arm: Support pac_key_* register operand for MRS/MSR in Armv8.1-M Mainline
[binutils-gdb.git] / sim / m4 / sim_ac_option_reserved_bits.m4
blob1e8c33df2381b05b65c13209eea7629ea7409e06
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15 AC_DEFUN([SIM_AC_OPTION_RESERVED_BITS],
16 [dnl
17 AC_MSG_CHECKING([whether to check reserved bits in instruction])
18 AC_ARG_ENABLE(sim-reserved-bits,
19 [AS_HELP_STRING([--enable-sim-reserved-bits],
20                 [Specify whether to check reserved bits in instruction])],
21 [case "${enableval}" in
22 yes|no) ;;
23 *) AC_MSG_ERROR("--enable-sim-reserved-bits does not take a value");;
24 esac])
25 if test "x${enable_sim_reserved_bits}" != xno; then
26   sim_reserved_bits=1
27   AC_MSG_RESULT([yes])
28 else
29   sim_reserved_bits=0
30   AC_MSG_RESULT([no])
32 AC_DEFINE_UNQUOTED([WITH_RESERVED_BITS], [$sim_reserved_bits], [Sim reserved bits setting])