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authorpatrick <patrick@openbsd.org>2017-12-26 20:59:44 +0000
committerpatrick <patrick@openbsd.org>2017-12-26 20:59:44 +0000
commitc72a1c0960669bfd1eb87723f902bc05ee727707 (patch)
tree46e715b14e68651d2b18adda557278098e9bb0d4 /lib/libcompiler_rt/atomic.c
parentCherry-pick a change from LLVM that marks specific pseudo memory (diff)
downloadwireguard-openbsd-c72a1c0960669bfd1eb87723f902bc05ee727707.tar.xz
wireguard-openbsd-c72a1c0960669bfd1eb87723f902bc05ee727707.zip
Update to compiler-rt 5.0.1.
ok kettenis@
Diffstat (limited to 'lib/libcompiler_rt/atomic.c')
-rw-r--r--lib/libcompiler_rt/atomic.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/libcompiler_rt/atomic.c b/lib/libcompiler_rt/atomic.c
index f1ddc3e0c52..ee35e342eda 100644
--- a/lib/libcompiler_rt/atomic.c
+++ b/lib/libcompiler_rt/atomic.c
@@ -229,13 +229,20 @@ void __atomic_exchange_c(int size, void *ptr, void *val, void *old, int model) {
// Where the size is known at compile time, the compiler may emit calls to
// specialised versions of the above functions.
////////////////////////////////////////////////////////////////////////////////
+#ifdef __SIZEOF_INT128__
#define OPTIMISED_CASES\
OPTIMISED_CASE(1, IS_LOCK_FREE_1, uint8_t)\
OPTIMISED_CASE(2, IS_LOCK_FREE_2, uint16_t)\
OPTIMISED_CASE(4, IS_LOCK_FREE_4, uint32_t)\
OPTIMISED_CASE(8, IS_LOCK_FREE_8, uint64_t)\
- /* FIXME: __uint128_t isn't available on 32 bit platforms.
- OPTIMISED_CASE(16, IS_LOCK_FREE_16, __uint128_t)*/\
+ OPTIMISED_CASE(16, IS_LOCK_FREE_16, __uint128_t)
+#else
+#define OPTIMISED_CASES\
+ OPTIMISED_CASE(1, IS_LOCK_FREE_1, uint8_t)\
+ OPTIMISED_CASE(2, IS_LOCK_FREE_2, uint16_t)\
+ OPTIMISED_CASE(4, IS_LOCK_FREE_4, uint32_t)\
+ OPTIMISED_CASE(8, IS_LOCK_FREE_8, uint64_t)
+#endif
#define OPTIMISED_CASE(n, lockfree, type)\
type __atomic_load_##n(type *src, int model) {\