2020-05-11 11:53:32 -05:00
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// only-x86_64
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// run-pass
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2021-05-14 08:22:30 -05:00
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// revisions: mirunsafeck thirunsafeck
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// [thirunsafeck]compile-flags: -Z thir-unsafeck
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2020-05-11 11:53:32 -05:00
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2021-10-27 12:37:18 -05:00
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#![feature(asm, global_asm, asm_const)]
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2020-05-11 11:53:32 -05:00
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2021-04-05 23:50:55 -05:00
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fn const_generic<const X: usize>() -> usize {
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unsafe {
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let a: usize;
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asm!("mov {}, {}", out(reg) a, const X);
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a
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}
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2020-05-11 11:53:32 -05:00
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}
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const fn constfn(x: usize) -> usize {
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x
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}
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fn main() {
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unsafe {
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let a: usize;
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asm!("mov {}, {}", out(reg) a, const 5);
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assert_eq!(a, 5);
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let b: usize;
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asm!("mov {}, {}", out(reg) b, const constfn(5));
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assert_eq!(b, 5);
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let c: usize;
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asm!("mov {}, {}", out(reg) c, const constfn(5) + constfn(5));
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assert_eq!(c, 10);
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}
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2021-04-05 23:50:55 -05:00
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let d = const_generic::<5>();
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assert_eq!(d, 5);
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2020-05-11 11:53:32 -05:00
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}
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2021-04-13 12:11:11 -05:00
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global_asm!("mov eax, {}", const 5);
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global_asm!("mov eax, {}", const constfn(5));
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global_asm!("mov eax, {}", const constfn(5) + constfn(5));
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