Resending as the previous attempt went missing...
2013-10-04 Michael Hudson-Doyle <michael.hud...@linaro.org>
* libatomic/configure.tgt (aarch64*): Remove code preventing
build.
* gcc/testsuite/lib/target-supports.exp
(check_effective_target_sync_long_long): AArch64 supports
atomic operations on "long long".
(check_effective_target_sync_long_long_runtime): AArch64 can
execute atomic operations on "long long".
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 7eb4dfe..5557c06 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -4508,6 +4508,7 @@ proc check_effective_target_sync_int_128_runtime { } {
proc check_effective_target_sync_long_long { } {
if { [istarget x86_64-*-*]
|| [istarget i?86-*-*])
+ || [istarget aarch64*-*-*]
|| [istarget arm*-*-*]
|| [istarget alpha*-*-*]
|| ([istarget sparc*-*-*] && [check_effective_target_lp64]) } {
@@ -4537,6 +4538,8 @@ proc check_effective_target_sync_long_long_runtime { } {
}
} ""
}]
+ } elseif { [istarget aarch64*-*-*] } {
+ return 1
} elseif { [istarget arm*-*-linux-*] } {
return [check_runtime sync_longlong_runtime {
#include <stdlib.h>
diff --git a/libatomic/configure.tgt b/libatomic/configure.tgt
index b9e5d6c..7eaab38 100644
--- a/libatomic/configure.tgt
+++ b/libatomic/configure.tgt
@@ -95,11 +95,6 @@ fi
# Other system configury
case "${target}" in
- aarch64*)
- # This is currently not supported in AArch64.
- UNSUPPORTED=1
- ;;
-
arm*-*-linux*)
# OS support for atomic primitives.
config_path="${config_path} linux/arm posix"
