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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/asm/x86_64/const.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/asm/x86_64/const.rs')
-rw-r--r-- | src/test/ui/asm/x86_64/const.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/asm/x86_64/const.rs b/src/test/ui/asm/x86_64/const.rs new file mode 100644 index 000000000..d523ae021 --- /dev/null +++ b/src/test/ui/asm/x86_64/const.rs @@ -0,0 +1,44 @@ +// only-x86_64 +// run-pass +// needs-asm-support +// revisions: mirunsafeck thirunsafeck +// [thirunsafeck]compile-flags: -Z thir-unsafeck + +#![feature(asm_const)] + +use std::arch::{asm, global_asm}; + +fn const_generic<const X: usize>() -> usize { + unsafe { + let a: usize; + asm!("mov {}, {}", out(reg) a, const X); + a + } +} + +const fn constfn(x: usize) -> usize { + x +} + +fn main() { + unsafe { + let a: usize; + asm!("mov {}, {}", out(reg) a, const 5); + assert_eq!(a, 5); + + let b: usize; + asm!("mov {}, {}", out(reg) b, const constfn(5)); + assert_eq!(b, 5); + + let c: usize; + asm!("mov {}, {}", out(reg) c, const constfn(5) + constfn(5)); + assert_eq!(c, 10); + } + + let d = const_generic::<5>(); + assert_eq!(d, 5); +} + +global_asm!("mov eax, {}", const 5); +global_asm!("mov eax, {}", const constfn(5)); +global_asm!("mov eax, {}", const constfn(5) + constfn(5)); |