}]
}
+# Return 1 if the target supports executing 64-bit instructions, 0
+# otherwise. Cache the result.
+
+proc check_effective_target_powerpc64 { } {
+ global powerpc64_available_saved
+ global tool
+
+ if [info exists powerpc64_available_saved] {
+ verbose "check_effective_target_powerpc64 returning saved $powerpc64_available_saved" 2
+ } else {
+ set powerpc64_available_saved 0
+
+ # Some simulators are known to not support powerpc64 instructions.
+ if { [istarget powerpc-*-eabi*] || [istarget powerpc-ibm-aix*] } {
+ verbose "check_effective_target_powerpc64 returning 0" 2
+ return $powerpc64_available_saved
+ }
+
+ # Set up, compile, and execute a test program containing a 64-bit
+ # instruction. Include the current process ID in the file
+ # names to prevent conflicts with invocations for multiple
+ # testsuites.
+ set src ppc[pid].c
+ set exe ppc[pid].x
+
+ set f [open $src "w"]
+ puts $f "int main() {"
+ puts $f "#ifdef __MACH__"
+ puts $f " asm volatile (\"extsw r0,r0\");"
+ puts $f "#else"
+ puts $f " asm volatile (\"extsw 0,0\");"
+ puts $f "#endif"
+ puts $f " return 0; }"
+ close $f
+
+ set opts "additional_flags=-mcpu=G5"
+
+ verbose "check_effective_target_powerpc64 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 $exe
+ verbose "check_effective_target_powerpc64 testfile status is <$status>" 2
+
+ if { $status == "pass" } then {
+ set powerpc64_available_saved 1
+ }
+ } else {
+ verbose "check_effective_target_powerpc64 testfile compilation failed" 2
+ }
+ }
+
+ return $powerpc64_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