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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/multiple-clobber-abi.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/multiple-clobber-abi.rs')
-rw-r--r-- | src/test/ui/asm/x86_64/multiple-clobber-abi.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/asm/x86_64/multiple-clobber-abi.rs b/src/test/ui/asm/x86_64/multiple-clobber-abi.rs new file mode 100644 index 000000000..513eb270e --- /dev/null +++ b/src/test/ui/asm/x86_64/multiple-clobber-abi.rs @@ -0,0 +1,35 @@ +// run-pass +// needs-asm-support +// only-x86_64 + +// Checks that multiple clobber_abi options can be used + +#![feature(asm_sym)] + +use std::arch::asm; + +extern "sysv64" fn foo(x: i32) -> i32 { + x + 16 +} + +extern "win64" fn bar(x: i32) -> i32 { + x / 2 +} + +fn main() { + let x = 8; + let y: i32; + // call `foo` with `x` as the input, and then `bar` with the output of `foo` + // and output that to `y` + unsafe { + asm!( + "call {}; mov rcx, rax; call {}", + sym foo, + sym bar, + in("rdi") x, + out("rax") y, + clobber_abi("sysv64", "win64"), + ); + } + assert_eq!((x, y), (8, 12)); +} |