| # Copyright (C) 1999, 2001, 2003, 2004, 2005, 2006, 2007 |
| # 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., 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, |
| # and optionally the contents for assembly files. Either a string or |
| # a list of two strings are returned, depending on WANT_OUTPUT. |
| # |
| # BASENAME is a basename to use for temporary files. |
| # WANT_OUTPUT is a flag which is 0 to request returning just the |
| # compiler messages, or 1 to return the messages and the contents |
| # of the assembly file. TYPE should be "assembly" if WANT_OUTPUT |
| # is set. |
| # 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 want_output type contents args} { |
| global tool |
| |
| if { [llength $args] > 0 } { |
| set options [list "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 |
| |
| if { $want_output } { |
| if { $type != "assembly" } { |
| error "WANT_OUTPUT can only be used with assembly output" |
| } elseif { ![string match "" $lines] } { |
| # An error occurred. |
| set result [list $lines ""] |
| } else { |
| set text "" |
| set chan [open "$output"] |
| while {[gets $chan line] >= 0} { |
| append text "$line\n" |
| } |
| close $chan |
| set result [list $lines $text] |
| } |
| } else { |
| set result $lines |
| } |
| |
| remote_file build delete $output |
| return $result |
| } |
| |
| proc current_target_name { } { |
| global target_info |
| if [info exists target_info(target,name)] { |
| set answer $target_info(target,name) |
| } else { |
| set answer "" |
| } |
| return $answer |
| } |
| |
| # Implement an effective-target check for property PROP by invoking |
| # the compiler and seeing if it prints any messages. Assume that the |
| # property holds if the compiler doesn't print anything. The other |
| # arguments are as for get_compiler_messages, starting with TYPE. |
| proc check_no_compiler_messages {prop args} { |
| global et_cache |
| |
| set target [current_target_name] |
| if {![info exists et_cache($prop,target)] |
| || $et_cache($prop,target) != $target} { |
| verbose "check_no_compiler_messages $prop: compiling source for $target" 2 |
| set et_cache($prop,target) $target |
| set et_cache($prop,value) \ |
| [string match "" [eval get_compiler_messages $prop 0 $args]] |
| } |
| set value $et_cache($prop,value) |
| verbose "check_no_compiler_messages $prop: returning $value for $target" 2 |
| return $value |
| } |
| |
| # Similar to check_no_compiler_messages, but also verify that the regular |
| # expression PATTERN matches the compiler's output. |
| proc check_no_messages_and_pattern {prop pattern args} { |
| global et_cache |
| |
| set target [current_target_name] |
| if {![info exists et_cache($prop,target)] |
| || $et_cache($prop,target) != $target} { |
| verbose "check_no_messages_and_pattern $prop: compiling source for $target" 2 |
| set et_cache($prop,target) $target |
| set results [eval get_compiler_messages $prop 1 $args] |
| set et_cache($prop,value) \ |
| [expr [string match "" [lindex $results 0]] \ |
| && [regexp $pattern [lindex $results 1]]] |
| } |
| set value $et_cache($prop,value) |
| verbose "check_no_messages_and_pattern $prop: returning $value for $target" 2 |
| return $value |
| } |
| |
| ############################### |
| # 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 { [istarget "hppa*-*-hpux10*"] } { |
| 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 tool |
| global target_triplet |
| |
| # On NetWare, support makes no sense. |
| if { [istarget *-*-netware*] } { |
| return 0 |
| } |
| |
| if [string match "" $what_kind] { set what_kind "hidden" } |
| |
| return [check_no_compiler_messages visibility_available_$what_kind object " |
| void f() __attribute__((visibility(\"$what_kind\"))); |
| void f() {} |
| "] |
| } |
| |
| ############################### |
| # 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 |
| |
| # LLVM LOCAL begin |
| # We don't yet support profiling. |
| if { [ is_llvm ] } { |
| return 0 |
| } |
| # LLVM LOCAL end |
| |
| # 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 |
| } |
| |
| # At present, there is no profiling support on NetWare. |
| if { [istarget *-*-netware*] } { |
| 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. |
| # APPLE LOCAL begin ARM no profiling support |
| if { [istarget mmix-*-*] |
| || [istarget arm*-*-darwin*] |
| || [istarget arm*-*-eabi*] |
| || [istarget arm*-*-elf] |
| || [istarget arm*-*-symbianelf*] |
| || [istarget powerpc-*-eabi*] |
| || [istarget strongarm*-*-elf] |
| || [istarget xscale*-*-elf] |
| || [istarget cris-*-*] |
| || [istarget h8300-*-*] |
| || [istarget m32c-*-elf] |
| || [istarget m68k-*-elf] |
| || [istarget mips*-*-elf] |
| || [istarget xtensa-*-elf] |
| || [istarget *-*-windiss] } { |
| set profiling_available_saved 0 |
| } else { |
| set profiling_available_saved 1 |
| } |
| # APPLE LOCAL end ARM no profiling support |
| } |
| |
| return $profiling_available_saved |
| } |
| |
| # Return 1 if target has packed layout of structure members by |
| # default, 0 otherwise. Note that this is slightly different than |
| # whether the target has "natural alignment": both attributes may be |
| # false. |
| |
| proc check_effective_target_default_packed { } { |
| return [check_no_compiler_messages default_packed assembly { |
| struct x { char a; long b; } c; |
| int s[sizeof (c) == sizeof (char) + sizeof (long) ? 1 : -1]; |
| }] |
| } |
| |
| # Return 1 if target has PCC_BITFIELD_TYPE_MATTERS defined. See |
| # documentation, where the test also comes from. |
| |
| proc check_effective_target_pcc_bitfield_type_matters { } { |
| # PCC_BITFIELD_TYPE_MATTERS isn't just about unnamed or empty |
| # bitfields, but let's stick to the example code from the docs. |
| return [check_no_compiler_messages pcc_bitfield_type_matters assembly { |
| struct foo1 { char x; char :0; char y; }; |
| struct foo2 { char x; int :0; char y; }; |
| int s[sizeof (struct foo1) != sizeof (struct foo2) ? 1 : -1]; |
| }] |
| } |
| |
| # Return 1 if thread local storage (TLS) is supported, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_tls {} { |
| global et_tls_saved |
| global tool |
| |
| if [info exists et_tls_saved] { |
| verbose "check_effective_target_tls: using cached result" 2 |
| } else { |
| set et_tls_saved 1 |
| |
| set src tls[pid].c |
| set asm tls[pid].S |
| verbose "check_effective_target_tls: compiling testfile $src" 2 |
| set f [open $src "w"] |
| # Compile a small test program. |
| puts $f "__thread int i;\n" |
| close $f |
| |
| # Test for thread-local data supported by the platform. |
| set comp_output \ |
| [${tool}_target_compile $src $asm assembly ""] |
| file delete $src |
| if { [string match "*not supported*" $comp_output] } { |
| set et_tls_saved 0 |
| } |
| remove-build-file $asm |
| } |
| verbose "check_effective_target_tls: returning $et_tls_saved" 2 |
| return $et_tls_saved |
| } |
| |
| # Return 1 if TLS executables can run correctly, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_tls_runtime {} { |
| global et_tls_runtime_saved |
| global tool |
| |
| if [info exists et_tls_runtime_saved] { |
| verbose "check_effective_target_tls_runtime: using cached result" 2 |
| } else { |
| set et_tls_runtime_saved 0 |
| |
| set src tls_runtime[pid].c |
| set exe tls_runtime[pid].x |
| verbose "check_effective_target_tls_runtime: compiling testfile $src" 2 |
| set f [open $src "w"] |
| # Compile a small test program. |
| puts $f "__thread int thr = 0;\n" |
| puts $f "int main(void)\n {\n return thr;\n}" |
| close $f |
| |
| set comp_output \ |
| [${tool}_target_compile $src $exe executable ""] |
| file delete $src |
| |
| if [string match "" $comp_output] then { |
| # No error messages, everything is OK. |
| |
| set result [remote_load target "./$exe" "" ""] |
| set status [lindex $result 0] |
| remote_file build delete $exe |
| |
| verbose "check_effective_target_tls_runtime status is <$status>" 2 |
| |
| if { $status == "pass" } { |
| set et_tls_runtime_saved 1 |
| } |
| |
| verbose "check_effective_target_tls_runtime: returning $et_tls_runtime_saved" 2 |
| } |
| } |
| |
| return $et_tls_runtime_saved |
| } |
| |
| # Return 1 if compilation with -fopenmp is error-free for trivial |
| # code, 0 otherwise. |
| |
| proc check_effective_target_fopenmp {} { |
| return [check_no_compiler_messages fopenmp object { |
| void foo (void) { } |
| } "-fopenmp"] |
| } |
| |
| # Return 1 if compilation with -freorder-blocks-and-partition is error-free |
| # for trivial code, 0 otherwise. |
| |
| proc check_effective_target_freorder {} { |
| return [check_no_compiler_messages freorder object { |
| void foo (void) { } |
| } "-freorder-blocks-and-partition"] |
| } |
| |
| # 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. |
| |
| proc check_effective_target_fpic { } { |
| # 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. |
| foreach arg {fpic fPIC} { |
| if [check_no_compiler_messages $arg object { |
| extern int foo (void); extern int bar; |
| int baz (void) { return foo () + bar; } |
| } "-$arg"] { |
| return 1 |
| } |
| } |
| return 0 |
| } |
| |
| # Return true if the target supports -mpaired-single (as used on MIPS). |
| |
| proc check_effective_target_mpaired_single { } { |
| return [check_no_compiler_messages mpaired_single object { |
| void foo (void) { } |
| } "-mpaired-single"] |
| } |
| |
| # Return true if iconv is supported on the target. In particular IBM1047. |
| |
| 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. |
| |
| proc check_named_sections_available { } { |
| return [check_no_compiler_messages named_sections assembly { |
| int __attribute__ ((section("whatever"))) foo; |
| }] |
| } |
| |
| # 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 |
| |
| if { ![info exists et_fortran_large_real_target_name] } { |
| set et_fortran_large_real_target_name "" |
| } |
| |
| # If the target has changed since we set the cached value, clear it. |
| set current_target [current_target_name] |
| if { $current_target != $et_fortran_large_real_target_name } { |
| verbose "check_effective_target_fortran_large_real: `$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 "x = cos (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 we can statically link libgfortran, 0 otherwise. |
| # |
| # When the target name changes, replace the cached result. |
| |
| proc check_effective_target_static_libgfortran { } { |
| global et_static_libgfortran |
| global et_static_libgfortran_target_name |
| global tool |
| |
| if { ![info exists et_static_libgfortran_target_name] } { |
| set et_static_libgfortran_target_name "" |
| } |
| |
| # If the target has changed since we set the cached value, clear it. |
| set current_target [current_target_name] |
| if { $current_target != $et_static_libgfortran_target_name } { |
| verbose "check_effective_target_static_libgfortran: `$et_static_libgfortran_target_name' `$current_target'" 2 |
| set et_static_libgfortran_target_name $current_target |
| if [info exists et_static_libgfortran_saved] { |
| verbose "check_effective_target_static_libgfortran: removing cached result" 2 |
| unset et_static_libgfortran_saved |
| } |
| } |
| |
| if [info exists et_static_libgfortran_saved] { |
| verbose "check_effective_target_static_libgfortran returning saved $et_static_libgfortran_saved" 2 |
| } else { |
| set et_static_libgfortran_saved 0 |
| |
| # Set up, compile, and execute a test program using static linking. |
| # Include the current process ID in the file names to prevent |
| # conflicts with invocations for multiple testsuites. |
| set opts "additional_flags=-static" |
| set src static[pid].f |
| set exe static[pid].x |
| |
| set f [open $src "w"] |
| puts $f " print *, 'test'" |
| puts $f " end" |
| close $f |
| |
| verbose "check_effective_target_static_libgfortran compiling testfile $src" 2 |
| set lines [${tool}_target_compile $src $exe executable "$opts"] |
| file delete $src |
| |
| if [string match "" $lines] then { |
| # No error message, compilation succeeded. |
| set et_static_libgfortran_saved 1 |
| } |
| } |
| |
| return $et_static_libgfortran_saved |
| } |
| |
| # 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 |
| |
| # 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 $exe executable "$opts"] |
| 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 "#ifdef __cplusplus\nextern \"C\"\n#endif\n" |
| puts $f "char $function ();\n" |
| 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"] |
| } |
| |
| # Returns true iff "__cxa_atexit" is used on the target system. |
| |
| proc check_cxa_atexit_available { } { |
| global et_cxa_atexit |
| global et_cxa_atexit_target_name |
| global tool |
| |
| if { ![info exists et_cxa_atexit_target_name] } { |
| set et_cxa_atexit_target_name "" |
| } |
| |
| # If the target has changed since we set the cached value, clear it. |
| set current_target [current_target_name] |
| if { $current_target != $et_cxa_atexit_target_name } { |
| verbose "check_cxa_atexit_available: `$et_cxa_atexit_target_name'" 2 |
| set et_cxa_atexit_target_name $current_target |
| if [info exists et_cxa_atexit] { |
| verbose "check_cxa_atexit_available: removing cached result" 2 |
| unset et_cxa_atexit |
| } |
| } |
| |
| if [info exists et_cxa_atexit] { |
| verbose "check_cxa_atexit_available: using cached result" 2 |
| } elseif { [istarget "hppa*-*-hpux10*"] } { |
| # HP-UX 10 doesn't have __cxa_atexit but subsequent test passes. |
| set et_cxa_atexit 0 |
| } else { |
| set et_cxa_atexit 0 |
| |
| # Set up, compile, and execute a C++ test program that depends |
| # on correct ordering of static object destructors. This is |
| # indicative of the presence and use of __cxa_atexit. |
| set src cxaatexit[pid].cc |
| set exe cxaatexit[pid].x |
| |
| set f [open $src "w"] |
| puts $f "#include <stdlib.h>" |
| puts $f "static unsigned int count;" |
| puts $f "struct X" |
| puts $f "{" |
| puts $f " X() { count = 1; }" |
| puts $f " ~X()" |
| puts $f " {" |
| puts $f " if (count != 3)" |
| puts $f " exit(1);" |
| puts $f " count = 4;" |
| puts $f " }" |
| puts $f "};" |
| puts $f "void f()" |
| puts $f "{" |
| puts $f " static X x;" |
| puts $f "}" |
| puts $f "struct Y" |
| puts $f "{" |
| puts $f " Y() { f(); count = 2; }" |
| puts $f " ~Y()" |
| puts $f " {" |
| puts $f " if (count != 2)" |
| puts $f " exit(1);" |
| puts $f " count = 3;" |
| puts $f " }" |
| puts $f "};" |
| puts $f "Y y;" |
| puts $f "int main()" |
| puts $f "{ return 0; }" |
| close $f |
| |
| set lines [${tool}_target_compile $src $exe executable ""] |
| 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 $exe |
| |
| verbose "check_cxa_atexit_available: status is <$status>" 2 |
| |
| if { $status == "pass" } { |
| set et_cxa_atexit 1 |
| } |
| } else { |
| verbose "check_cxa_atexit_available: compilation failed" 2 |
| } |
| } |
| return $et_cxa_atexit |
| } |
| |
| |
| # Return 1 if we're generating 32-bit code using default options, 0 |
| # otherwise. |
| |
| proc check_effective_target_ilp32 { } { |
| return [check_no_compiler_messages ilp32 object { |
| int dummy[sizeof (int) == 4 |
| && sizeof (void *) == 4 |
| && sizeof (long) == 4 ? 1 : -1]; |
| }] |
| } |
| |
| # Return 1 if we're generating 32-bit or larger integers using default |
| # options, 0 otherwise. |
| |
| proc check_effective_target_int32plus { } { |
| return [check_no_compiler_messages int32plus object { |
| int dummy[sizeof (int) >= 4 ? 1 : -1]; |
| }] |
| } |
| |
| # Return 1 if we're generating 32-bit or larger pointers using default |
| # options, 0 otherwise. |
| |
| proc check_effective_target_ptr32plus { } { |
| return [check_no_compiler_messages ptr32plus object { |
| int dummy[sizeof (void *) >= 4 ? 1 : -1]; |
| }] |
| } |
| |
| # Return 1 if we support 32-bit or larger array and structure sizes |
| # using default options, 0 otherwise. |
| |
| proc check_effective_target_size32plus { } { |
| return [check_no_compiler_messages size32plus object { |
| char dummy[65537]; |
| }] |
| } |
| |
| # Returns 1 if we're generating 16-bit or smaller integers with the |
| # default options, 0 otherwise. |
| |
| proc check_effective_target_int16 { } { |
| return [check_no_compiler_messages int16 object { |
| int dummy[sizeof (int) < 4 ? 1 : -1]; |
| }] |
| } |
| |
| # Return 1 if we're generating 64-bit code using default options, 0 |
| # otherwise. |
| |
| proc check_effective_target_lp64 { } { |
| return [check_no_compiler_messages lp64 object { |
| int dummy[sizeof (int) == 4 |
| && sizeof (void *) == 8 |
| && sizeof (long) == 8 ? 1 : -1]; |
| }] |
| } |
| |
| # Return 1 if the target supports compiling decimal floating point, |
| # 0 otherwise. |
| |
| proc check_effective_target_dfp_nocache { } { |
| verbose "check_effective_target_dfp_nocache: compiling source" 2 |
| set ret [string match "" [get_compiler_messages dfp 0 object { |
| _Decimal32 x; _Decimal64 y; _Decimal128 z; |
| }]] |
| verbose "check_effective_target_dfp_nocache: returning $ret" 2 |
| return $ret |
| } |
| |
| proc check_effective_target_dfprt_nocache { } { |
| global tool |
| |
| set ret 0 |
| |
| verbose "check_effective_target_dfprt_nocache: compiling source" 2 |
| # Set up, compile, and execute a test program containing decimal |
| # float operations. |
| set src dfprt[pid].c |
| set exe dfprt[pid].x |
| |
| set f [open $src "w"] |
| puts $f "_Decimal32 x = 1.2df; _Decimal64 y = 2.3dd; _Decimal128 z;" |
| puts $f "int main () { z = x + y; return 0; }" |
| close $f |
| |
| verbose "check_effective_target_dfprt_nocache: 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 $exe |
| verbose "check_effective_target_dfprt_nocache: testfile status is <$status>" 2 |
| if { $status == "pass" } then { |
| set ret 1 |
| } |
| } |
| return $ret |
| verbose "check_effective_target_dfprt_nocache: returning $ret" 2 |
| } |
| |
| # Return 1 if the target supports compiling Decimal Floating Point, |
| # 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_dfp { } { |
| global et_dfp_saved |
| |
| if [info exists et_dfp_saved] { |
| verbose "check_effective_target_dfp: using cached result" 2 |
| } else { |
| set et_dfp_saved [check_effective_target_dfp_nocache] |
| } |
| verbose "check_effective_target_dfp: returning $et_dfp_saved" 2 |
| return $et_dfp_saved |
| } |
| |
| # Return 1 if the target supports linking and executing Decimal Floating |
| # Point, # 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_dfprt { } { |
| global et_dfprt_saved |
| global tool |
| |
| if [info exists et_dfprt_saved] { |
| verbose "check_effective_target_dfprt: using cached result" 2 |
| } else { |
| set et_dfprt_saved [check_effective_target_dfprt_nocache] |
| } |
| verbose "check_effective_target_dfprt: returning $et_dfprt_saved" 2 |
| return $et_dfprt_saved |
| } |
| |
| # Return 1 if the target needs a command line argument to enable a SIMD |
| # instruction set. |
| |
| proc check_effective_target_vect_cmdline_needed { } { |
| global et_vect_cmdline_needed_saved |
| global et_vect_cmdline_needed_target_name |
| |
| if { ![info exists et_vect_cmdline_needed_target_name] } { |
| set et_vect_cmdline_needed_target_name "" |
| } |
| |
| # If the target has changed since we set the cached value, clear it. |
| set current_target [current_target_name] |
| if { $current_target != $et_vect_cmdline_needed_target_name } { |
| verbose "check_effective_target_vect_cmdline_needed: `$et_vect_cmdline_needed_target_name' `$current_target'" 2 |
| set et_vect_cmdline_needed_target_name $current_target |
| if { [info exists et_vect_cmdline_needed_saved] } { |
| verbose "check_effective_target_vect_cmdline_needed: removing cached result" 2 |
| unset 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-*-*] || [istarget i?86-*-*]) |
| && [check_effective_target_lp64]) |
| || ([istarget powerpc*-*-*] |
| && ([check_effective_target_powerpc_spe] |
| || [check_effective_target_powerpc_altivec]))} { |
| 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 |
| # APPLE LOCAL begin v7 merge |
| if { [istarget i?86-*-*] |
| || [istarget powerpc*-*-*] |
| || [istarget spu-*-*] |
| || [istarget x86_64-*-*] |
| || [istarget sparc*-*-*] |
| || [istarget alpha*-*-*] |
| || [istarget ia64-*-*] |
| || [check_effective_target_arm32] } { |
| # APPLE LOCAL end v7 merge |
| 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 |
| # APPLE LOCAL v7 merge |
| 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 this is an ARM target supporting -mfpu=vfp |
| # -mfloat-abi=softfp. Some multilibs may be incompatible with these |
| # options. |
| |
| # APPLE LOCAL begin check for FP needs to be sensitive to thumb vs thumb2 |
| proc check_effective_target_arm_vfp_ok { } { |
| global compiler_flags |
| global TOOL_OPTIONS |
| set compiler_flags "" |
| # If running a subset of the test suite, $TOOL_OPTIONS may not exist. |
| catch {append compiler_flags " $TOOL_OPTIONS "} |
| return [check_no_messages_and_pattern arm_vfp_ok \ |
| "ARM_VFP_OK" assembly " |
| #if __VFP_FP__ && (!__thumb__ || __thumb2__) |
| #define ARM_VFP_OK 1 |
| #endif |
| " "$compiler_flags -mfpu=vfp -mfloat-abi=softfp -E -Wp,-dD,-dM"] |
| } |
| |
| # Return 1 if this is an ARM target supporting -mfpu=neon |
| # -mfloat-abi=softfp. Some multilibs may be incompatible with these |
| # options. |
| |
| proc check_effective_target_arm_neon_ok { } { |
| global compiler_flags |
| global TOOL_OPTIONS |
| set compiler_flags "" |
| if { [istarget arm*-*-*] } { |
| # If running a subset of the test suite, $TOOL_OPTIONS may not exist. |
| catch {append compiler_flags " $TOOL_OPTIONS "} |
| return [check_no_messages_and_pattern arm_neon_ok \ |
| "ARM_NEON_OK" assembly " |
| #if __ARM_NEON__ && (!__thumb__ || __thumb2__) |
| #define ARM_NEON_OK 1 |
| #endif |
| " "$compiler_flags -mfpu=neon -mfloat-abi=softfp -E -Wp,-dD,-dM"] |
| } |
| return 0; |
| } |
| # APPLE LOCAL end check for FP needs to be sensitive to thumb vs thumb2 |
| |
| # APPLE LOCAL begin v7 merge |
| # Return 1 if the target supports executing NEON instructions, 0 |
| # otherwise. Cache the result. |
| |
| proc check_effective_target_arm_neon_hw { } { |
| global arm_neon_hw_available_saved |
| global tool |
| |
| if [info exists arm_neon_hw_available_saved] { |
| verbose "check_arm_neon_hw_available returning saved $arm_neon_hw_available_saved" 2 |
| } else { |
| set arm_neon_hw_available_saved 0 |
| |
| # Set up, compile, and execute a test program containing NEON |
| # instructions. Include the current process ID in the file |
| # names to prevent conflicts with invocations for multiple |
| # testsuites. |
| set src neon[pid].c |
| set exe neon[pid].x |
| |
| set f [open $src "w"] |
| puts $f "int main() {" |
| puts $f " long long a = 0, b = 1;" |
| puts $f " asm (\"vorr %P0, %P1, %P2\"" |
| puts $f " : \"=w\" (a)" |
| puts $f " : \"0\" (a), \"w\" (b));" |
| puts $f " return (a != 1);" |
| puts $f "}" |
| close $f |
| |
| set opts "additional_flags=-mfpu=neon additional_flags=-mfloat-abi=softfp" |
| |
| verbose "check_arm_neon_hw_available compiling testfile $src" 2 |
| set lines [${tool}_target_compile $src $exe executable "$opts"] |
| 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 $exe |
| verbose "check_arm_neon_hw_available testfile status is <$status>" 2 |
| |
| if { $status == "pass" } then { |
| set arm_neon_hw_available_saved 1 |
| } |
| } else { |
| verbose "check_arm_neon_hw_availalble testfile compilation failed" 2 |
| } |
| } |
| |
| return $arm_neon_hw_available_saved |
| } |
| # APPLE LOCAL end v7 merge |
| # Return 1 if this is a PowerPC target with floating-point registers. |
| |
| proc check_effective_target_powerpc_fprs { } { |
| if { [istarget powerpc*-*-*] |
| || [istarget rs6000-*-*] } { |
| return [check_no_compiler_messages powerpc_fprs object { |
| #ifdef __NO_FPRS__ |
| #error no FPRs |
| #else |
| int dummy; |
| #endif |
| }] |
| } else { |
| return 0 |
| } |
| } |
| |
| # Return 1 if this is a PowerPC target supporting -maltivec. |
| |
| proc check_effective_target_powerpc_altivec_ok { } { |
| if { [istarget powerpc*-*-*] |
| || [istarget rs6000-*-*] } { |
| # AltiVec is not supported on Aix. |
| if { [istarget powerpc*-*-aix*] } { |
| return 0 |
| } |
| return [check_no_compiler_messages powerpc_altivec_ok object { |
| int dummy; |
| } "-maltivec"] |
| } else { |
| return 0 |
| } |
| } |
| |
| # Return 1 if this is a PowerPC target with SPE enabled. |
| |
| proc check_effective_target_powerpc_spe { } { |
| if { [istarget powerpc*-*-*] } { |
| return [check_no_compiler_messages powerpc_spe object { |
| #ifndef __SPE__ |
| #error not SPE |
| #else |
| int dummy; |
| #endif |
| }] |
| } else { |
| return 0 |
| } |
| } |
| |
| # Return 1 if this is a PowerPC target with Altivec enabled. |
| |
| proc check_effective_target_powerpc_altivec { } { |
| if { [istarget powerpc*-*-*] } { |
| return [check_no_compiler_messages powerpc_altivec object { |
| #ifndef __ALTIVEC__ |
| #error not Altivec |
| #else |
| int dummy; |
| #endif |
| }] |
| } else { |
| return 0 |
| } |
| } |
| |
| # 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 |
| # APPLE LOCAL begin v7 merge |
| if { [istarget powerpc*-*-*] |
| || [istarget ia64-*-*] |
| || [istarget i?86-*-*] |
| || [istarget x86_64-*-*] |
| || [check_effective_target_arm32] } { |
| # APPLE LOCAL end v7 merge |
| 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 { } { |
| # APPLE LOCAL begin v7 merge |
| if { [istarget i?86-*-*] |
| || ([istarget powerpc*-*-*] && [check_effective_target_ilp32]) |
| || [istarget x86_64-*-*] |
| || [check_effective_target_arm32] |
| || ([istarget sparc*-*-*] && [check_effective_target_ilp32]) } { |
| # APPLE LOCAL end v7 merge |
| 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 |
| # APPLE LOCAL begin v7 merge |
| if { [istarget i?86-*-*] |
| || [istarget powerpc*-*-*] |
| || [istarget spu-*-*] |
| || [istarget mipsisa64*-*-*] |
| || [istarget x86_64-*-*] |
| || [istarget ia64-*-*] |
| || [check_effective_target_arm32] } { |
| # APPLE LOCAL end v7 merge |
| 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-*-*] |
| || [istarget spu-*-*] } { |
| set et_vect_double_saved 1 |
| } |
| } |
| |
| verbose "check_effective_target_vect_double: returning $et_vect_double_saved" 2 |
| return $et_vect_double_saved |
| } |
| |
| # Return 0 if the target supports hardware comparison of vectors of double, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_no_compare_double { } { |
| global et_vect_no_compare_double_saved |
| |
| if [info exists et_vect_no_compare_double_saved] { |
| verbose "check_effective_target_vect_no_compare_double: using cached result" 2 |
| } else { |
| set et_vect_no_compare_double_saved 0 |
| if { [istarget spu-*-*] } { |
| set et_vect_no_compare_double_saved 1 |
| } |
| } |
| |
| verbose "check_effective_target_vect_no_compare_double: returning $et_vect_no_compare_double_saved" 2 |
| return $et_vect_no_compare_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 spu-*-*] |
| || [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 supports a vector |
| # widening summation of *short* args into *int* result, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_widen_sum_hi_to_si { } { |
| global et_vect_widen_sum_hi_to_si |
| |
| if [info exists et_vect_widen_sum_hi_to_si_saved] { |
| verbose "check_effective_target_vect_widen_sum_hi_to_si: using cached result" 2 |
| } else { |
| set et_vect_widen_sum_hi_to_si_saved 0 |
| if { [istarget powerpc*-*-*] |
| || [istarget ia64-*-*] } { |
| set et_vect_widen_sum_hi_to_si_saved 1 |
| } |
| } |
| verbose "check_effective_target_vect_widen_sum_hi_to_si: returning $et_vect_widen_sum_hi_to_si_saved" 2 |
| return $et_vect_widen_sum_hi_to_si_saved |
| } |
| |
| # Return 1 if the target plus current options supports a vector |
| # widening summation of *char* args into *short* result, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_widen_sum_qi_to_hi { } { |
| global et_vect_widen_sum_qi_to_hi |
| |
| if [info exists et_vect_widen_sum_qi_to_hi_saved] { |
| verbose "check_effective_target_vect_widen_sum_qi_to_hi: using cached result" 2 |
| } else { |
| set et_vect_widen_sum_qi_to_hi_saved 0 |
| if { [istarget ia64-*-*] } { |
| set et_vect_widen_sum_qi_to_hi_saved 1 |
| } |
| } |
| verbose "check_effective_target_vect_widen_sum_qi_to_hi: returning $et_vect_widen_sum_qi_to_hi_saved" 2 |
| return $et_vect_widen_sum_qi_to_hi_saved |
| } |
| |
| # Return 1 if the target plus current options supports a vector |
| # widening summation of *char* args into *int* result, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_widen_sum_qi_to_si { } { |
| global et_vect_widen_sum_qi_to_si |
| |
| if [info exists et_vect_widen_sum_qi_to_si_saved] { |
| verbose "check_effective_target_vect_widen_sum_qi_to_si: using cached result" 2 |
| } else { |
| set et_vect_widen_sum_qi_to_si_saved 0 |
| if { [istarget powerpc*-*-*] } { |
| set et_vect_widen_sum_qi_to_si_saved 1 |
| } |
| } |
| verbose "check_effective_target_vect_widen_sum_qi_to_si: returning $et_vect_widen_sum_qi_to_si_saved" 2 |
| return $et_vect_widen_sum_qi_to_si_saved |
| } |
| |
| # Return 1 if the target plus current options supports a vector |
| # widening summation, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_widen_sum { } { |
| global et_vect_widen_sum |
| |
| if [info exists et_vect_widen_sum_saved] { |
| verbose "check_effective_target_vect_widen_sum: using cached result" 2 |
| } else { |
| set et_vect_widen_sum_saved 0 |
| if { [istarget powerpc*-*-*] |
| || [istarget ia64-*-*] } { |
| set et_vect_widen_sum_saved 1 |
| } |
| } |
| verbose "check_effective_target_vect_widen_sum: returning $et_vect_widen_sum_saved" 2 |
| return $et_vect_widen_sum_saved |
| } |
| |
| # Return 1 if the target plus current options supports a vector |
| # dot-product of signed chars, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_sdot_qi { } { |
| global et_vect_sdot_qi |
| |
| if [info exists et_vect_sdot_qi_saved] { |
| verbose "check_effective_target_vect_sdot_qi: using cached result" 2 |
| } else { |
| set et_vect_sdot_qi_saved 0 |
| if { [istarget ia64-*-*] } { |
| set et_vect_sdot_qi_saved 1 |
| } |
| } |
| verbose "check_effective_target_vect_sdot_qi: returning $et_vect_sdot_qi_saved" 2 |
| return $et_vect_sdot_qi_saved |
| } |
| |
| # Return 1 if the target plus current options supports a vector |
| # dot-product of unsigned chars, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_udot_qi { } { |
| global et_vect_udot_qi |
| |
| if [info exists et_vect_udot_qi_saved] { |
| verbose "check_effective_target_vect_udot_qi: using cached result" 2 |
| } else { |
| set et_vect_udot_qi_saved 0 |
| if { [istarget powerpc*-*-*] |
| || [istarget ia64-*-*] } { |
| set et_vect_udot_qi_saved 1 |
| } |
| } |
| verbose "check_effective_target_vect_udot_qi: returning $et_vect_udot_qi_saved" 2 |
| return $et_vect_udot_qi_saved |
| } |
| |
| # Return 1 if the target plus current options supports a vector |
| # dot-product of signed shorts, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_sdot_hi { } { |
| global et_vect_sdot_hi |
| |
| if [info exists et_vect_sdot_hi_saved] { |
| verbose "check_effective_target_vect_sdot_hi: using cached result" 2 |
| } else { |
| set et_vect_sdot_hi_saved 0 |
| if { [istarget powerpc*-*-*] |
| || [istarget i?86-*-*] |
| || [istarget x86_64-*-*] |
| || [istarget ia64-*-*] } { |
| set et_vect_sdot_hi_saved 1 |
| } |
| } |
| verbose "check_effective_target_vect_sdot_hi: returning $et_vect_sdot_hi_saved" 2 |
| return $et_vect_sdot_hi_saved |
| } |
| |
| # Return 1 if the target plus current options supports a vector |
| # dot-product of unsigned shorts, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_udot_hi { } { |
| global et_vect_udot_hi |
| |
| if [info exists et_vect_udot_hi_saved] { |
| verbose "check_effective_target_vect_udot_hi: using cached result" 2 |
| } else { |
| set et_vect_udot_hi_saved 0 |
| if { [istarget powerpc*-*-*] } { |
| set et_vect_udot_hi_saved 1 |
| } |
| } |
| verbose "check_effective_target_vect_udot_hi: returning $et_vect_udot_hi_saved" 2 |
| return $et_vect_udot_hi_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 |
| # APPLE LOCAL begin v7 merge |
| if { [istarget mipsisa64*-*-*] |
| || [istarget sparc*-*-*] |
| || [istarget ia64-*-*] |
| || [check_effective_target_arm32] } { |
| # APPLE LOCAL end v7 merge |
| 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 4.2 5569774 |
| # Return 1 if arrays are naturally aligned to the vector |
| # alignment boundary, 0 otherwise. |
| # |
| # This won't change for different subtargets so cache the result. |
| |
| proc check_effective_target_vect_aligned_arrays { } { |
| global et_vect_aligned_arrays |
| |
| if [info exists et_vect_aligned_arrays_saved] { |
| verbose "check_effective_target_vect_aligned_arrays: using cached result" 2 |
| } else { |
| set et_vect_aligned_arrays_saved 0 |
| if { ([istarget x86_64-*-*] |
| || [istarget i?86-*-*]) && [is-effective-target lp64] } { |
| set et_vect_aligned_arrays_saved 1 |
| } |
| } |
| verbose "check_effective_target_vect_aligned_arrays: returning $et_vect_aligned_arrays_saved" 2 |
| return $et_vect_aligned_arrays_saved |
| } |
| # APPLE LOCAL end mainline 4.2 5569774 |
| |
| # 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 char multiplication, 0 otherwise. |
| |
| proc check_effective_target_vect_char_mult { } { |
| global et_vect_char_mult_saved |
| |
| if [info exists et_vect_char_mult_saved] { |
| verbose "check_effective_target_vect_char_mult: using cached result" 2 |
| } else { |
| set et_vect_char_mult_saved 0 |
| if { [istarget ia64-*-*] |
| || [istarget i?86-*-*] |
| || [istarget x86_64-*-*] } { |
| set et_vect_char_mult_saved 1 |
| } |
| } |
| |
| verbose "check_effective_target_vect_char_mult: returning $et_vect_char_mult_saved" 2 |
| return $et_vect_char_mult_saved |
| } |
| |
| # Return 1 if the target supports vector short multiplication, 0 otherwise. |
| |
| proc check_effective_target_vect_short_mult { } { |
| global et_vect_short_mult_saved |
| |
| if [info exists et_vect_short_mult_saved] { |
| verbose "check_effective_target_vect_short_mult: using cached result" 2 |
| } else { |
| set et_vect_short_mult_saved 0 |
| if { [istarget ia64-*-*] |
| || [istarget i?86-*-*] |
| || [istarget x86_64-*-*] } { |
| set et_vect_short_mult_saved 1 |
| } |
| } |
| |
| verbose "check_effective_target_vect_short_mult: returning $et_vect_short_mult_saved" 2 |
| return $et_vect_short_mult_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 |
| # APPLE LOCAL begin v7 merge |
| if { [istarget powerpc*-*-*] |
| || [istarget i?86-*-*] |
| || [istarget x86_64-*-*] |
| || [check_effective_target_arm32] } { |
| # APPLE LOCAL end v7 merge |
| 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 section-anchors |
| |
| proc check_effective_target_section_anchors { } { |
| global et_section_anchors_saved |
| |
| if [info exists et_section_anchors_saved] { |
| verbose "check_effective_target_section_anchors: using cached result" 2 |
| } else { |
| set et_section_anchors_saved 0 |
| if { [istarget powerpc*-*-*] } { |
| set et_section_anchors_saved 1 |
| } |
| } |
| |
| verbose "check_effective_target_section_anchors: returning $et_section_anchors_saved" 2 |
| return $et_section_anchors_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. |
| # APPLE LOCAL begin 6258536 atomic builtins |
| if { [istarget ia64-*-*] |
| || [istarget i?86-*-*] |
| || [istarget arm*-*-darwin*] |
| || [istarget x86_64-*-*] |
| || [istarget alpha*-*-*] |
| || [istarget s390*-*-*] |
| || [istarget powerpc*-*-*] |
| || [istarget sparc64-*-*] |
| || [istarget sparcv9-*-*] } { |
| # APPLE LOCAL end 6258536 atomic builtins |
| 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 s390*-*-*] |
| || [istarget powerpc*-*-*] |
| || [istarget sparc64-*-*] |
| || [istarget sparcv9-*-*] } { |
| 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 |
| } |
| |
| # APPLE LOCAL begin 5660282 |
| # Return 1 if the target supports the -fobjc-gc option. |
| |
| proc check_effective_target_objc_gc { } { |
| global et_objc_gc_saved |
| |
| if [info exists et_objc_gc_saved] { |
| verbose "check_effective_target_objc_gc: using cached result" 2 |
| } else { |
| set et_objc_gc_saved 0 |
| if { [istarget powerpc*-*-darwin*] |
| || [istarget i?86*-*-darwin*] } { |
| set et_objc_gc_saved 1 |
| } |
| } |
| verbose "check_effective_target_objc_gc: returning $et_objc_gc_saved" 2 |
| return $et_objc_gc_saved |
| } |
| # APPLE LOCAL end 5660282 |
| |
| # Return 1 if the target matches the effective target 'arg', 0 otherwise. |
| # This can be used with any check_* proc that takes no argument and |
| # returns only 1 or 0. It could be used with check_* procs that take |
| # arguments with keywords that pass particular arguments. |
| |
| proc is-effective-target { arg } { |
| set selected 0 |
| if { [info procs check_effective_target_${arg}] != [list] } { |
| set selected [check_effective_target_${arg}] |
| } else { |
| switch $arg { |
| "vmx_hw" { set selected [check_vmx_hw_available] } |
| "named_sections" { set selected [check_named_sections_available] } |
| "gc_sections" { set selected [check_gc_sections_available] } |
| "cxa_atexit" { set selected [check_cxa_atexit_available] } |
| default { error "unknown effective target keyword `$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 } |
| "cxa_atexit" { return 1 } |
| default { return 0 } |
| } |
| } |
| } |
| |
| # Return 1 if target default to short enums |
| |
| proc check_effective_target_short_enums { } { |
| return [check_no_compiler_messages short_enums assembly { |
| enum foo { bar }; |
| int s[sizeof (enum foo) == 1 ? 1 : -1]; |
| }] |
| } |
| |
| # Return 1 if target supports merging string constants at link time. |
| |
| proc check_effective_target_string_merging { } { |
| return [check_no_messages_and_pattern string_merging \ |
| "rodata\\.str" assembly { |
| const char *var = "String"; |
| } {-O2}] |
| } |
| |
| # Return 1 if programs are intended to be run on a simulator |
| # (i.e. slowly) rather than hardware (i.e. fast). |
| |
| proc check_effective_target_simulator { } { |
| |
| # All "src/sim" simulators set this one. |
| if [board_info target exists is_simulator] { |
| return [board_info target is_simulator] |
| } |
| |
| # The "sid" simulators don't set that one, but at least they set |
| # this one. |
| if [board_info target exists slow_simulator] { |
| return [board_info target slow_simulator] |
| } |
| |
| return 0 |
| } |
| |
| # LLVM LOCAL begin |
| # This is used to disable various tests for llvm. |
| proc is_llvm { } { |
| return 1 |
| } |
| # LLVM LOCAL end |