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