bjoernager/rust
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Revert "Emit error when calling/declaring functions with unavailable vectors."

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This reverts commit 5af56cac38.
This commit is contained in:
Rémy Rakic 2024-10-25 20:42:09 +00:00
parent 6faf0bd3e5
commit bd8477b562
16 changed files with 53 additions and 448 deletions
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17
compiler/rustc_target/src/target_features.rs
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@ -522,13 +522,6 @@ pub fn all_known_features() -> impl Iterator<Item = (&'static str, Stability)> {
.map(|(f, s, _)| (f, s))
}
// These arrays represent the least-constraining feature that is required for vector types up to a
// certain size to have their "proper" ABI on each architecture.
// Note that they must be kept sorted by vector size.
const X86_FEATURES_FOR_CORRECT_VECTOR_ABI: &'static [(u64, &'static str)] =
&[(128, "sse"), (256, "avx"), (512, "avx512f")];
const AARCH64_FEATURES_FOR_CORRECT_VECTOR_ABI: &'static [(u64, &'static str)] = &[(128, "neon")];
impl super::spec::Target {
pub fn supported_target_features(
&self,
@ -550,16 +543,6 @@ impl super::spec::Target {
}
}
// Returns None if we do not support ABI checks on the given target yet.
pub fn features_for_correct_vector_abi(&self) -> Option<&'static [(u64, &'static str)]> {
match &*self.arch {
"x86" | "x86_64" => Some(X86_FEATURES_FOR_CORRECT_VECTOR_ABI),
"aarch64" => Some(AARCH64_FEATURES_FOR_CORRECT_VECTOR_ABI),
// FIXME: add support for non-tier1 architectures
_ => None,
}
}
pub fn tied_target_features(&self) -> &'static [&'static [&'static str]] {
match &*self.arch {
"aarch64" | "arm64ec" => AARCH64_TIED_FEATURES,