1 files changed, 47 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/asm/spirv.rs b/compiler/rustc_target/src/asm/spirv.rs
new file mode 100644
index 000000000..31073da10
--- /dev/null
+++ b/compiler/rustc_target/src/asm/spirv.rs
@@ -0,0 +1,47 @@
+use super::{InlineAsmArch, InlineAsmType};
+use rustc_macros::HashStable_Generic;
+use rustc_span::Symbol;
+
+def_reg_class! {
+    SpirV SpirVInlineAsmRegClass {
+        reg,
+    }
+}
+
+impl SpirVInlineAsmRegClass {
+    pub fn valid_modifiers(self, _arch: super::InlineAsmArch) -> &'static [char] {
+        &[]
+    }
+
+    pub fn suggest_class(self, _arch: InlineAsmArch, _ty: InlineAsmType) -> Option<Self> {
+        None
+    }
+
+    pub fn suggest_modifier(
+        self,
+        _arch: InlineAsmArch,
+        _ty: InlineAsmType,
+    ) -> Option<(char, &'static str)> {
+        None
+    }
+
+    pub fn default_modifier(self, _arch: InlineAsmArch) -> Option<(char, &'static str)> {
+        None
+    }
+
+    pub fn supported_types(
+        self,
+        _arch: InlineAsmArch,
+    ) -> &'static [(InlineAsmType, Option<Symbol>)] {
+        match self {
+            Self::reg => {
+                types! { _: I8, I16, I32, I64, F32, F64; }
+            }
+        }
+    }
+}
+
+def_regs! {
+    // SPIR-V is SSA-based, it does not have registers.
+    SpirV SpirVInlineAsmReg SpirVInlineAsmRegClass {}
+}