more pop

2 files changed, 13 insertions, 0 deletions

diff --git a/src/long_mode/mod.rs b/src/long_mode/mod.rs
index e79c8cb..4ef7a04 100644
--- a/src/long_mode/mod.rs
+++ b/src/long_mode/mod.rs
@@ -5982,6 +5982,17 @@ fn read_operands<T: Iterator<Item=u8>>(decoder: &InstDecoder, mut bytes_iter: T,
             ][r as usize];
             instruction.operand_count = 1;
         }
+        OperandCode::ModRM_0x8f_Ev => {
+            instruction.operands[0] = mem_oper;
+            let r = (modrm >> 3) & 7;
+            if r >= 1 {
+                return Err(DecodeError::InvalidOpcode);
+            }
+            instruction.opcode = [
+                Opcode::POP,
+            ][r as usize];
+            instruction.operand_count = 1;
+        }
         OperandCode::ModRM_0xff_Ev => {
             instruction.operands[0] = mem_oper;
             let r = (modrm >> 3) & 7;
diff --git a/test/long_mode/mod.rs b/test/long_mode/mod.rs
index 0d81d02..291efd4 100644
--- a/test/long_mode/mod.rs
+++ b/test/long_mode/mod.rs
@@ -1132,6 +1132,8 @@ fn test_push_pop() {
     test_display(&[0x5b], "pop rbx");
     test_display(&[0x41, 0x5e], "pop r14");
     test_display(&[0x68, 0x7f, 0x63, 0xc4, 0x00], "push 0xc4637f");
+    test_display(&[0x66, 0x8f, 0x00], "pop [rax]");
+    test_display(&[0x8f, 0x00], "pop [rax]");
 }
 
 #[test]