Update year range in copyright notice of binutils files

[thirdparty/binutils-gdb.git] / opcodes / aarch64-dis.c

diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c
index b6bc7e6235aa578b47361c353e94e00554d6bceb..da1c96dadc1e4a2fadc06a654b27c622b102f32e 100644 (file)
--- a/opcodes/aarch64-dis.c
+++ b/opcodes/aarch64-dis.c
@@ -1,5 +1,5 @@
 /* aarch64-dis.c -- AArch64 disassembler.
-   Copyright (C) 2009-2020 Free Software Foundation, Inc.
+   Copyright (C) 2009-2021 Free Software Foundation, Inc.
    Contributed by ARM Ltd.
 
    This file is part of the GNU opcodes library.
@@ -1293,6 +1293,21 @@ aarch64_ext_barrier (const aarch64_operand *self ATTRIBUTE_UNUSED,
   return TRUE;
 }
 
+/* Decode the memory barrier option operand for DSB <option>nXS|#<imm>.  */
+
+bfd_boolean
+aarch64_ext_barrier_dsb_nxs (const aarch64_operand *self ATTRIBUTE_UNUSED,
+                    aarch64_opnd_info *info,
+                    aarch64_insn code,
+                    const aarch64_inst *inst ATTRIBUTE_UNUSED,
+                    aarch64_operand_error *errors ATTRIBUTE_UNUSED)
+{
+  /* For the DSB nXS barrier variant immediate is encoded in 2-bit field.  */
+  aarch64_insn field = extract_field (FLD_CRm_dsb_nxs, code, 0);
+  info->barrier = aarch64_barrier_dsb_nxs_options + field;
+  return TRUE;
+}
+
 /* Decode the prefetch operation option operand for e.g.
      PRFM <prfop>, [<Xn|SP>{, #<pimm>}].  */