From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 compiler/rustc_target/src/asm/wasm.rs | 47 +++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 compiler/rustc_target/src/asm/wasm.rs

(limited to 'compiler/rustc_target/src/asm/wasm.rs')

diff --git a/compiler/rustc_target/src/asm/wasm.rs b/compiler/rustc_target/src/asm/wasm.rs
new file mode 100644
index 000000000..f095b7c6e
--- /dev/null
+++ b/compiler/rustc_target/src/asm/wasm.rs
@@ -0,0 +1,47 @@
+use super::{InlineAsmArch, InlineAsmType};
+use rustc_macros::HashStable_Generic;
+use rustc_span::Symbol;
+
+def_reg_class! {
+    Wasm WasmInlineAsmRegClass {
+        local,
+    }
+}
+
+impl WasmInlineAsmRegClass {
+    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::local => {
+                types! { _: I8, I16, I32, I64, F32, F64; }
+            }
+        }
+    }
+}
+
+def_regs! {
+    // WebAssembly doesn't have registers.
+    Wasm WasmInlineAsmReg WasmInlineAsmRegClass {}
+}
-- 
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