Rollup of 14 pull requests

Cargo.lock

@@ -376,12 +376,41 @@ version = "3.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "46c5e41b57b8bba42a04676d81cb89e9ee8e859a1a66f80a5a72e1cb76b34d43"
 
+[[package]]
+name = "bytecheck"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0caa33a2c0edca0419d15ac723dff03f1956f7978329b1e3b5fdaaaed9d3ca8b"
+dependencies = [
+ "bytecheck_derive",
+ "ptr_meta",
+ "rancor",
+ "simdutf8",
+]
+
+[[package]]
+name = "bytecheck_derive"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89385e82b5d1821d2219e0b095efa2cc1f246cbf99080f3be46a1a85c0d392d9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.110",
+]
+
 [[package]]
 name = "bytecount"
 version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "175812e0be2bccb6abe50bb8d566126198344f707e304f45c648fd8f2cc0365e"
 
+[[package]]
+name = "bytes"
+version = "1.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
+
 [[package]]
 name = "camino"
 version = "1.2.1"
@@ -2476,6 +2505,26 @@ dependencies = [
 name = "miropt-test-tools"
 version = "0.1.0"
 
+[[package]]
+name = "munge"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e17401f259eba956ca16491461b6e8f72913a0a114e39736ce404410f915a0c"
+dependencies = [
+ "munge_macro",
+]
+
+[[package]]
+name = "munge_macro"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4568f25ccbd45ab5d5603dc34318c1ec56b117531781260002151b8530a9f931"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.110",
+]
+
 [[package]]
 name = "new_debug_unreachable"
 version = "1.0.6"
@@ -3047,6 +3096,26 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "ptr_meta"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b9a0cf95a1196af61d4f1cbdab967179516d9a4a4312af1f31948f8f6224a79"
+dependencies = [
+ "ptr_meta_derive",
+]
+
+[[package]]
+name = "ptr_meta_derive"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7347867d0a7e1208d93b46767be83e2b8f978c3dad35f775ac8d8847551d6fe1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.110",
+]
+
 [[package]]
 name = "pulldown-cmark"
 version = "0.11.3"
@@ -3092,6 +3161,15 @@ version = "5.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
+[[package]]
+name = "rancor"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a063ea72381527c2a0561da9c80000ef822bdd7c3241b1cc1b12100e3df081ee"
+dependencies = [
+ "ptr_meta",
+]
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -3275,6 +3353,15 @@ dependencies = [
 name = "remote-test-server"
 version = "0.1.0"
 
+[[package]]
+name = "rend"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cadadef317c2f20755a64d7fdc48f9e7178ee6b0e1f7fce33fa60f1d68a276e6"
+dependencies = [
+ "bytecheck",
+]
+
 [[package]]
 name = "replace-version-placeholder"
 version = "0.1.0"
@@ -3283,6 +3370,36 @@ dependencies = [
  "walkdir",
 ]
 
+[[package]]
+name = "rkyv"
+version = "0.8.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a30e631b7f4a03dee9056b8ef6982e8ba371dd5bedb74d3ec86df4499132c70"
+dependencies = [
+ "bytecheck",
+ "bytes",
+ "hashbrown 0.16.1",
+ "indexmap",
+ "munge",
+ "ptr_meta",
+ "rancor",
+ "rend",
+ "rkyv_derive",
+ "tinyvec",
+ "uuid",
+]
+
+[[package]]
+name = "rkyv_derive"
+version = "0.8.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8100bb34c0a1d0f907143db3149e6b4eea3c33b9ee8b189720168e818303986f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.110",
+]
+
 [[package]]
 name = "run_make_support"
 version = "0.0.0"
@@ -4790,6 +4907,7 @@ name = "rustdoc-json-types"
 version = "0.1.0"
 dependencies = [
  "bincode",
+ "rkyv",
  "rustc-hash 2.1.1",
  "serde",
  "serde_derive",
@@ -5128,6 +5246,12 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
 
+[[package]]
+name = "simdutf8"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
+
 [[package]]
 name = "similar"
 version = "2.7.0"

compiler/rustc_abi/src/callconv.rs

@@ -83,7 +83,7 @@ impl<'a, Ty> TyAndLayout<'a, Ty> {
                 }))
             }
 
-            BackendRepr::ScalableVector { .. } => {
+            BackendRepr::SimdScalableVector { .. } => {
                 unreachable!("`homogeneous_aggregate` should not be called for scalable vectors")
             }
 

compiler/rustc_abi/src/layout.rs

@@ -210,7 +210,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         VariantIdx: Idx,
         F: AsRef<LayoutData<FieldIdx, VariantIdx>> + fmt::Debug,
     {
-        vector_type_layout(VectorKind::Scalable, self.cx.data_layout(), element, count)
+        vector_type_layout(SimdVectorKind::Scalable, self.cx.data_layout(), element, count)
     }
 
     pub fn simd_type<FieldIdx, VariantIdx, F>(
@@ -224,7 +224,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         VariantIdx: Idx,
         F: AsRef<LayoutData<FieldIdx, VariantIdx>> + fmt::Debug,
     {
-        let kind = if repr_packed { VectorKind::PackedFixed } else { VectorKind::Fixed };
+        let kind = if repr_packed { SimdVectorKind::PackedFixed } else { SimdVectorKind::Fixed };
         vector_type_layout(kind, self.cx.data_layout(), element, count)
     }
 
@@ -484,7 +484,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
                 BackendRepr::Scalar(..)
                 | BackendRepr::ScalarPair(..)
                 | BackendRepr::SimdVector { .. }
-                | BackendRepr::ScalableVector { .. }
+                | BackendRepr::SimdScalableVector { .. }
                 | BackendRepr::Memory { .. } => repr,
             },
         };
@@ -557,7 +557,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
                     hide_niches(b);
                 }
                 BackendRepr::SimdVector { element, .. }
-                | BackendRepr::ScalableVector { element, .. } => hide_niches(element),
+                | BackendRepr::SimdScalableVector { element, .. } => hide_niches(element),
                 BackendRepr::Memory { sized: _ } => {}
             }
             st.largest_niche = None;
@@ -1524,7 +1524,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
     }
 }
 
-enum VectorKind {
+enum SimdVectorKind {
     /// `#[rustc_scalable_vector]`
     Scalable,
     /// `#[repr(simd, packed)]`
@@ -1534,7 +1534,7 @@ enum VectorKind {
 }
 
 fn vector_type_layout<FieldIdx, VariantIdx, F>(
-    kind: VectorKind,
+    kind: SimdVectorKind,
     dl: &TargetDataLayout,
     element: F,
     count: u64,
@@ -1559,16 +1559,16 @@ where
     let size =
         elt.size.checked_mul(count, dl).ok_or_else(|| LayoutCalculatorError::SizeOverflow)?;
     let (repr, align) = match kind {
-        VectorKind::Scalable => {
-            (BackendRepr::ScalableVector { element, count }, dl.llvmlike_vector_align(size))
+        SimdVectorKind::Scalable => {
+            (BackendRepr::SimdScalableVector { element, count }, dl.llvmlike_vector_align(size))
         }
         // Non-power-of-two vectors have padding up to the next power-of-two.
         // If we're a packed repr, remove the padding while keeping the alignment as close
         // to a vector as possible.
-        VectorKind::PackedFixed if !count.is_power_of_two() => {
+        SimdVectorKind::PackedFixed if !count.is_power_of_two() => {
             (BackendRepr::Memory { sized: true }, Align::max_aligned_factor(size))
         }
-        VectorKind::PackedFixed | VectorKind::Fixed => {
+        SimdVectorKind::PackedFixed | SimdVectorKind::Fixed => {
             (BackendRepr::SimdVector { element, count }, dl.llvmlike_vector_align(size))
         }
     };

compiler/rustc_abi/src/lib.rs

@@ -1731,7 +1731,7 @@ impl AddressSpace {
 pub enum BackendRepr {
     Scalar(Scalar),
     ScalarPair(Scalar, Scalar),
-    ScalableVector {
+    SimdScalableVector {
         element: Scalar,
         count: u64,
     },
@@ -1758,7 +1758,7 @@ impl BackendRepr {
             // fully implemented, scalable vectors will remain `Sized`, they just won't be
             // `const Sized` - whether `is_unsized` continues to return `false` at that point will
             // need to be revisited and will depend on what `is_unsized` is used for.
-            | BackendRepr::ScalableVector { .. }
+            | BackendRepr::SimdScalableVector { .. }
             | BackendRepr::SimdVector { .. } => false,
             BackendRepr::Memory { sized } => !sized,
         }
@@ -1801,7 +1801,7 @@ impl BackendRepr {
             // The align of a Vector can vary in surprising ways
             BackendRepr::SimdVector { .. }
             | BackendRepr::Memory { .. }
-            | BackendRepr::ScalableVector { .. } => None,
+            | BackendRepr::SimdScalableVector { .. } => None,
         }
     }
 
@@ -1825,7 +1825,7 @@ impl BackendRepr {
             // The size of a Vector can vary in surprising ways
             BackendRepr::SimdVector { .. }
             | BackendRepr::Memory { .. }
-            | BackendRepr::ScalableVector { .. } => None,
+            | BackendRepr::SimdScalableVector { .. } => None,
         }
     }
 
@@ -1840,8 +1840,8 @@ impl BackendRepr {
                 BackendRepr::SimdVector { element: element.to_union(), count }
             }
             BackendRepr::Memory { .. } => BackendRepr::Memory { sized: true },
-            BackendRepr::ScalableVector { element, count } => {
-                BackendRepr::ScalableVector { element: element.to_union(), count }
+            BackendRepr::SimdScalableVector { element, count } => {
+                BackendRepr::SimdScalableVector { element: element.to_union(), count }
             }
         }
     }
@@ -2085,7 +2085,7 @@ impl<FieldIdx: Idx, VariantIdx: Idx> LayoutData<FieldIdx, VariantIdx> {
         match self.backend_repr {
             BackendRepr::Scalar(_)
             | BackendRepr::SimdVector { .. }
-            | BackendRepr::ScalableVector { .. } => false,
+            | BackendRepr::SimdScalableVector { .. } => false,
             BackendRepr::ScalarPair(..) | BackendRepr::Memory { .. } => true,
         }
     }
@@ -2182,13 +2182,13 @@ impl<FieldIdx: Idx, VariantIdx: Idx> LayoutData<FieldIdx, VariantIdx> {
 
     /// Returns `true` if the size of the type is only known at runtime.
     pub fn is_runtime_sized(&self) -> bool {
-        matches!(self.backend_repr, BackendRepr::ScalableVector { .. })
+        matches!(self.backend_repr, BackendRepr::SimdScalableVector { .. })
     }
 
     /// Returns the elements count of a scalable vector.
     pub fn scalable_vector_element_count(&self) -> Option<u64> {
         match self.backend_repr {
-            BackendRepr::ScalableVector { count, .. } => Some(count),
+            BackendRepr::SimdScalableVector { count, .. } => Some(count),
             _ => None,
         }
     }
@@ -2201,7 +2201,7 @@ impl<FieldIdx: Idx, VariantIdx: Idx> LayoutData<FieldIdx, VariantIdx> {
         match self.backend_repr {
             BackendRepr::Scalar(_)
             | BackendRepr::ScalarPair(..)
-            | BackendRepr::ScalableVector { .. }
+            | BackendRepr::SimdScalableVector { .. }
             | BackendRepr::SimdVector { .. } => false,
             BackendRepr::Memory { sized } => sized && self.size.bytes() == 0,
         }