| # Copyright 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/>. |
| # |
| # This file is part of the gdb testsuite. |
| |
| # PR server/17457 |
| # Test aarch64 floating point registers q0, q1, v0, v1, fpsr, fpcr |
| |
| if {![is_aarch64_target]} { |
| verbose "Skipping ${gdb_test_file_name}." |
| return |
| } |
| |
| standard_testfile |
| if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } { |
| return -1 |
| } |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| set endianness [get_endianness] |
| |
| gdb_test "break ${srcfile}:[gdb_get_line_number "return"]" \ |
| "Breakpoint $decimal at 0x\[0-9a-fA-F\]+: file .*${srcfile}.*\\\." \ |
| "set the breakpoint after setting the fp registers" |
| |
| gdb_test "continue" \ |
| "Continuing.*Breakpoint $decimal.*" \ |
| "continue until breakpoint" |
| |
| if {$endianness == "little"} { |
| set reg_value0 "0x1f1e1d1c1b1a19181716151413121110" |
| set reg_value1 "0x2f2e2d2c2b2a29282726252423222120" |
| } else { |
| set reg_value0 "0x101112131415161718191a1b1c1d1e1f" |
| set reg_value1 "0x202122232425262728292a2b2c2d2e2f" |
| } |
| |
| gdb_test "p/x \$q0" \ |
| "q0.*{u = $reg_value0, s = $reg_value0.*" \ |
| "check register q0 value" |
| |
| gdb_test "p/x \$q1" \ |
| "q1.*{u = $reg_value1, s = $reg_value1.*" \ |
| "check register q1 value" |
| |
| gdb_test "p/x \$v0" \ |
| "v0.*$reg_value0}}}" \ |
| "check register v0 value" |
| |
| gdb_test "p/x \$v1" \ |
| "v1.*$reg_value1}}}" \ |
| "check register v1 value" |
| |
| gdb_test "p/x \$fpsr" \ |
| "fpsr.*0x\[0-9a-fA-F\].*" \ |
| "check register fpsr value" |
| |
| gdb_test "p/x \$fpcr" \ |
| "fpcr.*0x\[0-9a-fA-F\].*" \ |
| "check register fpcr value" |
| |
| with_test_prefix "bfloat16" { |
| gdb_test "set \$h0.bf = 1.185e-38" \ |
| ".*" \ |
| "set h0.bf to 129" |
| |
| gdb_test "p \$h0" \ |
| "h0.*{bf = 1.185e-38, f = 7.689e-06, u = 129, s = 129}" \ |
| "h0 fields are valid" |
| |
| gdb_test "set \$v0.h.bf\[0\] = 0" \ |
| "v0.* = 0" \ |
| "set v0.h.bf\[0\] to 0" |
| |
| gdb_test "p \$v0.h.s\[0\]" \ |
| "v0.* = 0" \ |
| "v0.h.s\[0\] is 0" |
| |
| gdb_test "set \$v0.h.bf\[0\] = 1.185e-38" \ |
| "v0.* = 1.185e-38" \ |
| "set v0.h.bf\[0\] to 129" |
| |
| gdb_test "p \$v0.h.s\[0\]" \ |
| "v0.* = 129" \ |
| "v0.h.s\[0\] is 129" |
| } |