") _);
//~^ ERROR register `cr1` conflicts with register `cr`
asm!("", out("cr") _, out("cr2") _);
//~^ ERROR register `cr2` conflicts with register `cr`
asm!("", out("cr") _, out("cr3") _);
//~^ ERROR register `cr3` conflicts with register `cr`
asm!("", out("cr") _, out("cr4") _);
//~^ ERROR register `cr4` conflicts with register `cr`
asm!("", out("cr") _, out("cr5") _);
//~^ ERROR register `cr5` conflicts with register `cr`
asm!("", out("cr") _, out("cr6") _);
//~^ ERROR register `cr6` conflicts with register `cr`
asm!("", out("cr") _, out("cr7") _);
//~^ ERROR register `cr7` conflicts with register `cr`
asm!("", out("f0") _, out("v0") _); // ok
}
}