-# Copyright (C) 1999, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 1999, 2001, 2003, 2004, 2005, 2006
+# Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# Please email any bugs, comments, and/or additions to this file to:
# gcc-patches@gcc.gnu.org
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_effective_target $prop: compiling source for $target" 2
+ set et_cache($prop,target) $target
+ set et_cache($prop,value) \
+ [string match "" [eval get_compiler_messages $prop $args]]
+ }
+ set value $et_cache($prop,value)
+ verbose "check_effective_target $prop: returning $value for $target" 2
+ return $value
+}
+
###############################
# proc check_weak_available { }
###############################
# 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] } {
+ if { [istarget *-*-netware*] } {
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 "
+ return [check_no_compiler_messages visibility_available_$what_kind object "
void f() __attribute__((visibility(\"$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
}
###############################
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
|| [istarget xscale*-*-elf]
|| [istarget cris-*-*]
|| [istarget h8300-*-*]
+ || [istarget m32c-*-elf]
+ || [istarget m68k-*-elf]
|| [istarget mips*-*-elf]
|| [istarget xtensa-*-elf]
|| [istarget *-*-windiss] } {
return $profiling_available_saved
}
-# 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.
+# 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.
#
-# When the target name changes, replace the cached result.
+# This won't change for different subtargets so cache the result.
-proc check_effective_target_fpic { } {
- global et_fpic_saved
- global et_fpic_target_name
+proc check_effective_target_tls {} {
+ global et_tls_saved
- if { ![info exists et_fpic_target_name] } {
- set et_fpic_target_name ""
- }
+ if [info exists et_tls_saved] {
+ verbose "check_effective_target_tls: using cached result" 2
+ } else {
+ set et_tls_saved 1
- # If the target has changed since we set the cached value, clear it.
- set current_target [current_target_name]
- if { $current_target != $et_fpic_target_name } {
- verbose "check_effective_target_fpic: `$et_fpic_target_name'" 2
- set et_fpic_target_name $current_target
- if [info exists et_fpic_saved] {
- verbose "check_effective_target_fpic: removing cached result" 2
- unset et_fpic_saved
+ 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 \
+ [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
+}
- if [info exists et_fpic_saved] {
- verbose "check_effective_target_fpic: using cached result" 2
+# 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
+
+ if [info exists et_tls_runtime_saved] {
+ verbose "check_effective_target_tls_runtime: using cached result" 2
} else {
- verbose "check_effective_target_fpic: compiling source" 2
+ 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 \
+ [target_compile $src $exe executable ""]
+ file delete $src
- # Note that M68K has a multilib that supports -fpic but not
- # -fPIC, so we need to check both. We test with a program that
- # requires GOT references.
- set et_fpic_saved [string match "" [get_compiler_messages fpic object {
+ 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; }
- } "-fpic"]]
-
- if { $et_fpic_saved != 0 } {
- set et_fpic_saved [string match "" [get_compiler_messages fpic object {
- extern int foo (void); extern int bar;
- int baz (void) { return foo () + bar; }
- } "-fPIC"]]
+ } "-$arg"] {
+ return 1
}
}
- verbose "check_effective_target_fpic: returning $et_fpic_saved" 2
- return $et_fpic_saved
+ 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 freorder object {
+ void foo (void) { }
+ } "-mpaired-single"]
}
# Return true if iconv is supported on the target. In particular IBM1047.
}
# 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
- set answer [string match "" [get_compiler_messages named object {
+ return [check_no_compiler_messages named_sections assembly {
int __attribute__ ((section("whatever"))) foo;
- }]]
- verbose "check_named_sections_available: returning $answer" 2
- return $answer
+ }]
+}
+
+# Return 1 if the target supports Fortran real kinds larger than real(8),
+# 0 otherwise.
+#
+# When the target name changes, replace the cached result.
+
+proc check_effective_target_fortran_large_real { } {
+ global et_fortran_large_real_saved
+ global et_fortran_large_real_target_name
+ global tool
+
+ 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
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.
+# Returns true iff "__cxa_atexit" is used on the target system.
-proc check_effective_target_ilp32 { } {
- global et_ilp32_saved
- global et_ilp32_target_name
+proc check_cxa_atexit_available { } {
+ global et_cxa_atexit
+ global et_cxa_atexit_target_name
+ global tool
- if { ![info exists et_ilp32_target_name] } {
- set et_ilp32_target_name ""
+ 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 != $et_ilp32_target_name } {
- verbose "check_effective_target_ilp32: `$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 { $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_ilp32_saved] {
- verbose "check-effective_target_ilp32: using cached result" 2
+ if [info exists et_cxa_atexit] {
+ verbose "check_cxa_atexit_available: 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];
- }]]
+ 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
+ }
}
- verbose "check_effective_target_ilp32: returning $et_ilp32_saved" 2
- return $et_ilp32_saved
+ 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.
-#
-# When the target name changes, replace the cached result.
proc check_effective_target_lp64 { } {
- global et_lp64_saved
- global et_lp64_target_name
+ return [check_no_compiler_messages lp64 object {
+ int dummy[sizeof (int) == 4
+ && sizeof (void *) == 8
+ && sizeof (long) == 8 ? 1 : -1];
+ }]
+}
- if { ![info exists et_lp64_target_name] } {
- set et_lp64_target_name ""
- }
+# Return 1 if the target supports compiling decimal floating point,
+# 0 otherwise.
- # 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
+proc check_effective_target_dfp_nocache { } {
+ verbose "check_effective_target_dfp_nocache: compiling source" 2
+ set ret [string match "" [get_compiler_messages dfp 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.
+#
+# This won't change for different subtargets so cache the result.
+
+proc check_effective_target_vect_cmdline_needed { } {
+ global et_vect_cmdline_needed_saved
- if [info exists et_lp64_saved] {
- verbose "check_effective_target_lp64: using cached result" 2
+ if [info exists et_vect_cmdline_needed_saved] {
+ verbose "check_effective_target_vect_cmdline_needed: 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];
- }]]
+ set et_vect_cmdline_needed_saved 1
+ if { [istarget ia64-*-*]
+ || [istarget x86_64-*-*] } {
+ set et_vect_cmdline_needed_saved 0
+ }
}
- verbose "check_effective_target_lp64: returning $et_lp64_saved" 2
- return $et_lp64_saved
+
+ 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.
return $et_arm32_saved
}
+# 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 the target supports hardware vector shift operation.
proc check_effective_target_vect_shift { } {
- if { [istarget powerpc*-*-*] } {
- set answer 1
+ global et_vect_shift_saved
+
+ if [info exists et_vect_shift_saved] {
+ verbose "check_effective_target_vect_shift: using cached result" 2
} else {
- set answer 0
+ set et_vect_shift_saved 0
+ if { [istarget powerpc*-*-*]
+ || [istarget ia64-*-*]
+ || [istarget i?86-*-*]
+ || [istarget x86_64-*-*] } {
+ set et_vect_shift_saved 1
+ }
}
- verbose "check_effective_target_vect_shift: returning $answer" 2
- return $answer
+ 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.
}
# Return 1 if the target plus current options does not support a vector
-# max instruction, 0 otherwise.
+# max instruction on "int", 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
+proc check_effective_target_vect_no_int_max { } {
+ global et_vect_no_int_max_saved
- if [info exists et_vect_no_max_saved] {
- verbose "check_effective_target_vect_no_max: using cached result" 2
+ 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_max_saved 0
- if { [istarget i?86-*-*]
- || [istarget x86_64-*-*]
- || [istarget sparc*-*-*]
+ set et_vect_no_int_max_saved 0
+ if { [istarget sparc*-*-*]
|| [istarget alpha*-*-*] } {
- set et_vect_no_max_saved 1
+ 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_max: returning $et_vect_no_max_saved" 2
- return $et_vect_no_max_saved
+ 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
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.
#
proc check_effective_target_vect_condition { } {
global et_vect_cond_saved
- if [info exists et_vect_int_cond] {
+ if [info exists et_vect_cond_saved] {
verbose "check_effective_target_vect_cond: using cached result" 2
} else {
set et_vect_cond_saved 0
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 { } {
|| [istarget i?86-*-*]
|| [istarget x86_64-*-*]
|| [istarget alpha*-*-*]
- || [istarget powerpc*-*-*] } {
+ || [istarget s390*-*-*]
+ || [istarget powerpc*-*-*]
+ || [istarget sparc64-*-*]
+ || [istarget sparcv9-*-*] } {
set et_sync_int_long_saved 1
}
}
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
+}
+
# 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
}
}
}
+
+# 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];
+ }]
+}
+
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