AArch64: add GAS support for UDF instruction

[deliverable/binutils-gdb.git] / gas / config / tc-aarch64.c

diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 69ccc59e8744e0ba1b4bac75d78161684352d033..da786ba5e9bd51c0b1c5a5aadfbbbdebd321e529 100644 (file)
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -6149,6 +6149,7 @@ parse_operands (char *str, const aarch64_opcode *opcode)
          break;
 
        case AARCH64_OPND_EXCEPTION:
+       case AARCH64_OPND_UNDEFINED:
          po_misc_or_fail (parse_immediate_expression (&str, &inst.reloc.exp,
                                                       imm_reg_type));
          assign_imm_if_const_or_fixup_later (&inst.reloc, info,
@@ -7745,11 +7746,12 @@ fix_insn (fixS *fixP, uint32_t flags, offsetT value)
   switch (opnd)
     {
     case AARCH64_OPND_EXCEPTION:
+    case AARCH64_OPND_UNDEFINED:
       if (unsigned_overflow (value, 16))
        as_bad_where (fixP->fx_file, fixP->fx_line,
                      _("immediate out of range"));
       insn = get_aarch64_insn (buf);
-      insn |= encode_svc_imm (value);
+      insn |= (opnd == AARCH64_OPND_EXCEPTION) ? encode_svc_imm (value) : value;
       put_aarch64_insn (buf, insn);
       break;