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Add m68k_target_feature

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Taiki Endo
2024-12-15 15:26:50 +09:00
parent b57d93d8b9
commit 56b8e66c66
6 changed files with 29 additions and 2 deletions
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compiler/rustc_feature/src/unstable.rs
+1
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@@ -332,6 +332,7 @@ pub fn internal(&self, feature: Symbol) -> bool {
(unstable, hexagon_target_feature, "1.27.0", Some(44839)),
(unstable, lahfsahf_target_feature, "1.78.0", Some(44839)),
(unstable, loongarch_target_feature, "1.73.0", Some(44839)),
(unstable, m68k_target_feature, "CURRENT_RUSTC_VERSION", Some(134328)),
(unstable, mips_target_feature, "1.27.0", Some(44839)),
(unstable, powerpc_target_feature, "1.27.0", Some(44839)),
(unstable, prfchw_target_feature, "1.78.0", Some(44839)),
compiler/rustc_span/src/symbol.rs
+1
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@@ -1190,6 +1190,7 @@
loongarch_target_feature,
loop_break_value,
lt,
m68k_target_feature,
macro_at_most_once_rep,
macro_attributes_in_derive_output,
macro_escape,
compiler/rustc_target/src/target_features.rs
+17 -1
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@@ -668,6 +668,20 @@ const fn unstable(nightly_feature: Symbol) -> StabilityUncomputed {
// tidy-alphabetical-end
];
const M68K_FEATURES: &[(&str, StabilityUncomputed, ImpliedFeatures)] = &[
// tidy-alphabetical-start
("isa-68000", unstable(sym::m68k_target_feature), &[]),
("isa-68010", unstable(sym::m68k_target_feature), &["isa-68000"]),
("isa-68020", unstable(sym::m68k_target_feature), &["isa-68010"]),
("isa-68030", unstable(sym::m68k_target_feature), &["isa-68020"]),
("isa-68040", unstable(sym::m68k_target_feature), &["isa-68030", "isa-68882"]),
("isa-68060", unstable(sym::m68k_target_feature), &["isa-68040"]),
// FPU
("isa-68881", unstable(sym::m68k_target_feature), &[]),
("isa-68882", unstable(sym::m68k_target_feature), &["isa-68881"]),
// tidy-alphabetical-end
];
/// When rustdoc is running, provide a list of all known features so that all their respective
/// primitives may be documented.
///
@@ -687,6 +701,7 @@ pub fn all_rust_features() -> impl Iterator<Item = (&'static str, StabilityUncom
.chain(LOONGARCH_FEATURES)
.chain(IBMZ_FEATURES)
.chain(SPARC_FEATURES)
.chain(M68K_FEATURES)
.cloned()
.map(|(f, s, _)| (f, s))
}
@@ -734,6 +749,7 @@ pub fn rust_target_features(
"loongarch64" => LOONGARCH_FEATURES,
"s390x" => IBMZ_FEATURES,
"sparc" | "sparc64" => SPARC_FEATURES,
"m68k" => M68K_FEATURES,
_ => &[],
}
}
@@ -751,7 +767,7 @@ pub fn features_for_correct_vector_abi(&self) -> &'static [(u64, &'static str)]
"sparc" | "sparc64" => SPARC_FEATURES_FOR_CORRECT_VECTOR_ABI,
"hexagon" => HEXAGON_FEATURES_FOR_CORRECT_VECTOR_ABI,
"mips" | "mips32r6" | "mips64" | "mips64r6" => MIPS_FEATURES_FOR_CORRECT_VECTOR_ABI,
"bpf" => &[], // no vector ABI
"bpf" | "m68k" => &[], // no vector ABI
"csky" => CSKY_FEATURES_FOR_CORRECT_VECTOR_ABI,
// FIXME: for some tier3 targets, we are overly cautious and always give warnings
// when passing args in vector registers.
tests/ui/check-cfg/target_feature.stderr
+8
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@@ -118,6 +118,14 @@ LL | cfg!(target_feature = "_UNEXPECTED_VALUE");
`hvx-length128b`
`hwdiv`
`i8mm`
`isa-68000`
`isa-68010`
`isa-68020`
`isa-68030`
`isa-68040`
`isa-68060`
`isa-68881`
`isa-68882`
`jsconv`
`lahfsahf`
`lasx`
tests/ui/target-feature/gate.rs
+1
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@@ -25,6 +25,7 @@
// gate-test-s390x_target_feature
// gate-test-sparc_target_feature
// gate-test-x87_target_feature
// gate-test-m68k_target_feature
#[target_feature(enable = "avx512bw")]
//~^ ERROR: currently unstable
tests/ui/target-feature/gate.stderr
+1 -1
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@@ -1,5 +1,5 @@
error[E0658]: the target feature `avx512bw` is currently unstable
--> $DIR/gate.rs:29:18
--> $DIR/gate.rs:30:18
|
LL | #[target_feature(enable = "avx512bw")]
| ^^^^^^^^^^^^^^^^^^^