| # Copyright (C) 2008-2021 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 the vsr registers print values in float128 bit format. |
| # |
| |
| |
| if {![istarget "powerpc*"] || [skip_vsx_tests]} then { |
| verbose "Skipping vsr float128 field tests." |
| return |
| } |
| |
| standard_testfile |
| |
| set compile_flags {debug nowarnings quiet} |
| if [get_compiler_info] { |
| warning "get_compiler failed" |
| return -1 |
| } |
| |
| if [test_compiler_info gcc*] { |
| set compile_flags "$compile_flags additional_flags=-maltivec additional_flags=-mabi=altivec" |
| } elseif [test_compiler_info xlc*] { |
| set compile_flags "$compile_flags additional_flags=-qaltivec" |
| } else { |
| warning "unknown compiler" |
| return -1 |
| } |
| |
| if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $compile_flags] != "" } { |
| untested "failed to compile" |
| return -1 |
| } |
| |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| # Run to `main' where we begin our tests. |
| |
| if ![runto_main] then { |
| return 0 |
| } |
| |
| set endianness [get_endianness] |
| |
| # Data sets used throughout the test |
| |
| set vector_field ".*float128 = -2.25,.*" |
| |
| # The vsx registers now contain a 128-bit floating point field. The following tests |
| # setting a vsr register with a 128-bit floating point value and then printing the |
| # register contents using the float format to verify the value is correctly printed |
| # as a 128-bit value. |
| |
| # the following corresponds to a 128-bit float value of -2.25 |
| if {$endianness == "big"} { |
| gdb_test_no_output "set \$vs1.v4_int32\[3\] = 0x0" |
| gdb_test_no_output "set \$vs1.v4_int32\[2\] = 0x0" |
| gdb_test_no_output "set \$vs1.v4_int32\[1\] = 0x0" |
| gdb_test_no_output "set \$vs1.v4_int32\[0\] = 0xc0002000" |
| } else { |
| gdb_test_no_output "set \$vs1.v4_int32\[0\] = 0x0" |
| gdb_test_no_output "set \$vs1.v4_int32\[1\] = 0x0" |
| gdb_test_no_output "set \$vs1.v4_int32\[2\] = 0x0" |
| gdb_test_no_output "set \$vs1.v4_int32\[3\] = 0xc0002000" |
| } |
| |
| # check the contents of the register |
| gdb_test "p/f \$vs1" "$vector_field" |
| |
| gdb_exit |
| |
| |
| |