Macro std::llvm_asm

macro_rules! llvm_asm {
    ("assembly template" : $("output" (operand),) * : $("input" (operand),) * :
 $("clobbers",) * : $("options",) *) => { ... };
}

👎 Deprecated since 1.56:

will be removed from the compiler, use asm! instead

🔬 This is a nightly-only experimental API. (llvm_asm #70173)

prefer using the new asm! syntax instead

LLVM 样式的内联汇编。

请阅读 unstable 书 中的用法。