-# Copyright (C) 1999, 2001, 2003 Free Software Foundation, Inc.
+# Copyright (C) 1999, 2001, 2003, 2004, 2005 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
#
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# Please email any bugs, comments, and/or additions to this file to:
# gcc-patches@gcc.gnu.org
# This file defines procs for determining features supported by the target.
+# Try to compile some code and return the messages printed by the compiler.
+#
+# BASENAME is a basename to use for temporary files.
+# TYPE is the type of compilation to perform (see target_compile).
+# CONTENTS gives the contents of the input file.
+# The rest is optional:
+# OPTIONS: additional compiler options to use.
+proc get_compiler_messages {basename type contents args} {
+ global tool
+
+ if { [llength $args] > 0 } {
+ set options "additional_flags=[lindex $args 0]"
+ } else {
+ set options ""
+ }
+
+ set src ${basename}[pid].c
+ switch $type {
+ assembly { set output ${basename}[pid].s }
+ object { set output ${basename}[pid].o }
+ }
+ set f [open $src "w"]
+ puts $f $contents
+ close $f
+ set lines [${tool}_target_compile $src $output $type "$options"]
+ file delete $src
+ remote_file build delete $output
+
+ return $lines
+}
+
+proc current_target_name { } {
+ global target_info
+ if [info exists target_info(target,name)] {
+ set answer $target_info(target,name)
+ } else {
+ set answer ""
+ }
+ return $answer
+}
+
###############################
# proc check_weak_available { }
###############################
return 1
}
+ # Windows targets Cygwin and MingW32 support it
+
+ if { [regexp ".*mingw32|.*cygwin" $target_triplet] } {
+ return 1
+ }
+
+ # HP-UX 10.X doesn't support it
+
+ if { [regexp "hppa.*hpux10" $target_triplet] } {
+ return 0
+ }
+
# ELF and ECOFF support it. a.out does with gas/gld but may also with
# other linkers, so we should try it
elf { return 1 }
ecoff { return 1 }
a.out { return 1 }
+ mach-o { return 1 }
+ som { return 1 }
unknown { return -1 }
default { return 0 }
}
}
###############################
-# proc check_visibility_available { }
+# proc check_visibility_available { what_kind }
###############################
# The visibility attribute is only support in some object formats
-# This proc returns 1 if it is supported, 0 if not, -1 if unsure.
+# This proc returns 1 if it is supported, 0 if not.
+# The argument is the kind of visibility, default/protected/hidden/internal.
-proc check_visibility_available { } {
+proc check_visibility_available { what_kind } {
+ global visibility_available_saved
+ global tool
global target_triplet
- global target_cpu
- # ELF supports it if the system has recent GNU ld and gas.
- # As a start we return 1 for all ELF systems; we'll let people
- # add exceptions as necessary.
+ # On NetWare, support makes no sense.
+ if { [string match "*-*-netware*" $target_triplet] } {
+ return 0
+ }
- set objformat [gcc_target_object_format]
+ if [string match "" $what_kind] { set what_kind "hidden" }
- switch $objformat {
- elf { return 1 }
- unknown { return -1 }
- default { return 0 }
+ if { [info exists visibility_available_saved] } {
+ verbose "Saved result is <$visibility_available_saved>" 1
+ if { [ lsearch -exact $visibility_available_saved $what_kind ] != -1 } {
+ return 1
+ } elseif { [ lsearch -exact $visibility_available_saved "!$what_kind" ] != -1 } {
+ return 0
+ }
+ }
+
+ set lines [get_compiler_messages visibility object "
+ void f() __attribute__((visibility(\"$what_kind\")));
+ void f() {}
+ "]
+ if [string match "" $lines] then {
+ set answer 1
+ lappend visibility_available_saved $what_kind
+ } else {
+ set answer 0
+ lappend visibility_available_saved "!$what_kind"
}
+ return $answer
}
###############################
global tool
if {![info exists gc_sections_available_saved]} {
+ # Some targets don't support gc-sections despite whatever's
+ # advertised by ld's options.
+ if { [istarget alpha*-*-*]
+ || [istarget ia64-*-*] } {
+ set gc_sections_available_saved 0
+ return 0
+ }
+
# Check if the ld used by gcc supports --gc-sections.
- set gcc_ld [lindex [${tool}_target_compile "-print-prog-name=ld" "" "none" ""] 0]
+ set gcc_spec [${tool}_target_compile "-dumpspecs" "" "none" ""]
+ regsub ".*\n\*linker:\[ \t\]*\n(\[^ \t\n\]*).*" "$gcc_spec" {\1} linker
+ set gcc_ld [lindex [${tool}_target_compile "-print-prog-name=$linker" "" "none" ""] 0]
set ld_output [remote_exec host "$gcc_ld" "--help"]
if { [ string first "--gc-sections" $ld_output ] >= 0 } {
set gc_sections_available_saved 1
# Some targets don't have any implementation of __bb_init_func or are
# missing other needed machinery.
if { [istarget mmix-*-*]
+ || [istarget arm*-*-eabi*]
|| [istarget arm*-*-elf]
+ || [istarget arm*-*-symbianelf*]
|| [istarget powerpc-*-eabi*]
|| [istarget strongarm*-*-elf]
|| [istarget xscale*-*-elf]
|| [istarget cris-*-*]
|| [istarget h8300-*-*]
|| [istarget mips*-*-elf]
+ || [istarget xtensa-*-elf]
|| [istarget *-*-windiss] } {
set profiling_available_saved 0
} else {
return $profiling_available_saved
}
-# Return true if iconv is supported on the target. In particular IBM-1047.
+# Return 1 if -fpic and -fPIC are supported, as in no warnings or errors
+# emitted, 0 otherwise. Whether a shared library can actually be built is
+# out of scope for this test.
+#
+# When the target name changes, replace the cached result.
+
+proc check_effective_target_fpic { } {
+ global et_fpic_saved
+ global et_fpic_target_name
+
+ if { ![info exists et_fpic_target_name] } {
+ set et_fpic_target_name ""
+ }
+
+ # If the target has changed since we set the cached value, clear it.
+ set current_target [current_target_name]
+ if { $current_target != $et_fpic_target_name } {
+ verbose "check_effective_target_fpic: `$et_fpic_target_name'" 2
+ set et_fpic_target_name $current_target
+ if [info exists et_fpic_saved] {
+ verbose "check_effective_target_fpic: removing cached result" 2
+ unset et_fpic_saved
+ }
+ }
+
+ if [info exists et_fpic_saved] {
+ verbose "check_effective_target_fpic: using cached result" 2
+ } else {
+ verbose "check_effective_target_fpic: compiling source" 2
+
+ # Note that M68K has a multilib that supports -fpic but not
+ # -fPIC, so we need to check both. We test with a program that
+ # requires GOT references.
+ set et_fpic_saved [string match "" [get_compiler_messages fpic object {
+ extern int foo (void); extern int bar;
+ int baz (void) { return foo () + bar; }
+ } "-fpic"]]
+
+ if { $et_fpic_saved != 0 } {
+ set et_fpic_saved [string match "" [get_compiler_messages fpic object {
+ extern int foo (void); extern int bar;
+ int baz (void) { return foo () + bar; }
+ } "-fPIC"]]
+ }
+ }
+ verbose "check_effective_target_fpic: returning $et_fpic_saved" 2
+ return $et_fpic_saved
+}
+
+# Return true if iconv is supported on the target. In particular IBM1047.
proc check_iconv_available { test_what } {
global tool
puts $f "return 0;\n}"
close $f
+ # If the tool configuration file has not set libiconv, try "-liconv"
+ if { ![info exists libiconv] } {
+ set libiconv "-liconv"
+ }
set lines [${tool}_target_compile $src $exe executable "libs=$libiconv" ]
file delete $src
# No error messages, everything is OK.
set result [${tool}_load "./$exe" "" ""]
- set status [lindex $result 0];
+ set status [lindex $result 0]
remote_file build delete $exe
verbose "check_iconv_available status is <$status>" 2
# when cycling over subtarget options (e.g. irix o32/n32/n64) in
# the same test run.
proc check_named_sections_available { } {
+ verbose "check_named_sections_available: compiling source" 2
+ set answer [string match "" [get_compiler_messages named object {
+ int __attribute__ ((section("whatever"))) foo;
+ }]]
+ verbose "check_named_sections_available: returning $answer" 2
+ return $answer
+}
+
+# Return 1 if the target supports Fortran real kinds larger than real(8),
+# 0 otherwise.
+#
+# When the target name changes, replace the cached result.
+
+proc check_effective_target_fortran_large_real { } {
+ global et_fortran_large_real_saved
+ global et_fortran_large_real_target_name
global tool
- set src named[pid].c
- set obj named[pid].o
- verbose "check_named_sections_available compiling testfile $src" 2
- set f [open $src "w"]
- # Compile a small test program.
- puts $f "int __attribute__ ((section(\"whatever\"))) foo;"
- close $f
- set lines [${tool}_target_compile $src $obj object ""]
- file delete $src
- remote_file build delete $obj
+ if { ![info exists et_fortran_large_real_target_name] } {
+ set et_fortran_large_real_target_name ""
+ }
- # If we got no error messages, everything is OK.
- set answer [string match "" $lines]
- verbose "check_named_sections_available returning $answer" 2
- return $answer
+ # If the target has changed since we set the cached value, clear it.
+ set current_target [current_target_name]
+ if { $current_target != $et_fortran_large_real_target_name } {
+ verbose "check_effective_target_fortran_large_real: `$et_fortran_large_real_target_name' `$current_target'" 2
+ set et_fortran_large_real_target_name $current_target
+ if [info exists et_fortran_large_real_saved] {
+ verbose "check_effective_target_fortran_large_real: removing cached result" 2
+ unset et_fortran_large_real_saved
+ }
+ }
+
+ if [info exists et_fortran_large_real_saved] {
+ verbose "check_effective_target_fortran_large_real returning saved $et_fortran_large_real_saved" 2
+ } else {
+ set et_fortran_large_real_saved 0
+
+ # Set up, compile, and execute a test program using large real
+ # kinds. Include the current process ID in the file names to
+ # prevent conflicts with invocations for multiple testsuites.
+ set src real[pid].f90
+ set exe real[pid].x
+
+ set f [open $src "w"]
+ puts $f "integer,parameter :: k = &"
+ puts $f " selected_real_kind (precision (0.0_8) + 1)"
+ puts $f "real(kind=k) :: x"
+ puts $f "end"
+ close $f
+
+ verbose "check_effective_target_fortran_large_real compiling testfile $src" 2
+ set lines [${tool}_target_compile $src $exe executable ""]
+ file delete $src
+
+ if [string match "" $lines] then {
+ # No error message, compilation succeeded.
+ set et_fortran_large_real_saved 1
+ }
+ }
+
+ return $et_fortran_large_real_saved
+}
+
+# Return 1 if the target supports Fortran integer kinds larger than
+# integer(8), 0 otherwise.
+#
+# When the target name changes, replace the cached result.
+
+proc check_effective_target_fortran_large_int { } {
+ global et_fortran_large_int_saved
+ global et_fortran_large_int_target_name
+ global tool
+
+ if { ![info exists et_fortran_large_int_target_name] } {
+ set et_fortran_large_int_target_name ""
+ }
+
+ # If the target has changed since we set the cached value, clear it.
+ set current_target [current_target_name]
+ if { $current_target != $et_fortran_large_int_target_name } {
+ verbose "check_effective_target_fortran_large_int: `$et_fortran_large_int_target_name' `$current_target'" 2
+ set et_fortran_large_int_target_name $current_target
+ if [info exists et_fortran_large_int_saved] {
+ verbose "check_effective_target_fortran_large_int: removing cached result" 2
+ unset et_fortran_large_int_saved
+ }
+ }
+
+ if [info exists et_fortran_large_int_saved] {
+ verbose "check_effective_target_fortran_large_int returning saved $et_fortran_large_int_saved" 2
+ } else {
+ set et_fortran_large_int_saved 0
+
+ # Set up, compile, and execute a test program using large integer
+ # kinds. Include the current process ID in the file names to
+ # prevent conflicts with invocations for multiple testsuites.
+ set src int[pid].f90
+ set exe int[pid].x
+
+ set f [open $src "w"]
+ puts $f "integer,parameter :: k = &"
+ puts $f " selected_int_kind (range (0_8) + 1)"
+ puts $f "integer(kind=k) :: i"
+ puts $f "end"
+ close $f
+
+ verbose "check_effective_target_fortran_large_int compiling testfile $src" 2
+ set lines [${tool}_target_compile $src $exe executable ""]
+ file delete $src
+
+ if [string match "" $lines] then {
+ # No error message, compilation succeeded.
+ set et_fortran_large_int_saved 1
+ }
+ }
+
+ return $et_fortran_large_int_saved
}
# Return 1 if the target supports executing AltiVec instructions, 0
puts $f " return 0; }"
close $f
+ # Most targets don't require special flags for this test case, but
+ # Darwin does.
+ if [istarget *-*-darwin*] {
+ set opts "additional_flags=-maltivec"
+ } else {
+ set opts ""
+ }
+
verbose "check_vmx_hw_available compiling testfile $src" 2
- set lines [${tool}_target_compile $src $exe executable ""]
+ set lines [${tool}_target_compile $src $exe executable "$opts"]
file delete $src
if [string match "" $lines] then {
return $vmx_hw_available_saved
}
+
+# GCC 3.4.0 for powerpc64-*-linux* included an ABI fix for passing
+# complex float arguments. This affects gfortran tests that call cabsf
+# in libm built by an earlier compiler. Return 1 if libm uses the same
+# argument passing as the compiler under test, 0 otherwise.
+#
+# When the target name changes, replace the cached result.
+
+proc check_effective_target_broken_cplxf_arg { } {
+ global et_broken_cplxf_arg_saved
+ global et_broken_cplxf_arg_target_name
+ global tool
+
+ # Skip the work for targets known not to be affected.
+ if { ![istarget powerpc64-*-linux*] } {
+ return 0
+ } elseif { [is-effective-target ilp32] } {
+ return 0
+ }
+
+ if { ![info exists et_broken_cplxf_arg_target_name] } {
+ set et_broken_cplxf_arg_target_name ""
+ }
+
+ # If the target has changed since we set the cached value, clear it.
+ set current_target [current_target_name]
+ if { $current_target != $et_broken_cplxf_arg_target_name } {
+ verbose "check_effective_target_broken_cplxf_arg: `$et_broken_cplxf_arg_target_name'" 2
+ set et_broken_cplxf_arg_target_name $current_target
+ if [info exists et_broken_cplxf_arg_saved] {
+ verbose "check_effective_target_broken_cplxf_arg: removing cached result" 2
+ unset et_broken_cplxf_arg_saved
+ }
+ }
+
+ if [info exists et_broken_cplxf_arg_saved] {
+ verbose "check_effective_target_broken_cplxf_arg: using cached result" 2
+ } else {
+ set et_broken_cplxf_arg_saved 0
+ # This is only known to affect one target.
+ if { ![istarget powerpc64-*-linux*] || ![is-effective-target lp64] } {
+ set et_broken_cplxf_arg_saved 0
+ verbose "check_effective_target_broken_cplxf_arg: caching 0" 2
+ return $et_broken_cplxf_arg_saved
+ }
+
+ # Set up, compile, and execute a C test program that calls cabsf.
+ set src cabsf[pid].c
+ set exe cabsf[pid].x
+
+ set f [open $src "w"]
+ puts $f "#include <complex.h>"
+ puts $f "extern void abort (void);"
+ puts $f "float fabsf (float);"
+ puts $f "float cabsf (_Complex float);"
+ puts $f "int main ()"
+ puts $f "{"
+ puts $f " _Complex float cf;"
+ puts $f " float f;"
+ puts $f " cf = 3 + 4.0fi;"
+ puts $f " f = cabsf (cf);"
+ puts $f " if (fabsf (f - 5.0) > 0.0001) abort ();"
+ puts $f " return 0;"
+ puts $f "}"
+ close $f
+
+ set lines [${tool}_target_compile $src $exe executable "-lm"]
+ file delete $src
+
+ if [string match "" $lines] {
+ # No error message, compilation succeeded.
+ set result [${tool}_load "./$exe" "" ""]
+ set status [lindex $result 0]
+ remote_file build delete $exe
+
+ verbose "check_effective_target_broken_cplxf_arg: status is <$status>" 2
+
+ if { $status != "pass" } {
+ set et_broken_cplxf_arg_saved 1
+ }
+ } else {
+ verbose "check_effective_target_broken_cplxf_arg: compilation failed" 2
+ }
+ }
+ return $et_broken_cplxf_arg_saved
+}
+
+proc check_alpha_max_hw_available { } {
+ global alpha_max_hw_available_saved
+ global tool
+
+ if [info exists alpha_max_hw_available_saved] {
+ verbose "check_alpha_max_hw_available returning saved $alpha_max_hw_available_saved" 2
+ } else {
+ set alpha_max_hw_available_saved 0
+
+ # Set up, compile, and execute a test program probing bit 8 of the
+ # architecture mask, which indicates presence of MAX instructions.
+ set src max[pid].c
+ set exe max[pid].x
+
+ set f [open $src "w"]
+ puts $f "int main() { return __builtin_alpha_amask(1<<8) != 0; }"
+ close $f
+
+ verbose "check_alpha_max_hw_available compiling testfile $src" 2
+ set lines [${tool}_target_compile $src $exe executable ""]
+ file delete $src
+
+ if [string match "" $lines] then {
+ # No error message, compilation succeeded.
+ set result [${tool}_load "./$exe" "" ""]
+ set status [lindex $result 0]
+ remote_file build delete $exe
+ verbose "check_alpha_max_hw_available testfile status is <$status>" 2
+
+ if { $status == "pass" } then {
+ set alpha_max_hw_available_saved 1
+ }
+ } else {
+ verbose "check_alpha_max_hw_availalble testfile compilation failed" 2
+ }
+ }
+
+ return $alpha_max_hw_available_saved
+}
+
+# Returns true iff the FUNCTION is available on the target system.
+# (This is essentially a Tcl implementation of Autoconf's
+# AC_CHECK_FUNC.)
+
+proc check_function_available { function } {
+ set var "${function}_available_saved"
+ global $var
+ global tool
+
+ if {![info exists $var]} {
+ # Assume it exists.
+ set $var 1
+ # Check to make sure.
+ set src "function[pid].c"
+ set exe "function[pid].exe"
+
+ set f [open $src "w"]
+ puts $f "int main () { $function (); }"
+ close $f
+
+ set lines [${tool}_target_compile $src $exe executable ""]
+ file delete $src
+ file delete $exe
+
+ if {![string match "" $lines]} then {
+ set $var 0
+ verbose -log "$function is not available"
+ } else {
+ verbose -log "$function is available"
+ }
+ }
+
+ eval return \$$var
+}
+
+# Returns true iff "fork" is available on the target system.
+
+proc check_fork_available {} {
+ return [check_function_available "fork"]
+}
+
+# Returns true iff "mkfifo" is available on the target system.
+
+proc check_mkfifo_available {} {
+ if {[istarget *-*-cygwin*]} {
+ # Cygwin has mkfifo, but support is incomplete.
+ return 0
+ }
+
+ return [check_function_available "mkfifo"]
+}
+
+# Return 1 if we're generating 32-bit code using default options, 0
+# otherwise.
+#
+# When the target name changes, replace the cached result.
+
+proc check_effective_target_ilp32 { } {
+ global et_ilp32_saved
+ global et_ilp32_target_name
+
+ if { ![info exists et_ilp32_target_name] } {
+ set et_ilp32_target_name ""
+ }
+
+ # If the target has changed since we set the cached value, clear it.
+ set current_target [current_target_name]
+ if { $current_target != $et_ilp32_target_name } {
+ verbose "check_effective_target_ilp32: `$et_ilp32_target_name' `$current_target'" 2
+ set et_ilp32_target_name $current_target
+ if { [info exists et_ilp32_saved] } {
+ verbose "check_effective_target_ilp32: removing cached result" 2
+ unset et_ilp32_saved
+ }
+ }
+
+ if [info exists et_ilp32_saved] {
+ verbose "check-effective_target_ilp32: using cached result" 2
+ } else {
+ verbose "check_effective_target_ilp32: compiling source" 2
+ set et_ilp32_saved [string match "" [get_compiler_messages ilp32 object {
+ int dummy[(sizeof (int) == 4 && sizeof (void *) == 4 && sizeof (long) == 4 ) ? 1 : -1];
+ }]]
+ }
+ verbose "check_effective_target_ilp32: returning $et_ilp32_saved" 2
+ return $et_ilp32_saved
+}
+
+# Return 1 if we're generating 64-bit code using default options, 0
+# otherwise.
+#
+# When the target name changes, replace the cached result.
+
+proc check_effective_target_lp64 { } {
+ global et_lp64_saved
+ global et_lp64_target_name
+
+ if { ![info exists et_lp64_target_name] } {
+ set et_lp64_target_name ""
+ }
+
+ # If the target has changed since we set the cached value, clear it.
+ set current_target [current_target_name]
+ if { $current_target != $et_lp64_target_name } {
+ verbose "check_effective_target_lp64: `$et_lp64_target_name' `$current_target'" 2
+ set et_lp64_target_name $current_target
+ if [info exists et_lp64_saved] {
+ verbose "check_effective_target_lp64: removing cached result" 2
+ unset et_lp64_saved
+ }
+ }
+
+ if [info exists et_lp64_saved] {
+ verbose "check_effective_target_lp64: using cached result" 2
+ } else {
+ verbose "check_effective_target_lp64: compiling source" 2
+ set et_lp64_saved [string match "" [get_compiler_messages lp64 object {
+ int dummy[(sizeof (int) == 4 && sizeof (void *) == 8 && sizeof (long) == 8 ) ? 1 : -1];
+ }]]
+ }
+ verbose "check_effective_target_lp64: returning $et_lp64_saved" 2
+ return $et_lp64_saved
+}
+
+# Return 1 if the target needs a command line argument to enable a SIMD
+# instruction set.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_vect_cmdline_needed { } {
+ global et_vect_cmdline_needed_saved
+
+ if [info exists et_vect_cmdline_needed_saved] {
+ verbose "check_effective_target_vect_cmdline_needed: using cached result" 2
+ } else {
+ set et_vect_cmdline_needed_saved 1
+ if { [istarget ia64-*-*]
+ || [istarget x86_64-*-*] } {
+ set et_vect_cmdline_needed_saved 0
+ }
+ }
+
+ verbose "check_effective_target_vect_cmdline_needed: returning $et_vect_cmdline_needed_saved" 2
+ return $et_vect_cmdline_needed_saved
+}
+
+# Return 1 if the target supports hardware vectors of int, 0 otherwise.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_vect_int { } {
+ global et_vect_int_saved
+
+ if [info exists et_vect_int_saved] {
+ verbose "check_effective_target_vect_int: using cached result" 2
+ } else {
+ set et_vect_int_saved 0
+ if { [istarget i?86-*-*]
+ || [istarget powerpc*-*-*]
+ || [istarget x86_64-*-*]
+ || [istarget sparc*-*-*]
+ || [istarget alpha*-*-*]
+ || [istarget ia64-*-*] } {
+ set et_vect_int_saved 1
+ }
+ }
+
+ verbose "check_effective_target_vect_int: returning $et_vect_int_saved" 2
+ return $et_vect_int_saved
+}
+
+# Return 1 is this is an arm target using 32-bit instructions
+proc check_effective_target_arm32 { } {
+ global et_arm32_saved
+ global et_arm32_target_name
+ global compiler_flags
+
+ if { ![info exists et_arm32_target_name] } {
+ set et_arm32_target_name ""
+ }
+
+ # If the target has changed since we set the cached value, clear it.
+ set current_target [current_target_name]
+ if { $current_target != $et_arm32_target_name } {
+ verbose "check_effective_target_arm32: `$et_arm32_target_name' `$current_target'" 2
+ set et_arm32_target_name $current_target
+ if { [info exists et_arm32_saved] } {
+ verbose "check_effective_target_arm32: removing cached result" 2
+ unset et_arm32_saved
+ }
+ }
+
+ if [info exists et_arm32_saved] {
+ verbose "check-effective_target_arm32: using cached result" 2
+ } else {
+ set et_arm32_saved 0
+ if { [istarget arm-*-*]
+ || [istarget strongarm*-*-*]
+ || [istarget xscale-*-*] } {
+ if ![string match "*-mthumb *" $compiler_flags] {
+ set et_arm32_saved 1
+ }
+ }
+ }
+ verbose "check_effective_target_arm32: returning $et_arm32_saved" 2
+ return $et_arm32_saved
+}
+
+# Return 1 if the target supports hardware vector shift operation.
+
+proc check_effective_target_vect_shift { } {
+ global et_vect_shift_saved
+
+ if [info exists et_vect_shift_saved] {
+ verbose "check_effective_target_vect_shift: using cached result" 2
+ } else {
+ set et_vect_shift_saved 0
+ if { [istarget powerpc*-*-*]
+ || [istarget ia64-*-*]
+ || [istarget i?86-*-*]
+ || [istarget x86_64-*-*] } {
+ set et_vect_shift_saved 1
+ }
+ }
+
+ verbose "check_effective_target_vect_shift: returning $et_vect_shift_saved" 2
+ return $et_vect_shift_saved
+}
+
+# Return 1 if the target supports hardware vectors of long, 0 otherwise.
+#
+# This can change for different subtargets so do not cache the result.
+
+proc check_effective_target_vect_long { } {
+ if { [istarget i?86-*-*]
+ || ([istarget powerpc*-*-*] && [check_effective_target_ilp32])
+ || [istarget x86_64-*-*]
+ || ([istarget sparc*-*-*] && [check_effective_target_ilp32]) } {
+ set answer 1
+ } else {
+ set answer 0
+ }
+
+ verbose "check_effective_target_vect_long: returning $answer" 2
+ return $answer
+}
+
+# Return 1 if the target supports hardware vectors of float, 0 otherwise.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_vect_float { } {
+ global et_vect_float_saved
+
+ if [info exists et_vect_float_saved] {
+ verbose "check_effective_target_vect_float: using cached result" 2
+ } else {
+ set et_vect_float_saved 0
+ if { [istarget i?86-*-*]
+ || [istarget powerpc*-*-*]
+ || [istarget mipsisa64*-*-*]
+ || [istarget x86_64-*-*]
+ || [istarget ia64-*-*] } {
+ set et_vect_float_saved 1
+ }
+ }
+
+ verbose "check_effective_target_vect_float: returning $et_vect_float_saved" 2
+ return $et_vect_float_saved
+}
+
+# Return 1 if the target supports hardware vectors of double, 0 otherwise.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_vect_double { } {
+ global et_vect_double_saved
+
+ if [info exists et_vect_double_saved] {
+ verbose "check_effective_target_vect_double: using cached result" 2
+ } else {
+ set et_vect_double_saved 0
+ if { [istarget i?86-*-*]
+ || [istarget x86_64-*-*] } {
+ set et_vect_double_saved 1
+ }
+ }
+
+ verbose "check_effective_target_vect_double: returning $et_vect_double_saved" 2
+ return $et_vect_double_saved
+}
+
+# Return 1 if the target plus current options does not support a vector
+# max instruction on "int", 0 otherwise.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_vect_no_int_max { } {
+ global et_vect_no_int_max_saved
+
+ if [info exists et_vect_no_int_max_saved] {
+ verbose "check_effective_target_vect_no_int_max: using cached result" 2
+ } else {
+ set et_vect_no_int_max_saved 0
+ if { [istarget sparc*-*-*]
+ || [istarget alpha*-*-*] } {
+ set et_vect_no_int_max_saved 1
+ }
+ }
+ verbose "check_effective_target_vect_no_int_max: returning $et_vect_no_int_max_saved" 2
+ return $et_vect_no_int_max_saved
+}
+
+# Return 1 if the target plus current options does not support a vector
+# add instruction on "int", 0 otherwise.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_vect_no_int_add { } {
+ global et_vect_no_int_add_saved
+
+ if [info exists et_vect_no_int_add_saved] {
+ verbose "check_effective_target_vect_no_int_add: using cached result" 2
+ } else {
+ set et_vect_no_int_add_saved 0
+ # Alpha only supports vector add on V8QI and V4HI.
+ if { [istarget alpha*-*-*] } {
+ set et_vect_no_int_add_saved 1
+ }
+ }
+ verbose "check_effective_target_vect_no_int_add: returning $et_vect_no_int_add_saved" 2
+ return $et_vect_no_int_add_saved
+}
+
+# Return 1 if the target plus current options does not support vector
+# bitwise instructions, 0 otherwise.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_vect_no_bitwise { } {
+ global et_vect_no_bitwise_saved
+
+ if [info exists et_vect_no_bitwise_saved] {
+ verbose "check_effective_target_vect_no_bitwise: using cached result" 2
+ } else {
+ set et_vect_no_bitwise_saved 0
+ }
+ verbose "check_effective_target_vect_no_bitwise: returning $et_vect_no_bitwise_saved" 2
+ return $et_vect_no_bitwise_saved
+}
+
+# Return 1 if the target plus current options does not support a vector
+# alignment mechanism, 0 otherwise.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_vect_no_align { } {
+ global et_vect_no_align_saved
+
+ if [info exists et_vect_no_align_saved] {
+ verbose "check_effective_target_vect_no_align: using cached result" 2
+ } else {
+ set et_vect_no_align_saved 0
+ if { [istarget mipsisa64*-*-*]
+ || [istarget sparc*-*-*]
+ || [istarget ia64-*-*] } {
+ set et_vect_no_align_saved 1
+ }
+ }
+ verbose "check_effective_target_vect_no_align: returning $et_vect_no_align_saved" 2
+ return $et_vect_no_align_saved
+}
+
+# Return 1 if the target supports vector conditional operations, 0 otherwise.
+
+proc check_effective_target_vect_condition { } {
+ global et_vect_cond_saved
+
+ if [info exists et_vect_cond_saved] {
+ verbose "check_effective_target_vect_cond: using cached result" 2
+ } else {
+ set et_vect_cond_saved 0
+ if { [istarget powerpc*-*-*]
+ || [istarget ia64-*-*]
+ || [istarget i?86-*-*]
+ || [istarget x86_64-*-*] } {
+ set et_vect_cond_saved 1
+ }
+ }
+
+ verbose "check_effective_target_vect_cond: returning $et_vect_cond_saved" 2
+ return $et_vect_cond_saved
+}
+
+# Return 1 if the target supports vector int multiplication, 0 otherwise.
+
+proc check_effective_target_vect_int_mult { } {
+ global et_vect_int_mult_saved
+
+ if [info exists et_vect_int_mult_saved] {
+ verbose "check_effective_target_vect_int_mult: using cached result" 2
+ } else {
+ set et_vect_int_mult_saved 0
+ if { [istarget powerpc*-*-*]
+ || [istarget i?86-*-*]
+ || [istarget x86_64-*-*] } {
+ set et_vect_int_mult_saved 1
+ }
+ }
+
+ verbose "check_effective_target_vect_int_mult: returning $et_vect_int_mult_saved" 2
+ return $et_vect_int_mult_saved
+}
+
+# Return 1 if the target supports atomic operations on "int" and "long".
+
+proc check_effective_target_sync_int_long { } {
+ global et_sync_int_long_saved
+
+ if [info exists et_sync_int_long_saved] {
+ verbose "check_effective_target_sync_int_long: using cached result" 2
+ } else {
+ set et_sync_int_long_saved 0
+# This is intentionally powerpc but not rs6000, rs6000 doesn't have the
+# load-reserved/store-conditional instructions.
+ if { [istarget ia64-*-*]
+ || [istarget i?86-*-*]
+ || [istarget x86_64-*-*]
+ || [istarget alpha*-*-*]
+ || [istarget s390*-*-*]
+ || [istarget powerpc*-*-*] } {
+ set et_sync_int_long_saved 1
+ }
+ }
+
+ verbose "check_effective_target_sync_int_long: returning $et_sync_int_long_saved" 2
+ return $et_sync_int_long_saved
+}
+
+# Return 1 if the target supports atomic operations on "char" and "short".
+
+proc check_effective_target_sync_char_short { } {
+ global et_sync_char_short_saved
+
+ if [info exists et_sync_char_short_saved] {
+ verbose "check_effective_target_sync_char_short: using cached result" 2
+ } else {
+ set et_sync_char_short_saved 0
+# This is intentionally powerpc but not rs6000, rs6000 doesn't have the
+# load-reserved/store-conditional instructions.
+ if { [istarget ia64-*-*]
+ || [istarget i?86-*-*]
+ || [istarget x86_64-*-*]
+ || [istarget alpha*-*-*]
+ || [istarget powerpc*-*-*] } {
+ set et_sync_char_short_saved 1
+ }
+ }
+
+ verbose "check_effective_target_sync_char_short: returning $et_sync_char_short_saved" 2
+ return $et_sync_char_short_saved
+}
+
+# Return 1 if the target matches the effective target 'arg', 0 otherwise.
+# This can be used with any check_* proc that takes no argument and
+# returns only 1 or 0. It could be used with check_* procs that take
+# arguments with keywords that pass particular arguments.
+
+proc is-effective-target { arg } {
+ set selected 0
+ if { [info procs check_effective_target_${arg}] != [list] } {
+ set selected [check_effective_target_${arg}]
+ } else {
+ switch $arg {
+ "vmx_hw" { set selected [check_vmx_hw_available] }
+ "named_sections" { set selected [check_named_sections_available] }
+ "gc_sections" { set selected [check_gc_sections_available] }
+ default { error "unknown effective target keyword `$arg'" }
+ }
+ }
+ verbose "is-effective-target: $arg $selected" 2
+ return $selected
+}
+
+# Return 1 if the argument is an effective-target keyword, 0 otherwise.
+
+proc is-effective-target-keyword { arg } {
+ if { [info procs check_effective_target_${arg}] != [list] } {
+ return 1
+ } else {
+ # These have different names for their check_* procs.
+ switch $arg {
+ "vmx_hw" { return 1 }
+ "named_sections" { return 1 }
+ "gc_sections" { return 1 }
+ default { return 0 }
+ }
+ }
+}
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