InlineAsmOperand in rustc_ast::ast - Rust (original) (raw)

Enum InlineAsmOperand

pub enum InlineAsmOperand {
    In {
        reg: InlineAsmRegOrRegClass,
        expr: P<Expr>,
    },
    Out {
        reg: InlineAsmRegOrRegClass,
        late: bool,
        expr: Option<P<Expr>>,
    },
    InOut {
        reg: InlineAsmRegOrRegClass,
        late: bool,
        expr: P<Expr>,
    },
    SplitInOut {
        reg: InlineAsmRegOrRegClass,
        late: bool,
        in_expr: P<Expr>,
        out_expr: Option<P<Expr>>,
    },
    Const {
        anon_const: AnonConst,
    },
    Sym {
        sym: InlineAsmSym,
    },
    Label {
        block: P<Block>,
    },
}

Expand description

Inline assembly operand.

E.g., out("eax") result as in asm!("mov eax, 2", out("eax") result).

Fields

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 40 bytes

Size for each variant:

In: 16 bytes
Out: 24 bytes
InOut: 24 bytes
SplitInOut: 32 bytes
Const: 16 bytes
Sym: 40 bytes
Label: 8 bytes