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-rw-r--r--compiler/rustc_codegen_ssa/src/target_features.rs4
-rw-r--r--compiler/rustc_hir_analysis/src/check/intrinsicck.rs6
-rw-r--r--compiler/rustc_middle/src/arena.rs3
-rw-r--r--compiler/rustc_middle/src/query/mod.rs2
-rw-r--r--compiler/rustc_session/src/session.rs10
-rw-r--r--compiler/rustc_target/src/asm/aarch64.rs4
-rw-r--r--compiler/rustc_target/src/asm/arm.rs12
-rw-r--r--compiler/rustc_target/src/asm/mod.rs21
-rw-r--r--compiler/rustc_target/src/asm/riscv.rs4
-rw-r--r--compiler/rustc_target/src/asm/x86.rs10
10 files changed, 39 insertions, 37 deletions
diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs
index e59fad99ad7..0dbdf4a05e8 100644
--- a/compiler/rustc_codegen_ssa/src/target_features.rs
+++ b/compiler/rustc_codegen_ssa/src/target_features.rs
@@ -1,7 +1,7 @@
 use rustc_ast::ast;
 use rustc_attr::InstructionSetAttr;
 use rustc_data_structures::fx::FxHashMap;
-use rustc_data_structures::fx::FxHashSet;
+use rustc_data_structures::fx::FxIndexSet;
 use rustc_errors::Applicability;
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::DefId;
@@ -418,7 +418,7 @@ pub fn from_target_feature(
 
 /// Computes the set of target features used in a function for the purposes of
 /// inline assembly.
-fn asm_target_features(tcx: TyCtxt<'_>, did: DefId) -> &FxHashSet<Symbol> {
+fn asm_target_features(tcx: TyCtxt<'_>, did: DefId) -> &FxIndexSet<Symbol> {
     let mut target_features = tcx.sess.unstable_target_features.clone();
     if tcx.def_kind(did).has_codegen_attrs() {
         let attrs = tcx.codegen_fn_attrs(did);
diff --git a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs
index b1d5a27be93..172b84bafb2 100644
--- a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs
+++ b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs
@@ -1,5 +1,5 @@
 use rustc_ast::InlineAsmTemplatePiece;
-use rustc_data_structures::fx::FxHashSet;
+use rustc_data_structures::fx::FxIndexSet;
 use rustc_hir as hir;
 use rustc_middle::ty::{self, Article, FloatTy, IntTy, Ty, TyCtxt, TypeVisitableExt, UintTy};
 use rustc_session::lint;
@@ -51,7 +51,7 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> {
         template: &[InlineAsmTemplatePiece],
         is_input: bool,
         tied_input: Option<(&'tcx hir::Expr<'tcx>, Option<InlineAsmType>)>,
-        target_features: &FxHashSet<Symbol>,
+        target_features: &FxIndexSet<Symbol>,
     ) -> Option<InlineAsmType> {
         let ty = (self.get_operand_ty)(expr);
         if ty.has_non_region_infer() {
@@ -201,7 +201,7 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> {
         // (!). In that case we still need the earlier check to verify that the
         // register class is usable at all.
         if let Some(feature) = feature {
-            if !target_features.contains(&feature) {
+            if !target_features.contains(feature) {
                 let msg = &format!("`{}` target feature is not enabled", feature);
                 let mut err = self.tcx.sess.struct_span_err(expr.span, msg);
                 err.note(&format!(
diff --git a/compiler/rustc_middle/src/arena.rs b/compiler/rustc_middle/src/arena.rs
index 62e44b6298b..55ea78c0474 100644
--- a/compiler/rustc_middle/src/arena.rs
+++ b/compiler/rustc_middle/src/arena.rs
@@ -94,7 +94,8 @@ macro_rules! arena_types {
             [] object_safety_violations: rustc_middle::traits::ObjectSafetyViolation,
             [] codegen_unit: rustc_middle::mir::mono::CodegenUnit<'tcx>,
             [decode] attribute: rustc_ast::Attribute,
-            [] name_set: rustc_data_structures::fx::FxHashSet<rustc_span::symbol::Symbol>,
+            [] name_set: rustc_data_structures::unord::UnordSet<rustc_span::symbol::Symbol>,
+            [] ordered_name_set: rustc_data_structures::fx::FxIndexSet<rustc_span::symbol::Symbol>,
             [] hir_id_set: rustc_hir::HirIdSet,
 
             // Interned types
diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs
index 60f090578f5..be5aa49a0d0 100644
--- a/compiler/rustc_middle/src/query/mod.rs
+++ b/compiler/rustc_middle/src/query/mod.rs
@@ -1212,7 +1212,7 @@ rustc_queries! {
         separate_provide_extern
     }
 
-    query asm_target_features(def_id: DefId) -> &'tcx FxHashSet<Symbol> {
+    query asm_target_features(def_id: DefId) -> &'tcx FxIndexSet<Symbol> {
         desc { |tcx| "computing target features for inline asm of `{}`", tcx.def_path_str(def_id) }
     }
 
diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs
index 446ba63ed1c..0ef3b026ab0 100644
--- a/compiler/rustc_session/src/session.rs
+++ b/compiler/rustc_session/src/session.rs
@@ -11,7 +11,7 @@ use crate::{filesearch, lint};
 pub use rustc_ast::attr::MarkedAttrs;
 pub use rustc_ast::Attribute;
 use rustc_data_structures::flock;
-use rustc_data_structures::fx::{FxHashMap, FxHashSet};
+use rustc_data_structures::fx::{FxHashMap, FxIndexSet};
 use rustc_data_structures::jobserver::{self, Client};
 use rustc_data_structures::profiling::{duration_to_secs_str, SelfProfiler, SelfProfilerRef};
 use rustc_data_structures::sync::{
@@ -207,10 +207,10 @@ pub struct Session {
     pub asm_arch: Option<InlineAsmArch>,
 
     /// Set of enabled features for the current target.
-    pub target_features: FxHashSet<Symbol>,
+    pub target_features: FxIndexSet<Symbol>,
 
     /// Set of enabled features for the current target, including unstable ones.
-    pub unstable_target_features: FxHashSet<Symbol>,
+    pub unstable_target_features: FxIndexSet<Symbol>,
 }
 
 pub struct PerfStats {
@@ -1484,8 +1484,8 @@ pub fn build_session(
         ctfe_backtrace,
         miri_unleashed_features: Lock::new(Default::default()),
         asm_arch,
-        target_features: FxHashSet::default(),
-        unstable_target_features: FxHashSet::default(),
+        target_features: Default::default(),
+        unstable_target_features: Default::default(),
     };
 
     validate_commandline_args_with_session_available(&sess);
diff --git a/compiler/rustc_target/src/asm/aarch64.rs b/compiler/rustc_target/src/asm/aarch64.rs
index 28493c7700f..97132311a5c 100644
--- a/compiler/rustc_target/src/asm/aarch64.rs
+++ b/compiler/rustc_target/src/asm/aarch64.rs
@@ -1,6 +1,6 @@
 use super::{InlineAsmArch, InlineAsmType};
 use crate::spec::{RelocModel, Target};
-use rustc_data_structures::fx::FxHashSet;
+use rustc_data_structures::fx::FxIndexSet;
 use rustc_macros::HashStable_Generic;
 use rustc_span::Symbol;
 use std::fmt;
@@ -80,7 +80,7 @@ pub fn target_reserves_x18(target: &Target) -> bool {
 fn reserved_x18(
     _arch: InlineAsmArch,
     _reloc_model: RelocModel,
-    _target_features: &FxHashSet<Symbol>,
+    _target_features: &FxIndexSet<Symbol>,
     target: &Target,
     _is_clobber: bool,
 ) -> Result<(), &'static str> {
diff --git a/compiler/rustc_target/src/asm/arm.rs b/compiler/rustc_target/src/asm/arm.rs
index ec7429a3065..514e30ae020 100644
--- a/compiler/rustc_target/src/asm/arm.rs
+++ b/compiler/rustc_target/src/asm/arm.rs
@@ -1,6 +1,6 @@
 use super::{InlineAsmArch, InlineAsmType};
 use crate::spec::{RelocModel, Target};
-use rustc_data_structures::fx::FxHashSet;
+use rustc_data_structures::fx::FxIndexSet;
 use rustc_macros::HashStable_Generic;
 use rustc_span::{sym, Symbol};
 use std::fmt;
@@ -64,14 +64,14 @@ impl ArmInlineAsmRegClass {
 }
 
 // This uses the same logic as useR7AsFramePointer in LLVM
-fn frame_pointer_is_r7(target_features: &FxHashSet<Symbol>, target: &Target) -> bool {
+fn frame_pointer_is_r7(target_features: &FxIndexSet<Symbol>, target: &Target) -> bool {
     target.is_like_osx || (!target.is_like_windows && target_features.contains(&sym::thumb_mode))
 }
 
 fn frame_pointer_r11(
     arch: InlineAsmArch,
     reloc_model: RelocModel,
-    target_features: &FxHashSet<Symbol>,
+    target_features: &FxIndexSet<Symbol>,
     target: &Target,
     is_clobber: bool,
 ) -> Result<(), &'static str> {
@@ -87,7 +87,7 @@ fn frame_pointer_r11(
 fn frame_pointer_r7(
     _arch: InlineAsmArch,
     _reloc_model: RelocModel,
-    target_features: &FxHashSet<Symbol>,
+    target_features: &FxIndexSet<Symbol>,
     target: &Target,
     _is_clobber: bool,
 ) -> Result<(), &'static str> {
@@ -101,7 +101,7 @@ fn frame_pointer_r7(
 fn not_thumb1(
     _arch: InlineAsmArch,
     _reloc_model: RelocModel,
-    target_features: &FxHashSet<Symbol>,
+    target_features: &FxIndexSet<Symbol>,
     _target: &Target,
     is_clobber: bool,
 ) -> Result<(), &'static str> {
@@ -118,7 +118,7 @@ fn not_thumb1(
 fn reserved_r9(
     arch: InlineAsmArch,
     reloc_model: RelocModel,
-    target_features: &FxHashSet<Symbol>,
+    target_features: &FxIndexSet<Symbol>,
     target: &Target,
     is_clobber: bool,
 ) -> Result<(), &'static str> {
diff --git a/compiler/rustc_target/src/asm/mod.rs b/compiler/rustc_target/src/asm/mod.rs
index 70cd883be09..0dbfd426781 100644
--- a/compiler/rustc_target/src/asm/mod.rs
+++ b/compiler/rustc_target/src/asm/mod.rs
@@ -1,6 +1,6 @@
 use crate::spec::Target;
 use crate::{abi::Size, spec::RelocModel};
-use rustc_data_structures::fx::{FxHashMap, FxHashSet};
+use rustc_data_structures::fx::{FxHashMap, FxIndexSet};
 use rustc_macros::HashStable_Generic;
 use rustc_span::Symbol;
 use std::fmt;
@@ -37,13 +37,14 @@ macro_rules! def_reg_class {
 
         pub(super) fn regclass_map() -> rustc_data_structures::fx::FxHashMap<
             super::InlineAsmRegClass,
-            rustc_data_structures::fx::FxHashSet<super::InlineAsmReg>,
+            rustc_data_structures::fx::FxIndexSet<super::InlineAsmReg>,
         > {
-            use rustc_data_structures::fx::{FxHashMap, FxHashSet};
+            use rustc_data_structures::fx::FxHashMap;
+            use rustc_data_structures::fx::FxIndexSet;
             use super::InlineAsmRegClass;
             let mut map = FxHashMap::default();
             $(
-                map.insert(InlineAsmRegClass::$arch($arch_regclass::$class), FxHashSet::default());
+                map.insert(InlineAsmRegClass::$arch($arch_regclass::$class), FxIndexSet::default());
             )*
             map
         }
@@ -94,7 +95,7 @@ macro_rules! def_regs {
             pub fn validate(self,
                 _arch: super::InlineAsmArch,
                 _reloc_model: crate::spec::RelocModel,
-                _target_features: &rustc_data_structures::fx::FxHashSet<Symbol>,
+                _target_features: &rustc_data_structures::fx::FxIndexSet<Symbol>,
                 _target: &crate::spec::Target,
                 _is_clobber: bool,
             ) -> Result<(), &'static str> {
@@ -118,11 +119,11 @@ macro_rules! def_regs {
         pub(super) fn fill_reg_map(
             _arch: super::InlineAsmArch,
             _reloc_model: crate::spec::RelocModel,
-            _target_features: &rustc_data_structures::fx::FxHashSet<Symbol>,
+            _target_features: &rustc_data_structures::fx::FxIndexSet<Symbol>,
             _target: &crate::spec::Target,
             _map: &mut rustc_data_structures::fx::FxHashMap<
                 super::InlineAsmRegClass,
-                rustc_data_structures::fx::FxHashSet<super::InlineAsmReg>,
+                rustc_data_structures::fx::FxIndexSet<super::InlineAsmReg>,
             >,
         ) {
             #[allow(unused_imports)]
@@ -334,7 +335,7 @@ impl InlineAsmReg {
         self,
         arch: InlineAsmArch,
         reloc_model: RelocModel,
-        target_features: &FxHashSet<Symbol>,
+        target_features: &FxIndexSet<Symbol>,
         target: &Target,
         is_clobber: bool,
     ) -> Result<(), &'static str> {
@@ -701,9 +702,9 @@ impl fmt::Display for InlineAsmType {
 pub fn allocatable_registers(
     arch: InlineAsmArch,
     reloc_model: RelocModel,
-    target_features: &FxHashSet<Symbol>,
+    target_features: &FxIndexSet<Symbol>,
     target: &crate::spec::Target,
-) -> FxHashMap<InlineAsmRegClass, FxHashSet<InlineAsmReg>> {
+) -> FxHashMap<InlineAsmRegClass, FxIndexSet<InlineAsmReg>> {
     match arch {
         InlineAsmArch::X86 | InlineAsmArch::X86_64 => {
             let mut map = x86::regclass_map();
diff --git a/compiler/rustc_target/src/asm/riscv.rs b/compiler/rustc_target/src/asm/riscv.rs
index e41bdc9a58c..dea6d50fe2b 100644
--- a/compiler/rustc_target/src/asm/riscv.rs
+++ b/compiler/rustc_target/src/asm/riscv.rs
@@ -1,6 +1,6 @@
 use super::{InlineAsmArch, InlineAsmType};
 use crate::spec::{RelocModel, Target};
-use rustc_data_structures::fx::FxHashSet;
+use rustc_data_structures::fx::FxIndexSet;
 use rustc_macros::HashStable_Generic;
 use rustc_span::{sym, Symbol};
 use std::fmt;
@@ -55,7 +55,7 @@ impl RiscVInlineAsmRegClass {
 fn not_e(
     _arch: InlineAsmArch,
     _reloc_model: RelocModel,
-    target_features: &FxHashSet<Symbol>,
+    target_features: &FxIndexSet<Symbol>,
     _target: &Target,
     _is_clobber: bool,
 ) -> Result<(), &'static str> {
diff --git a/compiler/rustc_target/src/asm/x86.rs b/compiler/rustc_target/src/asm/x86.rs
index 5eae07f141f..3902dac7ff6 100644
--- a/compiler/rustc_target/src/asm/x86.rs
+++ b/compiler/rustc_target/src/asm/x86.rs
@@ -1,6 +1,6 @@
 use super::{InlineAsmArch, InlineAsmType};
 use crate::spec::{RelocModel, Target};
-use rustc_data_structures::fx::FxHashSet;
+use rustc_data_structures::fx::FxIndexSet;
 use rustc_macros::HashStable_Generic;
 use rustc_span::Symbol;
 use std::fmt;
@@ -147,7 +147,7 @@ impl X86InlineAsmRegClass {
 fn x86_64_only(
     arch: InlineAsmArch,
     _reloc_model: RelocModel,
-    _target_features: &FxHashSet<Symbol>,
+    _target_features: &FxIndexSet<Symbol>,
     _target: &Target,
     _is_clobber: bool,
 ) -> Result<(), &'static str> {
@@ -161,7 +161,7 @@ fn x86_64_only(
 fn high_byte(
     arch: InlineAsmArch,
     _reloc_model: RelocModel,
-    _target_features: &FxHashSet<Symbol>,
+    _target_features: &FxIndexSet<Symbol>,
     _target: &Target,
     _is_clobber: bool,
 ) -> Result<(), &'static str> {
@@ -174,7 +174,7 @@ fn high_byte(
 fn rbx_reserved(
     arch: InlineAsmArch,
     _reloc_model: RelocModel,
-    _target_features: &FxHashSet<Symbol>,
+    _target_features: &FxIndexSet<Symbol>,
     _target: &Target,
     _is_clobber: bool,
 ) -> Result<(), &'static str> {
@@ -190,7 +190,7 @@ fn rbx_reserved(
 fn esi_reserved(
     arch: InlineAsmArch,
     _reloc_model: RelocModel,
-    _target_features: &FxHashSet<Symbol>,
+    _target_features: &FxIndexSet<Symbol>,
     _target: &Target,
     _is_clobber: bool,
 ) -> Result<(), &'static str> {
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-11-03 08:13:22 +0000