diff --git a/cranelift/entity/src/lib.rs b/cranelift/entity/src/lib.rs
index 3baba3a1d5..09054719e0 100644
--- a/cranelift/entity/src/lib.rs
+++ b/cranelift/entity/src/lib.rs
@@ -70,21 +70,25 @@ macro_rules! entity_impl {
     // Basic traits.
     ($entity:ident) => {
         impl $crate::EntityRef for $entity {
+            #[inline]
             fn new(index: usize) -> Self {
                 debug_assert!(index < ($crate::__core::u32::MAX as usize));
                 $entity(index as u32)
             }
 
+            #[inline]
             fn index(self) -> usize {
                 self.0 as usize
             }
         }
 
         impl $crate::packed_option::ReservedValue for $entity {
+            #[inline]
             fn reserved_value() -> $entity {
                 $entity($crate::__core::u32::MAX)
             }
 
+            #[inline]
             fn is_reserved_value(&self) -> bool {
                 self.0 == $crate::__core::u32::MAX
             }
@@ -93,6 +97,7 @@ macro_rules! entity_impl {
         impl $entity {
             /// Create a new instance from a `u32`.
             #[allow(dead_code)]
+            #[inline]
             pub fn from_u32(x: u32) -> Self {
                 debug_assert!(x < $crate::__core::u32::MAX);
                 $entity(x)
@@ -100,6 +105,7 @@ macro_rules! entity_impl {
 
             /// Return the underlying index value as a `u32`.
             #[allow(dead_code)]
+            #[inline]
             pub fn as_u32(self) -> u32 {
                 self.0
             }
diff --git a/crates/environ/src/module.rs b/crates/environ/src/module.rs
index 3b520475d6..dd98484118 100644
--- a/crates/environ/src/module.rs
+++ b/crates/environ/src/module.rs
@@ -448,12 +448,14 @@ impl Module {
     }
 
     /// Convert a `DefinedFuncIndex` into a `FuncIndex`.
+    #[inline]
     pub fn func_index(&self, defined_func: DefinedFuncIndex) -> FuncIndex {
         FuncIndex::new(self.num_imported_funcs + defined_func.index())
     }
 
     /// Convert a `FuncIndex` into a `DefinedFuncIndex`. Returns None if the
     /// index is an imported function.
+    #[inline]
     pub fn defined_func_index(&self, func: FuncIndex) -> Option<DefinedFuncIndex> {
         if func.index() < self.num_imported_funcs {
             None
@@ -465,17 +467,20 @@ impl Module {
     }
 
     /// Test whether the given function index is for an imported function.
+    #[inline]
     pub fn is_imported_function(&self, index: FuncIndex) -> bool {
         index.index() < self.num_imported_funcs
     }
 
     /// Convert a `DefinedTableIndex` into a `TableIndex`.
+    #[inline]
     pub fn table_index(&self, defined_table: DefinedTableIndex) -> TableIndex {
         TableIndex::new(self.num_imported_tables + defined_table.index())
     }
 
     /// Convert a `TableIndex` into a `DefinedTableIndex`. Returns None if the
     /// index is an imported table.
+    #[inline]
     pub fn defined_table_index(&self, table: TableIndex) -> Option<DefinedTableIndex> {
         if table.index() < self.num_imported_tables {
             None
@@ -487,17 +492,20 @@ impl Module {
     }
 
     /// Test whether the given table index is for an imported table.
+    #[inline]
     pub fn is_imported_table(&self, index: TableIndex) -> bool {
         index.index() < self.num_imported_tables
     }
 
     /// Convert a `DefinedMemoryIndex` into a `MemoryIndex`.
+    #[inline]
     pub fn memory_index(&self, defined_memory: DefinedMemoryIndex) -> MemoryIndex {
         MemoryIndex::new(self.num_imported_memories + defined_memory.index())
     }
 
     /// Convert a `MemoryIndex` into a `DefinedMemoryIndex`. Returns None if the
     /// index is an imported memory.
+    #[inline]
     pub fn defined_memory_index(&self, memory: MemoryIndex) -> Option<DefinedMemoryIndex> {
         if memory.index() < self.num_imported_memories {
             None
@@ -509,17 +517,20 @@ impl Module {
     }
 
     /// Test whether the given memory index is for an imported memory.
+    #[inline]
     pub fn is_imported_memory(&self, index: MemoryIndex) -> bool {
         index.index() < self.num_imported_memories
     }
 
     /// Convert a `DefinedGlobalIndex` into a `GlobalIndex`.
+    #[inline]
     pub fn global_index(&self, defined_global: DefinedGlobalIndex) -> GlobalIndex {
         GlobalIndex::new(self.num_imported_globals + defined_global.index())
     }
 
     /// Convert a `GlobalIndex` into a `DefinedGlobalIndex`. Returns None if the
     /// index is an imported global.
+    #[inline]
     pub fn defined_global_index(&self, global: GlobalIndex) -> Option<DefinedGlobalIndex> {
         if global.index() < self.num_imported_globals {
             None
@@ -531,6 +542,7 @@ impl Module {
     }
 
     /// Test whether the given global index is for an imported global.
+    #[inline]
     pub fn is_imported_global(&self, index: GlobalIndex) -> bool {
         index.index() < self.num_imported_globals
     }
diff --git a/crates/environ/src/vmoffsets.rs b/crates/environ/src/vmoffsets.rs
index 5298e82f5c..7dacbff495 100644
--- a/crates/environ/src/vmoffsets.rs
+++ b/crates/environ/src/vmoffsets.rs
@@ -44,6 +44,7 @@ fn cast_to_u32(sz: usize) -> u32 {
 }
 
 /// Align an offset used in this module to a specific byte-width by rounding up
+#[inline]
 fn align(offset: u32, width: u32) -> u32 {
     (offset + (width - 1)) / width * width
 }
diff --git a/crates/runtime/src/instance.rs b/crates/runtime/src/instance.rs
index 9273870367..bf4234f6b8 100644
--- a/crates/runtime/src/instance.rs
+++ b/crates/runtime/src/instance.rs
@@ -970,6 +970,7 @@ impl InstanceHandle {
     /// of the internals, there's no lifetime tracking around its validity.
     /// You'll need to ensure that the returned handles all go out of scope at
     /// the same time.
+    #[inline]
     pub unsafe fn clone(&self) -> InstanceHandle {
         InstanceHandle {
             instance: self.instance,
diff --git a/crates/runtime/src/vmcontext.rs b/crates/runtime/src/vmcontext.rs
index f4dffeee2c..fcb17466db 100644
--- a/crates/runtime/src/vmcontext.rs
+++ b/crates/runtime/src/vmcontext.rs
@@ -490,17 +490,20 @@ mod test_vmshared_signature_index {
 
 impl VMSharedSignatureIndex {
     /// Create a new `VMSharedSignatureIndex`.
+    #[inline]
     pub fn new(value: u32) -> Self {
         Self(value)
     }
 
     /// Returns the underlying bits of the index.
+    #[inline]
     pub fn bits(&self) -> u32 {
         self.0
     }
 }
 
 impl Default for VMSharedSignatureIndex {
+    #[inline]
     fn default() -> Self {
         Self::new(u32::MAX)
     }