1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/config/aarch64/aarch64-protos.h b/gcc/config/aarch64/aarch64-protos.h
index 46bade28ed6..c6f13ee836c 100644
--- a/gcc/config/aarch64/aarch64-protos.h
+++ b/gcc/config/aarch64/aarch64-protos.h
@@ -746,6 +746,19 @@ const unsigned int AARCH64_BUILTIN_SHIFT = 1;
 /* Mask that selects the aarch64_builtin_class part of a function code.  */
 const unsigned int AARCH64_BUILTIN_CLASS = (1 << AARCH64_BUILTIN_SHIFT) - 1;
 
+/* RAII class for enabling enough features to define built-in types
+   and implement the arm_neon.h pragma.  */
+class aarch64_simd_switcher
+{
+public:
+  aarch64_simd_switcher (unsigned int extra_flags = 0);
+  ~aarch64_simd_switcher ();
+
+private:
+  unsigned long m_old_isa_flags;
+  bool m_old_general_regs_only;
+};
+
 void aarch64_post_cfi_startproc (void);
 poly_int64 aarch64_initial_elimination_offset (unsigned, unsigned);
 int aarch64_get_condition_code (rtx);