Subversion Repositories openrisc_2011-10-31

# Copyright 1998, 1999, 2001, 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)

# Rewritten to use gdb_test by Michael Chastain (chastain@redhat.com)

# This file is part of the gdb testsuite

#

# tests for correctness of arithmetic 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 arithmet.exp

     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

}

#

# test expressions with "int" types

#

gdb_test_no_output "set variable x=14"

gdb_test_no_output "set variable y=2"

gdb_test_no_output "set variable z=2"

gdb_test_no_output "set variable w=3"

gdb_test "print x" "14"

gdb_test "print y"  "2"

gdb_test "print z"  "2"

gdb_test "print w"  "3"

gdb_test "print x+y" "16"

gdb_test "print x-y" "12"

gdb_test "print x*y" "28"

gdb_test "print x/y"  "7"

gdb_test "print x%y"  "0"

#  x  y  z  w

# 14  2  2  3

# Test associativity of +, -, *, % ,/

gdb_test "print x+y+z" "18"

gdb_test "print x-y-z" "10"

gdb_test "print x*y*z" "56"

gdb_test "print x/y/z"  "3"

gdb_test "print x%y%z"  "0"

# test precedence rules on pairs of arithmetic operators

gdb_test_no_output "set variable x=10"

gdb_test_no_output "set variable y=4"

#  x  y  z  w

# 10  4  2  3

gdb_test "print x+y-z" "12"

gdb_test "print x+y*z" "18"

gdb_test "print x+y%w" "11"

gdb_test "print x+y/w" "11"

gdb_test "print x-y*z"  "2"

gdb_test "print x-y%z" "10"

gdb_test "print x-y/z"  "8"

gdb_test "print x*y/z" "20"

gdb_test "print x*y%w"  "1"

gdb_test "print x/y%w"  "2"

# test use of parentheses to enforce different order of evaluation

gdb_test "print x-(y+w)"  "3"

gdb_test "print x/(y*w)"  "0"

gdb_test "print x-(y/w)"  "9"

gdb_test "print (x+y)*w" "42"