22 lines
444 B
Rust
22 lines
444 B
Rust
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// compile-flags: --target thumbv6m-none-eabi
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// needs-llvm-components: arm
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// needs-asm-support
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#![feature(no_core, lang_items, rustc_attrs)]
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#![no_core]
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#![crate_type = "rlib"]
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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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#[lang = "sized"]
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trait Sized {}
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pub fn foo() {
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unsafe {
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asm!("", in("r8") 0);
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//~^ cannot use register `r8`: high registers (r8+) can only be used as clobbers in Thumb-1 code
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}
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}
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