Macro rustc_target::asm::def_regs
source · macro_rules! def_regs { ($arch:ident $arch_reg:ident $arch_regclass:ident { $( $reg:ident: $class:ident $(, $extra_class:ident)* = [$reg_name:literal $(, $alias:literal)*] $(% $filter:ident)?, )* $( #error = [$($bad_reg:literal),+] => $error:literal, )* }) => { ... }; }