59 lines
2.1 KiB
Plaintext
59 lines
2.1 KiB
Plaintext
# Copyright 2016-2017 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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if ![istarget "powerpc*"] then {
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verbose "Skipping powerpc long-double floating point tests."
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return
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}
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standard_testfile
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proc do_test { name {opts {}} } {
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global srcdir subdir srcfile binfile
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set ccopts {debug quiet}
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foreach opt $opts {lappend ccopts "additional_flags=$opt"}
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set lines [gdb_compile "${srcdir}/${subdir}/${srcfile}" "$binfile.$name" executable $ccopts]
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# We get this warning even with the nowarnings option ...
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regsub -all "(^|\n)\[^\n\]*using \[^\n\]* extended precision long double" $lines "" lines
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if { $lines != "" } then {
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return
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}
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clean_restart ${binfile}.${name}
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if ![runto_main] then {
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return
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}
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# Run to the breakpoint at return.
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gdb_breakpoint [gdb_get_line_number "return"]
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gdb_continue_to_breakpoint "return"
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# Print the value of ld
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gdb_test "print ld" ".* = 1\\.375.*" "the value of ld is 1.375 ($name)"
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# Print the value of float128
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gdb_test "print float128" ".* = 2\\.375.*" "the value of float128 is 2.375 ($name)"
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# Print the value of ibm128
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gdb_test "print ibm128" ".* = 3\\.375.*" "the value of ibm128 is 3.375 ($name)"
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}
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# Verify that we correctly detect the floating-point format used for
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# long double. Re-run the test with -mabi=ieeelongdouble and mabi=ibmlongdouble
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do_test default { -mfloat128 }
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do_test ieee128 { -mfloat128 -mabi=ieeelongdouble }
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do_test ibm128 { -mfloat128 -mabi=ibmlongdouble }
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