1 files changed, 5 insertions, 1 deletions

diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h
index 19ace2e37789..f2797896e6d5 100644
--- a/arch/arm/vfp/vfp.h
+++ b/arch/arm/vfp/vfp.h
@@ -357,10 +357,14 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
 #define VFP_EXCEPTION_ERROR     ((u32)-1 & ~VFP_NAN_FLAG)
 
 /*
- * A flag to tell vfp instruction type
+ * A flag to tell vfp instruction type.
+ *  OP_SCALAR - this operation always operates in scalar mode
+ *  OP_SD - the instruction exceptionally writes to a single precision result.
+ *  OP_DD - the instruction exceptionally writes to a double precision result.
  */
 #define OP_SCALAR       (1 << 0)
 #define OP_SD           (1 << 1)
+#define OP_DD           (1 << 1)
 
 struct op {
         u32 (* const fn)(int dd, int dn, int dm, u32 fpscr);