From 611a375a524fcdee098ae7fae00c5498ff0d1465 Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Wed, 29 Dec 2021 01:58:27 -0800
Subject: stxrb memory operand error

---
 src/armv8/a64.rs  |  4 ++--
 test/armv8/a64.rs | 14 ++++++++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/armv8/a64.rs b/src/armv8/a64.rs
index 9d94c1a..8b96f60 100644
--- a/src/armv8/a64.rs
+++ b/src/armv8/a64.rs
@@ -6844,14 +6844,14 @@ impl Decoder<ARMv8> for InstDecoder {
                                     inst.operands = [
                                         Operand::Register(SizeCode::W, Rs),
                                         Operand::Register(SizeCode::W, Rt),
-                                        Operand::RegisterOrSP(SizeCode::X, Rn),
+                                        Operand::RegOffset(Rn, 0),
                                         Operand::Nothing,
                                     ];
                                 } else if Lo1 == 0b10 {
                                     // load ops
                                     inst.operands = [
                                         Operand::Register(SizeCode::W, Rt),
-                                        Operand::RegisterOrSP(SizeCode::X, Rn),
+                                        Operand::RegOffset(Rn, 0),
                                         Operand::Nothing,
                                         Operand::Nothing,
                                     ];
diff --git a/test/armv8/a64.rs b/test/armv8/a64.rs
index be1f486..c7bddf7 100644
--- a/test/armv8/a64.rs
+++ b/test/armv8/a64.rs
@@ -4355,6 +4355,20 @@ fn test_weird_str() {
 }
 
 #[test]
+fn test_mismatches() {
+    const TESTS: &[([u8; 4], &'static str)] = &[
+        ([0x00, 0x00, 0x00, 0x08], "stxrb w0, w0, [x0]"),
+    ];
+    let errs = run_tests(TESTS);
+
+    for err in errs.iter() {
+        println!("{}", err);
+    }
+
+    assert!(errs.is_empty());
+}
+
+#[test]
 fn test_cas() {
     const TESTS: &[([u8; 4], &'static str)] = &[
         ([0x20, 0x7c, 0x20, 0x08], "casp w0, w1, w0, w1, [x1]"),
-- 
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