asm
suggest changeThe asm
keyword takes a single operand, which must be a string literal. It has an implementation-defined meaning, but is typically passed to the implementation’s assembler, with the assembler’s output being incorporated into the translation unit.
The asm
statement is a definition, not an expression, so it may appear either at block scope or namespace scope (including global scope). However, since inline assembly cannot be constrained by the rules of the C++ language, asm
may not appear inside a constexpr
function.
Example:
[[noreturn]] void halt_system() {
asm("hlt");
}
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