1# Copyright (C) 2008-2023 Free Software Foundation, Inc. 2# 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15# 16 17# 18# Test the vsr registers print values in float128 bit format. 19# 20 21 22if {![istarget "powerpc*"] || [skip_vsx_tests]} { 23 verbose "Skipping vsr float128 field tests." 24 return 25} 26 27standard_testfile 28 29set compile_flags {debug nowarnings quiet} 30if [test_compiler_info gcc*] { 31 set compile_flags "$compile_flags additional_flags=-maltivec additional_flags=-mabi=altivec" 32} elseif [test_compiler_info xlc*] { 33 set compile_flags "$compile_flags additional_flags=-qaltivec" 34} else { 35 warning "unknown compiler" 36 return -1 37} 38 39if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $compile_flags] != "" } { 40 untested "failed to compile" 41 return -1 42} 43 44gdb_start 45gdb_reinitialize_dir $srcdir/$subdir 46gdb_load ${binfile} 47 48# Run to `main' where we begin our tests. 49 50if {![runto_main]} { 51 return 0 52} 53 54set endianness [get_endianness] 55 56# Data sets used throughout the test 57 58set vector_field ".*float128 = -2.25,.*" 59 60# The vsx registers now contain a 128-bit floating point field. The following tests 61# setting a vsr register with a 128-bit floating point value and then printing the 62# register contents using the float format to verify the value is correctly printed 63# as a 128-bit value. 64 65# the following corresponds to a 128-bit float value of -2.25 66if {$endianness == "big"} { 67 gdb_test_no_output "set \$vs1.v4_int32\[3\] = 0x0" 68 gdb_test_no_output "set \$vs1.v4_int32\[2\] = 0x0" 69 gdb_test_no_output "set \$vs1.v4_int32\[1\] = 0x0" 70 gdb_test_no_output "set \$vs1.v4_int32\[0\] = 0xc0002000" 71} else { 72 gdb_test_no_output "set \$vs1.v4_int32\[0\] = 0x0" 73 gdb_test_no_output "set \$vs1.v4_int32\[1\] = 0x0" 74 gdb_test_no_output "set \$vs1.v4_int32\[2\] = 0x0" 75 gdb_test_no_output "set \$vs1.v4_int32\[3\] = 0xc0002000" 76} 77 78# check the contents of the register 79gdb_test "p/f \$vs1" "$vector_field" 80 81gdb_exit 82 83 84 85