gdb/testsuite/gdb.arch/x86-avx512fp16.exp

# Copyright 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/>.

# Test fp16 support in AVX512 registers.

if { [skip_avx512fp16_tests] } {
    unsupported "target does not support AVX512fp16"
    return -1
}

standard_testfile

if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
    return -1
}

if { ![runto_main] } {
    return -1
}

# Test xmm.
set line1 [gdb_get_line_number "first breakpoint here"]
gdb_breakpoint $line1
gdb_continue_to_breakpoint "line1" ".*$srcfile:$line1.*"

gdb_test "print \$xmm0.v8_half" \
    "= \\{0.5, 0.625, 0.75, 0.875, 0, 0, 0, 0\\}"

gdb_test "print \$xmm6.v8_half" \
    "= \\{3.5, 3.625, 3.75, 3.875, 0, 0, 0, 0\\}"

# Test ymm.
set line2 [gdb_get_line_number "second breakpoint here"]
gdb_breakpoint $line2
gdb_continue_to_breakpoint "line2" ".*$srcfile:$line2.*"

gdb_test "print \$ymm0.v16_half\[1\]" "= 10.25"
gdb_test "print \$ymm6.v16_half\[1\]" "= 22.25"

# Test zmm.
set line3 [gdb_get_line_number "third breakpoint here"]
gdb_breakpoint $line3
gdb_continue_to_breakpoint "line3" ".*$srcfile:$line3.*"

gdb_test "print \$zmm0.v32_half\[1\]" "= 28.5"
gdb_test "print \$zmm6.v32_half\[1\]" "= 76.5"

# Test setting of half values.
gdb_test_no_output "set var \$xmm0.v8_half\[0\] = 32.25"
gdb_test_no_output "set var \$ymm3.v16_half\[1\] = 33.5"
gdb_test_no_output "set var \$zmm7.v32_half\[2\] = 22.75"

gdb_test "p \$xmm0.v8_half\[0\]" "= 32.25"
gdb_test "p \$ymm3.v16_half\[1\]" "= 33.5"
gdb_test "p \$zmm7.v32_half\[2\]" "= 22.75"