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# Test literal coaslescing for Xtensa targets.

# By David Heine, Tensilica, Inc.

#   Copyright 2002, 2003, 2005, 2007, 2008

#   Free Software Foundation, Inc.

#

# This file is part of the GNU Binutils.

#

# 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, write to the Free Software

# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

# MA 02110-1301, USA.

if ![istarget "xtensa*-*-*"] {

    return

}

set testname "COALESCE"

set OBJDUMPFLAGS "-dr"

#

# default_ld_objdump

#       run objdump on a file

#

proc default_ld_objdump { objdump object outputfile } {

    global OBJDUMPFLAGS

    global objdump_output

    global host_triplet

    if {[which $objdump] == 0} then {

        perror "$objdump does not exist"

        return 0

    }

    if ![info exists OBJDUMPFLAGS] { set OBJDUMPFLAGS "" }

    verbose -log "$objdump $OBJDUMPFLAGS $object >$outputfile"

    catch "exec $objdump $OBJDUMPFLAGS $object >$outputfile" exec_output

    set exec_output [prune_warnings $exec_output]

    if [string match "" $exec_output] then {

        return 1

    } else {

        verbose -log "$exec_output"

        perror "$object: objdump failed"

        return 0

    }

}

if ![ld_assemble $as $srcdir/$subdir/coalesce1.s tmpdir/coalesce1.o] {

    unresolved $testname

    return

}

if ![ld_assemble $as $srcdir/$subdir/coalesce2.s tmpdir/coalesce2.o] {

    unresolved $testname

    return

}

set object "tmpdir/coalesce"

set outputfile "$object.txt"

if ![ld_simple_link $ld $object "-T $srcdir/$subdir/coalesce.t tmpdir/coalesce1.o tmpdir/coalesce2.o"] {

    verbose -log "failure in ld"

    fail $testname

    return

}

if ![default_ld_objdump $objdump $object $outputfile ] {

    verbose -log "failure in objdump"

    fail $testname

    return

}

set file [open $outputfile r]

set found 0

while { [gets $file line] != -1 } {

    #   verbose "$line" 2

    if [regexp "^0000000c 
:" $line] {

        set found 1

    }

}

close $file

if  $found  {

   pass $testname

} else {

   fail $testname

}