diff options
Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/lse_atomics/sysauxv.inc')
| -rw-r--r-- | contrib/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/lse_atomics/sysauxv.inc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/lse_atomics/sysauxv.inc b/contrib/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/lse_atomics/sysauxv.inc new file mode 100644 index 000000000000..6642c1f5b60b --- /dev/null +++ b/contrib/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/lse_atomics/sysauxv.inc @@ -0,0 +1,6 @@ +#include <sys/auxv.h> + +static void CONSTRUCTOR_ATTRIBUTE init_have_lse_atomics(void) { + unsigned long hwcap = getauxval(AT_HWCAP); + __aarch64_have_lse_atomics = (hwcap & HWCAP_ATOMICS) != 0; +} |