diff --git a/llvm/test/tools/llvm-objdump/ELF/AArch64/disassemble-align.s b/llvm/test/tools/llvm-objdump/ELF/AArch64/disassemble-align.s
new file mode 100644
--- /dev/null
+++ b/llvm/test/tools/llvm-objdump/ELF/AArch64/disassemble-align.s
@@ -0,0 +1,12 @@
+# RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t
+# RUN: llvm-objdump -d %t | tr '\t' '|' | FileCheck --strict-whitespace %s
+
+## Use '|' to show where the tabs line up.
+#       CHECK:0000000000000000 <$x.0>:
+#  CHECK-NEXT:        0: 62 10 00 91          |add|x2, x3, #4
+# CHECK-EMPTY:
+#  CHECK-NEXT:0000000000000004 <$d.1>:
+#  CHECK-NEXT:        4:|ff ff 00 00|.word|0x0000ffff
+
+  add x2, x3, #4
+  .word 0xffff
diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -741,9 +741,11 @@
       dumpBytes(Bytes, OS);
     }
 
-    // The output of printInst starts with a tab. Print some spaces so that
-    // the tab has 1 column and advances to the target tab stop.
-    unsigned TabStop = NoShowRawInsn ? 16 : 40;
+    // The output of printInst starts with a tab. Print some spaces so that the
+    // tab has 1 column and advances to the target tab stop. Give more columns
+    // to x86 which may encode an instruction with many bytes.
+    unsigned TabStop =
+        NoShowRawInsn ? 16 : STI.getTargetTriple().isX86() ? 40 : 24;
     unsigned Column = OS.tell() - Start;
     OS.indent(Column < TabStop - 1 ? TabStop - 1 - Column : 7 - Column % 8);