38 lines
833 B
Rust
38 lines
833 B
Rust
// check-pass
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// ignore-android
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// ignore-arm
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// ignore-aarch64
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// ignore-s390x
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// ignore-emscripten
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// ignore-powerpc
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// ignore-powerpc64
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// ignore-powerpc64le
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// ignore-riscv64
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// ignore-sparc
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// ignore-sparc64
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// ignore-mips
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// ignore-mips64
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// ignore-e2k64
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#![feature(llvm_asm)]
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#[cfg(any(target_arch = "x86",
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target_arch = "x86_64"))]
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fn main() {
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// assignment not dead
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let mut x: isize = 0;
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unsafe {
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// extra colon
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llvm_asm!("mov $1, $0" : "=r"(x) : "r"(5_usize), "0"(x) : : "cc");
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//~^ WARNING unrecognized option
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}
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assert_eq!(x, 5);
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unsafe {
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// comma in place of a colon
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llvm_asm!("add $2, $1; mov $1, $0" : "=r"(x) : "r"(x), "r"(8_usize) : "cc", "volatile");
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//~^ WARNING expected a clobber, found an option
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}
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assert_eq!(x, 13);
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}
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