diff options
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)); +} |