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Deduplicated macro code

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This commit is contained in:
Michal Sudwoj 2020-05-22 18:16:26 +02:00
parent baa801a929
commit 1070f08aab
1 changed files with 5 additions and 27 deletions
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32
src/librustc_target/asm/mod.rs
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@ -52,30 +52,6 @@ macro_rules! def_reg_class {
#[macro_use]
macro_rules! def_regs {
($arch:ident $arch_reg:ident $arch_regclass:ident {}) => {
#[allow(unreachable_code)]
#[derive(Copy, Clone, RustcEncodable, RustcDecodable, Debug, Eq, PartialEq, Hash, HashStable_Generic)]
pub enum $arch_reg {}
impl $arch_reg {
pub fn parse(
_arch: super::InlineAsmArch,
mut _has_feature: impl FnMut(&str) -> bool,
_name: &str,
) -> Result<Self, &'static str> {
Err("unknown register")
}
}
pub(super) fn fill_reg_map(
_arch: super::InlineAsmArch,
mut _has_feature: impl FnMut(&str) -> bool,
_map: &mut rustc_data_structures::fx::FxHashMap<
super::InlineAsmRegClass,
rustc_data_structures::fx::FxHashSet<super::InlineAsmReg>,
>,
) {}
};
($arch:ident $arch_reg:ident $arch_regclass:ident {
$(
$reg:ident: $class:ident $(, $extra_class:ident)* = [$reg_name:literal $(, $alias:literal)*] $(% $filter:ident)?,
@ -84,6 +60,7 @@ macro_rules! def_regs {
#error = [$($bad_reg:literal),+] => $error:literal,
)*
}) => {
#[allow(unreachable_code)]
#[derive(Copy, Clone, RustcEncodable, RustcDecodable, Debug, Eq, PartialEq, Hash, HashStable_Generic)]
#[allow(non_camel_case_types)]
pub enum $arch_reg {
@ -126,19 +103,20 @@ macro_rules! def_regs {
pub(super) fn fill_reg_map(
_arch: super::InlineAsmArch,
mut _has_feature: impl FnMut(&str) -> bool,
map: &mut rustc_data_structures::fx::FxHashMap<
_map: &mut rustc_data_structures::fx::FxHashMap<
super::InlineAsmRegClass,
rustc_data_structures::fx::FxHashSet<super::InlineAsmReg>,
>,
) {
#[allow(unused_imports)]
use super::{InlineAsmReg, InlineAsmRegClass};
$(
if $($filter(_arch, &mut _has_feature, true).is_ok() &&)? true {
if let Some(set) = map.get_mut(&InlineAsmRegClass::$arch($arch_regclass::$class)) {
if let Some(set) = _map.get_mut(&InlineAsmRegClass::$arch($arch_regclass::$class)) {
set.insert(InlineAsmReg::$arch($arch_reg::$reg));
}
$(
if let Some(set) = map.get_mut(&InlineAsmRegClass::$arch($arch_regclass::$extra_class)) {
if let Some(set) = _map.get_mut(&InlineAsmRegClass::$arch($arch_regclass::$extra_class)) {
set.insert(InlineAsmReg::$arch($arch_reg::$reg));
}
)*