bjoernager/rust
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Rollup merge of #137804 - RalfJung:backend-repr-simd-vector, r=workingjubilee

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rename BackendRepr::Vector → SimdVector

For many Rustaceans, "vector" does not imply "SIMD", so let's be more clear in this type that is used pervasively in the compiler.

r? `@workingjubilee`
This commit is contained in:
Matthias Krüger 2025-03-01 16:03:10 +01:00 • committed by GitHub
commit 3bf976542a
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32 changed files with 92 additions and 83 deletions
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2
compiler/rustc_codegen_gcc/src/intrinsic/mod.rs
View file

@ -312,7 +312,7 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc
let layout = self.layout_of(tp_ty).layout;
let _use_integer_compare = match layout.backend_repr() {
Scalar(_) | ScalarPair(_, _) => true,
Vector { .. } => false,
SimdVector { .. } => false,
Memory { .. } => {
// For rusty ABIs, small aggregates are actually passed
// as `RegKind::Integer` (see `FnAbi::adjust_for_abi`),

10
compiler/rustc_codegen_gcc/src/type_of.rs
View file

@ -63,7 +63,7 @@ fn uncached_gcc_type<'gcc, 'tcx>(
) -> Type<'gcc> {
match layout.backend_repr {
BackendRepr::Scalar(_) => bug!("handled elsewhere"),
BackendRepr::Vector { ref element, count } => {
BackendRepr::SimdVector { ref element, count } => {
let element = layout.scalar_gcc_type_at(cx, element, Size::ZERO);
let element =
// NOTE: gcc doesn't allow pointer types in vectors.
@ -178,7 +178,7 @@ pub trait LayoutGccExt<'tcx> {
impl<'tcx> LayoutGccExt<'tcx> for TyAndLayout<'tcx> {
fn is_gcc_immediate(&self) -> bool {
match self.backend_repr {
BackendRepr::Scalar(_) | BackendRepr::Vector { .. } => true,
BackendRepr::Scalar(_) | BackendRepr::SimdVector { .. } => true,
BackendRepr::ScalarPair(..) | BackendRepr::Memory { .. } => false,
}
}
@ -186,9 +186,9 @@ impl<'tcx> LayoutGccExt<'tcx> for TyAndLayout<'tcx> {
fn is_gcc_scalar_pair(&self) -> bool {
match self.backend_repr {
BackendRepr::ScalarPair(..) => true,
BackendRepr::Scalar(_) | BackendRepr::Vector { .. } | BackendRepr::Memory { .. } => {
false
}
BackendRepr::Scalar(_)
| BackendRepr::SimdVector { .. }
| BackendRepr::Memory { .. } => false,
}
}