Subversion Repositories openrisc_2011-10-31

# This testcase is part of GDB, the GNU debugger.

# Copyright 1998, 1999, 2004, 2007, 2008, 2009, 2010

# 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 .

# This file was written by Elena Zannoni (ezannoni@cygnus.com)

# Tests for correctenss of logical operators, associativity and

# precedence with integer type variables

if $tracelevel then {

    strace $tracelevel

}

#

# test running programs

#

set testfile "int-type"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {

    untested logical.exp

    return -1

}

if [get_compiler_info ${binfile}] {

    return -1;

}

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

#

# set it up at a breakpoint so we can play with the variable values

#

if ![runto_main] then {

    perror "couldn't run to breakpoint"

    continue

}

proc evaluate { vars ops } {

    for {set vari 0} {$vari < [llength $vars]} {incr vari} {

        set var [lindex $vars $vari]

        for {set opi 0} {$opi < [llength $ops]} {incr opi} {

            set op [lindex [lindex $ops $opi] 0]

            set val [lindex [lindex $ops $opi] [expr $vari + 1]]

            gdb_test "print $var, $op" " = $val" "evaluate $op; variables $var; expecting $val"

        }

    }

}

# Unary

evaluate {

    {x = 0} {x = 1}

} {

    { {x}   0 1 }

    { {!x}  1 0 }

    { {!!x} 0 1 }

}

# Binary (with unary)

evaluate {

    {x = 0, y = 0} {x = 0, y = 1} {x = 1, y = 0} {x = 1, y = 1}

} {

    { {x && y}   0 0 0 1 }

    { {!x && y}  0 1 0 0 }

    { {x && !y}  0 0 1 0 }

    { {!x && !y} 1 0 0 0 }

    { {x || y}   0 1 1 1 }

    { {!x || y}  1 1 0 1 }

    { {x || !y}  1 0 1 1 }

    { {!x || !y} 1 1 1 0 }

    { {x < y}    0 1 0 0 }

    { {x <= y}   1 1 0 1 }

    { {x == y}   1 0 0 1 }

    { {x != y}   0 1 1 0 }

    { {x >= y}   1 0 1 1 }

    { {x > y}    0 0 1 0 }

}

# Full table of &&, || combinations, followed by random mix of unary ops

evaluate {

    {x = 0, y = 0, z = 0} {x = 0, y = 0, z = 1} {x = 0, y = 1, z = 0} {x = 0, y = 1, z = 1}

    {x = 1, y = 0, z = 0} {x = 1, y = 0, z = 1} {x = 1, y = 1, z = 0} {x = 1, y = 1, z = 1}

} {

    { {x && y && z}    0 0 0 0  0 0 0 1 }

    { {x || y && z}    0 0 0 1  1 1 1 1 }

    { {x && y || z}    0 1 0 1  0 1 1 1 }

    { {x || y || z}    0 1 1 1  1 1 1 1 }

    { {x || !y && z}   0 1 0 0  1 1 1 1 }

    { {!x || y && z}   1 1 1 1  0 0 0 1 }

    { {!x || y && !z}  1 1 1 1  0 0 1 0 }

}

# More complex operations

evaluate {

    {x = 1, y = 2, w = 3, z = 3}

    {x = 1, y = 2, w = 1, z = 3}

    {x = 2, y = 2, w = 2, z = 3}

} {

    { {x > y || w == z}   1 0 0 }

    { {x >= y && w != z}  0 0 1 }

    { {! x > y || w + z}  1 1 1 }

}