[AArch64] Define subtarget feature strict-align.

[oota-llvm.git] / lib / Target / AArch64 / AArch64Subtarget.h

diff --git a/lib/Target/AArch64/AArch64Subtarget.h b/lib/Target/AArch64/AArch64Subtarget.h
index 19334c29c7b86300179ffa9a5ed2984ebc15a189..6b5ca20f03399e46a514052bbbba738b41cbdb2e 100644 (file)
--- a/lib/Target/AArch64/AArch64Subtarget.h
+++ b/lib/Target/AArch64/AArch64Subtarget.h
@@ -51,6 +51,9 @@ protected:
   // HasZeroCycleZeroing - Has zero-cycle zeroing instructions.
   bool HasZeroCycleZeroing;
 
+  // StrictAlign - Disallow unaligned memory accesses.
+  bool StrictAlign;
+
   // ReserveX18 - X18 is not available as a general purpose register.
   bool ReserveX18;
 
@@ -104,6 +107,8 @@ public:
 
   bool hasZeroCycleZeroing() const { return HasZeroCycleZeroing; }
 
+  bool requiresStrictAlign() const { return StrictAlign; }
+
   bool isX18Reserved() const { return ReserveX18; }
   bool hasFPARMv8() const { return HasFPARMv8; }
   bool hasNEON() const { return HasNEON; }