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jeremybenn |
# Copyright (C) 1997, 2007 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 GCC; see the file COPYING3. If not see
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# .
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# GCC testsuite that uses the `dg.exp' driver.
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# Exit immediately if this isn't a MIPS target.
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if ![istarget mips*-*-*] {
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return
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}
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# Load support procs.
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load_lib gcc-dg.exp
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# Find out which target is selected by the default compiler flags.
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# Also remember which aspects of the target are forced on the command
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# line (as opposed to being overridable defaults).
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#
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# $mips_isa: the ISA level specified by __mips
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# $mips_arch: the architecture specified by _MIPS_ARCH
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# $mips_mips16: true if MIPS16 mode is selected
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# $mips_mips64: true if 64-bit output is selected
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# $mips_float: "hard" or "soft"
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#
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# $mips_forced_isa: true if the command line uses -march=* or -mips*
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# $mips_forced_abi: true if the command line uses -mabi=* or -mgp*
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# $mips_forced_float: true if the command line uses -mhard/soft-float
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# $mips_forced_le true if the command line uses -EL or -mel
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proc setup_mips_tests {} {
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global mips_isa
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global mips_arch
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global mips_mips16
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global mips_mips64
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global mips_float
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global mips_forced_isa
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global mips_forced_abi
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global mips_forced_float
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global mips_forced_le
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global compiler_flags
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global tool
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set src dummy[pid].c
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set f [open $src "w"]
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puts $f {
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int isa = __mips;
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const char *arch = _MIPS_ARCH;
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#ifdef __mips16
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int mips16 = 1;
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#endif
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#ifdef __mips64
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int mips64 = 1;
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#endif
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#ifdef __mips_hard_float
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const char *float = "hard";
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#else
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const char *float = "soft";
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#endif
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}
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close $f
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set output [${tool}_target_compile $src "" preprocess ""]
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file delete $src
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regexp {isa = ([^;]*)} $output dummy mips_isa
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regexp {arch = "([^"]*)} $output dummy mips_arch
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set mips_mips16 [regexp {mips16 = 1} $output]
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set mips_mips64 [regexp {mips64 = 1} $output]
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regexp {float = "([^"]*)} $output dummy mips_float
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set mips_forced_isa [regexp -- {(-mips|-march)} $compiler_flags]
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set mips_forced_abi [regexp -- {(-mgp|-mabi)} $compiler_flags]
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set mips_forced_float [regexp -- {-m(hard|soft)-float} $compiler_flags]
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set mips_forced_le [regexp -- {-(EL|mel)[[:>:]]} $compiler_flags]
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}
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# Return true if command-line option FLAG forces 32-bit code.
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proc is_gp32_flag {flag} {
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switch -glob -- $flag {
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-march=mips32* -
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-mgp32 { return 1 }
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default { return 0 }
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}
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}
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# Like dg-options, but treats certain MIPS-specific options specially:
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#
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# -mgp32
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# -march=mips32*
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# Force 32-bit code. Skip the test if the multilib flags force
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# a 64-bit ABI.
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#
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# -mgp64
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# Force 64-bit code. Also force a 64-bit target architecture
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# if the other flags don't do so. Skip the test if the multilib
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# flags force a 32-bit ABI or a 32-bit architecture.
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#
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# -mno-mips16
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# Skip the test for MIPS16 targets.
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#
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# -march=*
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# -mips*
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# Select the target architecture. Skip the test for MIPS16 targets
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# or if the multilib flags force a different architecture.
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#
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# -msoft-float
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# -mhard-float
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# Select the given floating-point mode. Skip the test if the
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# multilib flags force a different selection.
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#
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# -EB
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# Select big-endian code. Skip the test if the multilib flags
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# force a little-endian target.
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proc dg-mips-options {args} {
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upvar dg-extra-tool-flags extra_tool_flags
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upvar dg-do-what do_what
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global mips_isa
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global mips_arch
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global mips_mips16
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global mips_mips64
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global mips_float
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global mips_forced_isa
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global mips_forced_abi
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global mips_forced_float
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global mips_forced_le
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set flags [lindex $args 1]
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set matches 1
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# First handle the -mgp* options. Add an architecture option if necessary.
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foreach flag $flags {
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if {[is_gp32_flag $flag] && $mips_mips64} {
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if {$mips_forced_abi} {
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set matches 0
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} else {
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append flags " -mabi=32"
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}
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} elseif {$flag == "-mgp64" && !$mips_mips64} {
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if {$mips_forced_abi} {
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set matches 0
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} else {
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append flags " -mabi=o64"
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if {[lsearch -regexp $flags {^(-mips|-march)}] < 0} {
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append flags " -mips3"
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}
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}
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}
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}
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# Handle the other options.
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foreach flag $flags {
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if {$flag == "-mno-mips16"} {
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if {$mips_mips16} {
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set matches 0
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}
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} elseif {[regexp -- {^-march=(.*)} $flag dummy arch]} {
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if {$mips_mips16 || ($arch != $mips_arch && $mips_forced_isa)} {
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set matches 0
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}
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} elseif {[regexp -- {^-mips(.*)} $flag dummy isa] && $isa != 16} {
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if {$mips_mips16 || ($isa != $mips_isa && $mips_forced_isa)} {
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set matches 0
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}
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} elseif {[regexp -- {^-m(hard|soft)-float} $flag dummy float]} {
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if {$mips_float != $float && $mips_forced_float} {
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set matches 0
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}
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} elseif {[regexp -- {^-(EB|meb)$} $flag]} {
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if {$mips_forced_le} {
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set matches 0
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}
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}
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}
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if {$matches} {
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set extra_tool_flags $flags
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} else {
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set do_what [list [lindex $do_what 0] "N" "P"]
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}
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}
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setup_mips_tests
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dg-init
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dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.c]] "" ""
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dg-finish
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