bjoernager/rust
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Merge commit 'b385428e3d' into subtree-update_cg_gcc_2024-03-05

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This commit is contained in:
Guillaume Gomez 2024-03-05 19:58:36 +01:00
commit 0d359efbe6
76 changed files with 7183 additions and 4278 deletions
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67
compiler/rustc_codegen_gcc/src/gcc_util.rs
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@ -1,4 +1,4 @@
#[cfg(feature="master")]
#[cfg(feature = "master")]
use gccjit::Context;
use smallvec::{smallvec, SmallVec};
@ -7,7 +7,10 @@ use rustc_middle::bug;
use rustc_session::Session;
use rustc_target::target_features::RUSTC_SPECIFIC_FEATURES;
use crate::errors::{PossibleFeature, TargetFeatureDisableOrEnable, UnknownCTargetFeature, UnknownCTargetFeaturePrefix};
use crate::errors::{
PossibleFeature, TargetFeatureDisableOrEnable, UnknownCTargetFeature,
UnknownCTargetFeaturePrefix,
};
/// The list of GCC features computed from CLI flags (`-Ctarget-cpu`, `-Ctarget-feature`,
/// `--target` and similar).
@ -44,7 +47,10 @@ pub(crate) fn global_gcc_features(sess: &Session, diagnostics: bool) -> Vec<Stri
// -Ctarget-features
let supported_features = sess.target.supported_target_features();
let mut featsmap = FxHashMap::default();
let feats = sess.opts.cg.target_feature
let feats = sess
.opts
.cg
.target_feature
.split(',')
.filter_map(|s| {
let enable_disable = match s.chars().next() {
@ -69,16 +75,14 @@ pub(crate) fn global_gcc_features(sess: &Session, diagnostics: bool) -> Vec<Stri
None
}
});
let unknown_feature =
if let Some(rust_feature) = rust_feature {
UnknownCTargetFeature {
feature,
rust_feature: PossibleFeature::Some { rust_feature },
}
let unknown_feature = if let Some(rust_feature) = rust_feature {
UnknownCTargetFeature {
feature,
rust_feature: PossibleFeature::Some { rust_feature },
}
else {
UnknownCTargetFeature { feature, rust_feature: PossibleFeature::None }
};
} else {
UnknownCTargetFeature { feature, rust_feature: PossibleFeature::None }
};
sess.dcx().emit_warn(unknown_feature);
}
@ -95,18 +99,18 @@ pub(crate) fn global_gcc_features(sess: &Session, diagnostics: bool) -> Vec<Stri
// passing requests down to GCC. This means that all in-language
// features also work on the command line instead of having two
// different names when the GCC name and the Rust name differ.
Some(to_gcc_features(sess, feature)
.iter()
.flat_map(|feat| to_gcc_features(sess, feat).into_iter())
.map(|feature| {
if enable_disable == '-' {
format!("-{}", feature)
}
else {
feature.to_string()
}
})
.collect::<Vec<_>>(),
Some(
to_gcc_features(sess, feature)
.iter()
.flat_map(|feat| to_gcc_features(sess, feat).into_iter())
.map(|feature| {
if enable_disable == '-' {
format!("-{}", feature)
} else {
feature.to_string()
}
})
.collect::<Vec<_>>(),
)
})
.flatten();
@ -184,7 +188,10 @@ pub fn to_gcc_features<'a>(sess: &Session, s: &'a str) -> SmallVec<[&'a str; 2]>
// Given a map from target_features to whether they are enabled or disabled,
// ensure only valid combinations are allowed.
pub fn check_tied_features(sess: &Session, features: &FxHashMap<&str, bool>) -> Option<&'static [&'static str]> {
pub fn check_tied_features(
sess: &Session,
features: &FxHashMap<&str, bool>,
) -> Option<&'static [&'static str]> {
for tied in sess.target.tied_target_features() {
// Tied features must be set to the same value, or not set at all
let mut tied_iter = tied.iter();
@ -199,7 +206,7 @@ pub fn check_tied_features(sess: &Session, features: &FxHashMap<&str, bool>) ->
fn arch_to_gcc(name: &str) -> &str {
match name {
"M68020" => "68020",
_ => name,
_ => name,
}
}
@ -208,15 +215,13 @@ fn handle_native(name: &str) -> &str {
return arch_to_gcc(name);
}
#[cfg(feature="master")]
#[cfg(feature = "master")]
{
// Get the native arch.
let context = Context::default();
context.get_target_info().arch().unwrap()
.to_str()
.unwrap()
context.get_target_info().arch().unwrap().to_str().unwrap()
}
#[cfg(not(feature="master"))]
#[cfg(not(feature = "master"))]
unimplemented!();
}