-# 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
global target_triplet
# On NetWare, support makes no sense.
- if { [string match "*-*-netware*" $target_triplet] } {
+ if { [istarget *-*-netware*] } {
return 0
}
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
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 { } {
+ global et_default_packed_saved
+ global et_default_packed_target_name
+
+ if { ![info exists et_default_packed_target_name] } {
+ set et_default_packed_target_name ""
+ }
+
+ # If the target has changed since we set the cached value, clear it.
+ set current_target [current_target_name]
+ if { $current_target != $et_default_packed_target_name } {
+ verbose "check_effective_target_default_packed: `$et_default_packed_target_name'" 2
+ set et_default_packed_target_name $current_target
+ if [info exists et_default_packed_saved] {
+ verbose "check_effective_target_default_packed: removing cached result" 2
+ unset et_default_packed_saved
+ }
+ }
+
+ if [info exists et_default_packed_saved] {
+ verbose "check_effective_target_default_packed: using cached result" 2
+ } else {
+ verbose "check_effective_target_default_packed: compiling source" 2
+
+ set et_default_packed_saved \
+ [string match "" [get_compiler_messages default_packed assembly {
+ struct x { char a; long b; } c;
+ int s[sizeof (c) == sizeof (char) + sizeof (long) ? 1 : -1];
+ } ]]
+
+ }
+ verbose "check_effective_target_default_packed: returning $et_default_packed_saved" 2
+ return $et_default_packed_saved
+}
+
+# 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 { } {
+ global et_pcc_bitfield_type_matters_saved
+ global et_pcc_bitfield_type_matters_target_name
+
+ if { ![info exists et_pcc_bitfield_type_matters_target_name] } {
+ set et_pcc_bitfield_type_matters_target_name ""
+ }
+
+ # If the target has changed since we set the cached value, clear it.
+ set current_target [current_target_name]
+ if { $current_target != $et_pcc_bitfield_type_matters_target_name } {
+ verbose "check_effective_target_pcc_bitfield_type_matters: `$et_pcc_bitfield_type_matters_target_name'" 2
+ set et_pcc_bitfield_type_matters_target_name $current_target
+ if [info exists et_pcc_bitfield_type_matters_saved] {
+ verbose "check_effective_target_pcc_bitfield_type_matters: removing cached result" 2
+ unset et_pcc_bitfield_type_matters_saved
+ }
+ }
+
+ if [info exists et_pcc_bitfield_type_matters_saved] {
+ verbose "check_effective_target_pcc_bitfield_type_matters: using cached result" 2
+ } else {
+ verbose "check_effective_target_pcc_bitfield_type_matters: compiling source" 2
+
+ # PCC_BITFIELD_TYPE_MATTERS isn't just about unnamed or empty
+ # bitfields, but let's stick to the example code from the docs.
+ set et_pcc_bitfield_type_matters_saved \
+ [string match "" [get_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];
+ } ]]
+ }
+ verbose "check_effective_target_pcc_bitfield_type_matters: returning $et_pcc_bitfield_type_matters_saved" 2
+ return $et_pcc_bitfield_type_matters_saved
+}
+
+# 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
+
+ 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 \
+ [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
+
+ 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 \
+ [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 -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 $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
# otherwise. Cache the result.
return $et_lp64_saved
}
+# 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 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.
#
# 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, 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
|| [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
}
}
if { [istarget ia64-*-*]
|| [istarget i?86-*-*]
|| [istarget x86_64-*-*]
- || [istarget powerpc*-*-*] } {
+ || [istarget alpha*-*-*]
+ || [istarget s390*-*-*]
+ || [istarget powerpc*-*-*]
+ || [istarget sparc64-*-*]
+ || [istarget sparcv9-*-*] } {
set et_sync_char_short_saved 1
}
}
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