From 5f0c6e5539c66c251f562542cc6c1c01bcbdc75c Mon Sep 17 00:00:00 2001
From: Gary Guo <gary@garyguo.net>
Date: Mon, 22 Nov 2021 17:01:43 +0000
Subject: [PATCH] Fix allocated reg in AT&T style asm

---
 src/inline_asm.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/inline_asm.rs b/src/inline_asm.rs
index 71fbcedd1b9..706d9cdc166 100644
--- a/src/inline_asm.rs
+++ b/src/inline_asm.rs
@@ -438,6 +438,9 @@ impl<'tcx> InlineAssemblyGenerator<'_, 'tcx> {
                     generated_asm.push_str(s);
                 }
                 InlineAsmTemplatePiece::Placeholder { operand_idx, modifier, span: _ } => {
+                    if self.options.contains(InlineAsmOptions::ATT_SYNTAX) {
+                        generated_asm.push('%');
+                    }
                     self.registers[*operand_idx]
                         .unwrap()
                         .emit(&mut generated_asm, self.arch, *modifier)