improve ARM feature detection

[pcsx_rearmed.git] / include / arm_features.h

diff --git a/include/arm_features.h b/include/arm_features.h
new file mode 100644 (file)
index 0000000..dcdda91
--- /dev/null
+++ b/include/arm_features.h
@@ -0,0 +1,28 @@
+#ifndef __ARM_FEATURES_H__
+#define __ARM_FEATURES_H__
+
+#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
+ || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
+ || defined(__ARM_ARCH_7EM__)
+
+#define HAVE_ARMV7
+#define HAVE_ARMV6
+#define HAVE_ARMV5
+
+#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
+   || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \
+   || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__)
+
+#define HAVE_ARMV6
+#define HAVE_ARMV5
+
+#elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5E__) \
+   || defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__)
+
+#define HAVE_ARMV5
+
+#endif
+
+/* no need for HAVE_NEON - GCC defines __ARM_NEON__ consistently */
+
+#endif /* __ARM_FEATURES_H__ */