| # 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 |
| # the Free Software Foundation; either version 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. |
| proc get_compiler_messages {basename type contents} { |
| global tool |
| |
| 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 ""] |
| 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 { } |
| ############################### |
| |
| # weak symbols are only supported in some configs/object formats |
| # this proc returns 1 if they're supported, 0 if they're not, or -1 if unsure |
| |
| proc check_weak_available { } { |
| global target_triplet |
| global target_cpu |
| |
| # All mips targets should support it |
| |
| if { [ string first "mips" $target_cpu ] >= 0 } { |
| return 1 |
| } |
| |
| # All solaris2 targets should support it |
| |
| if { [regexp ".*-solaris2.*" $target_triplet] } { |
| return 1 |
| } |
| |
| # DEC OSF/1/Digital UNIX/Tru64 UNIX supports it |
| |
| if { [regexp "alpha.*osf.*" $target_triplet] } { |
| 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 |
| |
| set objformat [gcc_target_object_format] |
| |
| switch $objformat { |
| 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 { what_kind } |
| ############################### |
| |
| # The visibility attribute is only support in some object formats |
| # 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 { what_kind } { |
| global visibility_available_saved |
| global tool |
| global target_triplet |
| |
| # On NetWare, support makes no sense. |
| if { [string match "*-*-netware*" $target_triplet] } { |
| return 0 |
| } |
| |
| if [string match "" $what_kind] { set what_kind "hidden" } |
| |
| if { [info exists visibility_available_saved] } { |
| verbose "Saved result is <$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 |
| } |
| |
| ############################### |
| # proc check_alias_available { } |
| ############################### |
| |
| # Determine if the target toolchain supports the alias attribute. |
| |
| # Returns 2 if the target supports aliases. Returns 1 if the target |
| # only supports weak aliased. Returns 0 if the target does not |
| # support aliases at all. Returns -1 if support for aliases could not |
| # be determined. |
| |
| proc check_alias_available { } { |
| global alias_available_saved |
| global tool |
| |
| if [info exists alias_available_saved] { |
| verbose "check_alias_available returning saved $alias_available_saved" 2 |
| } else { |
| set src alias[pid].c |
| set obj alias[pid].o |
| verbose "check_alias_available compiling testfile $src" 2 |
| set f [open $src "w"] |
| # Compile a small test program. The definition of "g" is |
| # necessary to keep the Solaris assembler from complaining |
| # about the program. |
| puts $f "#ifdef __cplusplus\nextern \"C\"\n#endif\n" |
| puts $f "void g() {} void f() __attribute__((alias(\"g\")));" |
| close $f |
| set lines [${tool}_target_compile $src $obj object ""] |
| file delete $src |
| remote_file build delete $obj |
| |
| if [string match "" $lines] then { |
| # No error messages, everything is OK. |
| set alias_available_saved 2 |
| } else { |
| if [regexp "alias definitions not supported" $lines] { |
| verbose "check_alias_available target does not support aliases" 2 |
| |
| set objformat [gcc_target_object_format] |
| |
| if { $objformat == "elf" } { |
| verbose "check_alias_available but target uses ELF format, so it ought to" 2 |
| set alias_available_saved -1 |
| } else { |
| set alias_available_saved 0 |
| } |
| } else { |
| if [regexp "only weak aliases are supported" $lines] { |
| verbose "check_alias_available target supports only weak aliases" 2 |
| set alias_available_saved 1 |
| } else { |
| set alias_available_saved -1 |
| } |
| } |
| } |
| |
| verbose "check_alias_available returning $alias_available_saved" 2 |
| } |
| |
| return $alias_available_saved |
| } |
| |
| # Returns true if --gc-sections is supported on the target. |
| |
| proc check_gc_sections_available { } { |
| global gc_sections_available_saved |
| global tool |
| |
| if {![info exists gc_sections_available_saved]} { |
| # Some targets don't support gc-sections despite whatever's |
| # advertised by ld's options. |
| if { [istarget alpha*-*-*] |
| || [istarget ia64-*-*] } { |
| set gc_sections_available_saved 0 |
| return 0 |
| } |
| |
| # Check if the ld used by gcc supports --gc-sections. |
| set gcc_spec [${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 |
| } else { |
| set gc_sections_available_saved 0 |
| } |
| } |
| return $gc_sections_available_saved |
| } |
| |
| # Return true if profiling is supported on the target. |
| |
| proc check_profiling_available { test_what } { |
| global profiling_available_saved |
| |
| verbose "Profiling argument is <$test_what>" 1 |
| |
| # These conditions depend on the argument so examine them before |
| # looking at the cache variable. |
| |
| # Support for -p on solaris2 relies on mcrt1.o which comes with the |
| # vendor compiler. We cannot reliably predict the directory where the |
| # vendor compiler (and thus mcrt1.o) is installed so we can't |
| # necessarily find mcrt1.o even if we have it. |
| if { [istarget *-*-solaris2*] && [lindex $test_what 1] == "-p" } { |
| return 0 |
| } |
| |
| # Support for -p on irix relies on libprof1.a which doesn't appear to |
| # exist on any irix6 system currently posting testsuite results. |
| # Support for -pg on irix relies on gcrt1.o which doesn't exist yet. |
| # See: http://gcc.gnu.org/ml/gcc/2002-10/msg00169.html |
| if { [istarget mips*-*-irix*] |
| && ([lindex $test_what 1] == "-p" || [lindex $test_what 1] == "-pg") } { |
| return 0 |
| } |
| |
| # Now examine the cache variable. |
| if {![info exists profiling_available_saved]} { |
| # 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 *-*-windiss] } { |
| set profiling_available_saved 0 |
| } else { |
| set profiling_available_saved 1 |
| } |
| } |
| |
| return $profiling_available_saved |
| } |
| |
| # Return true if iconv is supported on the target. In particular IBM-1047. |
| |
| proc check_iconv_available { test_what } { |
| global tool |
| global libiconv |
| |
| set result "" |
| |
| set src iconv[pid].c |
| set exe iconv[pid].x |
| verbose "check_iconv_available compiling testfile $src" 2 |
| set f [open $src "w"] |
| # Compile a small test program. |
| puts $f "#include <iconv.h>\n" |
| puts $f "int main (void)\n {\n iconv_t cd; \n" |
| puts $f "cd = iconv_open (\"[lindex $test_what 1]\", \"UTF-8\");\n" |
| puts $f "if (cd == (iconv_t) -1)\n return 1;\n" |
| 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 |
| |
| if [string match "" $lines] then { |
| # No error messages, everything is OK. |
| |
| set result [${tool}_load "./$exe" "" ""] |
| set status [lindex $result 0]; |
| remote_file build delete $exe |
| |
| verbose "check_iconv_available status is <$status>" 2 |
| |
| if { $status == "pass" } then { |
| return 1 |
| } |
| } |
| |
| return 0 |
| } |
| |
| # Return true if named sections are supported on this target. |
| # This proc does not cache results, because the answer may vary |
| # 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 |
| # APPLE LOCAL mainline 2006-02-13 radar 4373419 |
| set answer [string match "" [get_compiler_messages named assembly { |
| int __attribute__ ((section("whatever"))) foo; |
| }]] |
| verbose "check_named_sections_available: returning $answer" 2 |
| return $answer |
| } |
| |
| # Return 1 if the target supports executing AltiVec instructions, 0 |
| # otherwise. Cache the result. |
| |
| proc check_vmx_hw_available { } { |
| global vmx_hw_available_saved |
| global tool |
| |
| if [info exists vmx_hw_available_saved] { |
| verbose "check_hw_available returning saved $vmx_hw_available_saved" 2 |
| } else { |
| set vmx_hw_available_saved 0 |
| |
| # Some simulators are known to not support VMX instructions. |
| if { [istarget powerpc-*-eabi] || [istarget powerpc*-*-eabispe] } { |
| verbose "check_hw_available returning 0" 2 |
| return $vmx_hw_available_saved |
| } |
| |
| # Set up, compile, and execute a test program containing VMX |
| # instructions. Include the current process ID in the file |
| # names to prevent conflicts with invocations for multiple |
| # testsuites. |
| set src vmx[pid].c |
| set exe vmx[pid].x |
| |
| set f [open $src "w"] |
| puts $f "int main() {" |
| puts $f "#ifdef __MACH__" |
| puts $f " asm volatile (\"vor v0,v0,v0\");" |
| puts $f "#else" |
| puts $f " asm volatile (\"vor 0,0,0\");" |
| puts $f "#endif" |
| puts $f " return 0; }" |
| close $f |
| |
| verbose "check_vmx_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 $exe |
| verbose "check_vmx_hw_available testfile status is <$status>" 2 |
| |
| if { $status == "pass" } then { |
| set vmx_hw_available_saved 1 |
| } |
| } else { |
| verbose "check_vmx_hw_availalble testfile compilation failed" 2 |
| } |
| } |
| |
| 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 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 |
| } |
| |
| # APPLE LOCAL begin mainline 2005-04-05 3972515 |
| # Return 1 if the target supports hardware vector shift operation. |
| |
| proc check_effective_target_vect_shift { } { |
| if { [istarget powerpc*-*-*] } { |
| set answer 1 |
| } else { |
| set answer 0 |
| } |
| |
| verbose "check_effective_target_vect_shift: returning $answer" 2 |
| return $answer |
| } |
| |
| # APPLE LOCAL end mainline 2005-04-05 3972515 |
| |
| # 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, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_no_max { } { |
| global et_vect_no_max_saved |
| |
| if [info exists et_vect_no_max_saved] { |
| verbose "check_effective_target_vect_no_max: using cached result" 2 |
| } else { |
| set et_vect_no_max_saved 0 |
| if { [istarget i?86-*-*] |
| || [istarget x86_64-*-*] |
| || [istarget sparc*-*-*] |
| || [istarget alpha*-*-*] } { |
| set et_vect_no_max_saved 1 |
| } |
| } |
| verbose "check_effective_target_vect_no_max: returning $et_vect_no_max_saved" 2 |
| return $et_vect_no_max_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 |
| } |
| |
| # APPLE LOCAL begin mainline 2005-04-18 3972875 |
| # 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] { |
| verbose "check_effective_target_vect_int_mult: using cached result" 2 |
| } else { |
| set et_vect_int_mult_saved 0 |
| if { [istarget powerpc*-*-*] } { |
| set et_vect_int_mult_saved 1 |
| } |
| } |
| |
| verbose "check_effective_target_vect_int_mult: returning $et_vect_int_mult_saved" 2 |
| return $et_vect_int_mult_saved |
| } |
| # APPLE LOCAL end mainline 2005-04-18 3972875 |
| |
| # Return 1 if the target matches the effective target 'arg', 0 otherwise. |
| # This can be used with any check_* proc that takes no argument and |
| # returns only 1 or 0. It could be used with check_* procs that take |
| # arguments with keywords that pass particular arguments. |
| |
| proc is-effective-target { arg } { |
| set selected 0 |
| if { [info procs check_effective_target_${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 } |
| } |
| } |
| } |