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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [lib/] [c-compat.exp] - Rev 310
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# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008
# 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 GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
# Please email any bugs, comments, and/or additions to this file to:
# gcc-patches@gcc.gnu.org
# Globals.
global compat_use_alt
global compat_same_alt
global compat_have_dfp
global compat_skip_list
# This file defines procs for determining features supported by both C
# compilers for compatibility tests.
load_lib target-supports.exp
#
# compat-use-alt-compiler -- make the alternate compiler the default
#
proc compat-use-alt-compiler { } {
global GCC_UNDER_TEST ALT_CC_UNDER_TEST
global compat_same_alt
# We don't need to do this if the alternate compiler is actually
# the same as the compiler under test.
if { $compat_same_alt == 0 } then {
set GCC_UNDER_TEST $ALT_CC_UNDER_TEST
}
}
#
# compat-use-tst-compiler -- make compiler under test the default
#
proc compat-use-tst-compiler { } {
global GCC_UNDER_TEST compat_save_gcc_under_test
global compat_same_alt
# We don't need to do this if the alternate compiler is actually
# the same as the compiler under test.
if { $compat_same_alt == 0 } then {
set GCC_UNDER_TEST $compat_save_gcc_under_test
}
}
# Find out whether both compilers support decimal float types.
proc compat_setup_dfp { } {
global compat_use_alt
global compat_same_alt
global compat_have_dfp
verbose "compat_setup_dfp: $compat_use_alt $compat_same_alt" 2
# Does the compiler under test support decimal float types?
compat-use-tst-compiler
set compat_have_dfp [check_effective_target_dfprt_nocache]
verbose "compat_have_dfp for tst compiler: $compat_have_dfp" 2
# If there is an alternate compiler, does it support decimal float types?
if { $compat_have_dfp == 1 && $compat_use_alt == 1 && $compat_same_alt == 0 } {
compat-use-alt-compiler
set compat_have_dfp [check_effective_target_dfprt_nocache]
compat-use-tst-compiler
verbose "compat_have_dfp for alt compiler: $compat_have_dfp" 2
}
# If decimal float is not supported, add it to the skip list, which
# affects code in the header files.
if { $compat_have_dfp == 0 } {
global compat_skip_list
lappend compat_skip_list "DECIMAL_FLOAT"
}
}
# If either compiler does not support decimal float types, skip this test.
proc dg-require-compat-dfp { args } {
global compat_have_dfp
if { $compat_have_dfp == 0 } {
upvar dg-do-what dg-do-what
set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
}
}
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