# Copyright (C) 2016-2021 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Contributed by Imagination Technologies, written by Maciej W. Rozycki.

# Test MIPS Floating Point Control Register handling.

if { ![istarget "mips*-*-*"] } then {
    verbose "Skipping MIPS Floating Point Control Register tests."
    return
}

standard_testfile

if { [prepare_for_testing "failed to prepare" ${testfile}] } {
    return
}

if ![runto_main] {
    return
}

# First check if we have an FPU available in the first place.
gdb_test_multiple "show mipsfpu" "check for MIPS floating-point coprocessor" {
    -re "The MIPS floating-point coprocessor .*\(absent\|unknown\).*$gdb_prompt $" {
	unsupported "no MIPS floating-point coprocessor in the processor"
	return
    }
    -re "The MIPS floating-point coprocessor .*$gdb_prompt $" {
	verbose "MIPS floating-point coprocessor check successful."
    }
    default {
	fail
	return
    }
}

# Now check that FCRs are accessible and 32-bit wide.
gdb_test "info registers \$fcsr" "fcsr: $hex"
gdb_test "print sizeof \$fcsr" "\\\$$decimal = 4"
gdb_test "info registers \$fir" "fir: $hex"
gdb_test "print sizeof \$fir" "\\\$$decimal = 4"