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-rw-r--r--src/zlib-ng/cpu_features.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/zlib-ng/cpu_features.c b/src/zlib-ng/cpu_features.c
new file mode 100644
index 0000000..b5e7257
--- /dev/null
+++ b/src/zlib-ng/cpu_features.c
@@ -0,0 +1,24 @@
+/* cpu_features.c -- CPU architecture feature check
+ * Copyright (C) 2017 Hans Kristian Rosbach
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#include "zbuild.h"
+
+#include "cpu_features.h"
+
+Z_INTERNAL void cpu_check_features(void) {
+ static int features_checked = 0;
+ if (features_checked)
+ return;
+#if defined(X86_FEATURES)
+ x86_check_features();
+#elif defined(ARM_FEATURES)
+ arm_check_features();
+#elif defined(PPC_FEATURES) || defined(POWER_FEATURES)
+ power_check_features();
+#elif defined(S390_FEATURES)
+ PREFIX(s390_check_features)();
+#endif
+ features_checked = 1;
+}